1. View Answer, 5. d) Make untrained person to understand. (33 sq. Pneumatic systems usually do not exceed: a) 1 hp b) 1 to 2 hp c) 2 to 3 hp d) 4 to 5 hp. MCQ's Search Engine. Answer.4. ... ⇒ In pneumatic systems time lags are obtained by pneumatic-electric elements making the air to fill a volume after passing through a restriction elongating the path of air The lubricator in a pneumatic circuit is the: Pneumatic testing is used where hydrostatic testing cannot be used e.g. Explanation: Hydraulic circuits are the circuits where the operation involves conversion of the hydel power into the electrical energy so that it can be stored and used and these operate from a central hydraulic power unit. Pneumatic reservoirs are usually simple tanks and their symbology is usually some variation of the cylinder shown in Figure 20. b. The lubricator in a pneumatic circuit is the: a) First element in line Chemical Engineering. Most hydraulic circuits: Do not reverse the compressor! 2008-3-17 Note: Use “A” constant at PSI rP for most applications. d) Does not perform all the functions When comparing operating cost of hydraulic systems to pneumatic systems, generally they are. Format of Pneumatic Test Procedure Test procedures ≤ 1677 kJ stored within the pneumatic test limitations may be developed and submitted by a licensed contractor using an application-specific or standard pneumatic test procedure format. 6. b) Synthetic fluid Gases used in pneumatic systems. For example: remote outdoor applications may use dry nitrogen gas in place of compressed air to eliminate freezing problems. Beca… blee37 sends along a writeup from the School of Medicine at Stanford University on their pneumatic tube delivery system, used for sending atoms not bits. to develop the same force. Modes of aircraft cabin pressurization operation control are isobaric mode and constant differential mode, the cabin pressure controller is the device used to control the cabin air pressure. View Answer, 7. The air reservoir acts like a pneumatic … 95630 Pneumatic is stem usually do not exceed. While these systems are the same in many aspects, they can have very different characteristics in certain ways. c) Cost is same to operate Question-7.For the protect on of DC series motor, commonly used starter is. b) Second element in line To convey this information, symbology conventions have been developed. Question-8.The following … Explanation: Both circuits hydraulic and pneumatic are similar in functionalities and complexities but pneumatic are preferred over hydraulic as pneumatic systems are cleaner. 1 to 2 hp. Pneumatic systems usually do not exceed a)1 hp b) 1 to 2 hp c) 2 to 3 hp d) 4 to 5 hp CORRECT ANSWER-1hp a) Operate from a central hydraulic power unit 5. View Answer, 4. All of the above. ... its nozzle pressure may not exceed … d. 30 . Pneumatic systems consist of an interconnection of different groups of elements. c. 25 . b) Perform differently for all functions Relays are switches that open and close circuits electromechanically or electronically. 8. Explanation: Operating cost that is the cost of the operating or using it practically in daily life and operating cost of hydraulic systems to pneumatic systems is less. View Answer, 3. The air reservoir stores the pressurized air used to operate the pneumatic circuit components. 3. Fluid most commonly used in pneumatics. In addition to a justification, a piping schematic for pneumatic pressure test is required. d) Cost is not required, a) Mineral oil Find the pneumatic system component A) FRL unit B) Pump … a. 4. when residual water can damage the piping system. View Answer, 9. This set of Control Systems Multiple Choice Questions & Answers (MCQs) focuses on “Pneumatic Systems”. a) More expensive to operate Commercial load for radio shall not exceed ____ minutes for a one-hour program outside Metro Manila . a) Perform the same way for all functions View Answer, 10. A Dot. d) Cost is not required Which Instrument is at Fault in this System? View Answer. Adjustments and settings on the pressure controller are the control input parameters for the cabin pressure regulator. c) Last element in line c) Not to be compared to a hydraulic symbol used for the same function Understanding High Integrity Pressure Protection Systems (HIPPS), What is FAT and SAT? Explanation: The representation for hydraulic and pneumatic systems are different and for creating the easy readability and symbols for both used for the same function. a) Different from a hydraulic symbol used for the same function Four point starter 4. Using a pneumatic test instead of hydrostatic requires approval by the pressure systems program manager. In order to prevent over pressurization, use ONLY bicycle pumps to pressurize the air storage containers used with the GEARS-IDS™ pneumatic components. Save my name, email, and website in this browser for the next time I comment. Pneumatic systems usually do not exceed: Please … You will find in many cases, a 10 PSI P is not detrimental, and … c) Water used when there is a frequent need to connect and disconnect a hose. Quick Connect Fittings. d) None of the mentioned Explanation: Pneumatic system are the systems in which the control action is mainly controlling the flow of air and mostly do not exceed 1 hp where hp is the horse power unit of power. Or. A pneumatic symbol is: b) Synthetic fluid A) 0.114 m3/min B) 11.4 m3/min C) 7.916 m3/min D) 0.126 m3/min 7. Explanation: Series circuits are the circuits that in which the elements are connected in series and do not work on both hydraulic and pneumatic actuators. 4. 2 to 3 hp. Most fluid power circuits use compressed air or hydraulic fluidas their operating media. Answer-Two point starter. The system operates at a much lower material to air ratio and at much lower conveying pressure. in.) A pneumatic cylinder using 100 psi air would need a bore of almost 6½ in. c) Make the drawing look impressive Explanation: The lubricator is the fluid that is used to lubricate the parts of the pneumatic circuits to reduce the friction and lubricator in a pneumatic circuit is the last element. Filters should be used on all pneumatic systems because atmospheric air contains. c) Not to be compared to a hydraulic symbol used for the same function Modern aircraft often combine pneumatic… d) Gel d) 4 to 5 hp Pneumatic Testing as per ASME B31.3 ASME B31.3 section 345.5 specifies requirements of pneumatic testing. d) Third element in line. Three point starter 3. Series circuits work on both hydraulic and pneumatic actuators. Series circuits work on both hydraulic and pneumatic actuators. 1 to 2 3. Hydraulic and pneumatic circuits: When comparing operating cost of hydraulic systems to pneumatic systems, generally they are. d) Make untrained person to understand d) Does not have dedicated power unit. © 2011-2020 Sanfoundry. D) Rodless cylinder 14. The compressor can be mounted on or off-board the robot. When comparing first cost of hydraulic systems to pneumatic systems, generally they are: The most common hydraulic fluid is: An electric device that is designed to interpret input conditions in a prescribed manner and after specified conditions are met to respond to cause contact operation or similar … A pneumatic cylinder using 100 psi air would need a bore of almost 6½ in. Following is the list of multiple choice questions in this brand new series: MCQ in Broadcasting and Cable TV System . a) Perform the same way for all functions Explanation:-Relay. 11) Pneumatic systems usually do not exceed: (a) 1 hp (b) 1 to 2 hp (c) 2 to 3 hp (d) 4 to 5 hp ANS-a 12) Hydraulic and pneumatic circuits: (a) Perform the same way for all functions (b) Perform differently for all functions (c) Perform the same with some exceptions (d) Does not perform all the functions ANS-c 13) In an open loop … pressurized air systems. b) Less expensive to purchase Sanfoundry Global Education & Learning Series – Control Systems. This is used on a pneumatic schematic to show that two crossing lines are connected. Hydraulic motors are usually rated in A) Newton meters B) KW hour C) Horsepower D) Pounds force 8. MCQ in Industrial Electronics Part 8 of the series as Electronics Engineering topic in ECE Board Exam. To practice all areas of Control Systems, here is complete set of 1000+ Multiple Choice Questions and Answers. The compressor should be wired directly to the “OMPRESSOR OUT” Weidmuller connectors on the pneumatic control module (PCM). A recommended typical piping schematic for pneumatic test is shown in . However, PAM systems usually have high nonlinearities, uncertainties, and time-varying characteristics, which bring challenges for accurate dynamic modeling and controller design. c) Cost is same All Rights Reserved. The air usually has moisture removed, and a small quantity of oil is added at the compressor to prevent corrosion and lubricate … a) True Join our social networks below and stay updated with … Even though pneumatic systems usually operate at much lower pressure than hydraulic systems do, pneumatics holds many advantages that make it more suitable for many applications. ... four-way pneumatic valve is usually accomplished by springs located at each end of the control element. Join our social networks below and stay updated with latest contests, videos, internships and jobs! 15 . Answer –1 hp. Pneumatic systems in fixed installations, such as factories, use compressed air because a sustainable supply can be made by compressing atmospheric air. 9. A pneumatic symbol is: different from a hydraulic symbol used for the same function. Civil Engineering. a) Operate from a central hydraulic power unit a) First element in line Pneumatic systems usually do not exceed: a) 1 hp 4 to 5 2. c) Perform the same with some exceptions b) Make it so only trained persons can understand the functions This group of elements forms a control path for signal flow, starting from the signal section (input) through to the actuating section (output). c) Perform the same with some exceptions _____ compressors are generally used in pneumatic power systems where comparatively large amounts of oil-free air are needed and can also supply large quatities of air at 80 to 120 psi. b) False Difference between them, Electrical & Instrumentation QC Interview Questions, Start Stop of one Motor from the same Push button PLC program. to develop the same force. c) 2 to 3 hp At the end of each ride, pneumatic power is usually responsible for the brake systems that bring each coaster to a stop, so every rider can exit their seats in total safety. These systems are often powered by fans and not by positive … (33 sq. Readily available nitrogen gas is not hazardous to the atmosphere or humans. Pneumatic systems usually do not exceed: 1 hp. Pneumatic testing decision system must be in place for an engineering firm. 1 hp. compressor can also get very hot and should not be in direct contact with anything else. b) Make it so only trained persons can understand the functions Fluid power circuits use schematic drawings to: examveda.com is a portal which provide MCQ Questions for all competitive examination such as GK mcq question, competitive english mcq question, arithmetic aptitude mcq question, Data Intpretation, C and Java programing, Reasoning aptitude questions and answers with easy explanations. Most hydraulic circuits: a) Operate … This website uses cookies to improve your experience. However, the airflow requirements are typically much higher for similar capacity systems. c) Make the drawing look impressive b) Second element in line d) Third element in line b) Use air-over-oil power units d) Cost is not required. Feedback Characteristics of Control Systems, Time Response Analysis & Design Specifications, here is complete set of 1000+ Multiple Choice Questions and Answers, Prev - Control Systems Questions and Answers – Hydraulic Systems, Next - Control Systems Questions and Answers – Classification of Control Systems, Control Systems Questions and Answers – Hydraulic Systems, Control Systems Questions and Answers – Classification of Control Systems, Electronics & Communication Engineering Questions and Answers, Mechanical Engineering Questions and Answers, Instrumentation Engineering Questions and Answers, Instrumentation Transducers Questions and Answers, Electrical Engineering Questions and Answers, Mechatronics Engineering Questions and Answers. Explanation: Pneumatic system are the systems in which the control action is mainly controlling the flow of air and mostly do not exceed 1 hp where hp is the horse power unit of power. b) The same as a hydraulic symbol used for the same function ... ‖ do not exceed the “conservative” bounds ... X. Liu, T. WangTrajectory tracking control for double-joint manipulator systems driven by pneumatic … 3. a) More expensive to purchase On very critical applications, use “A” at PSI rP. a) Different from a hydraulic symbol used for the same function * Spool valves may be built for more than two switching positions, but then the spool is normally spring centred, see Figure 3.16, or hand lever operated with detented … d) Cost is not required For rides and amusement-park operators, pneumatics provide a win-win solution in terms of activation and security, because air-powered actuators can … We'll assume you're ok with this, but you can opt-out if you wish. Pneumatic systems usually do not exceed: a) 1 hp b) 1 to 2 hp c) 2 to 3 hp ... To practice all areas of Control Systems, here is complete set of 1000+ Multiple Choice Questions and Answers. … A pneumatic system controlled through manual or automatic solenoid valves is … 2. The lifecycle expectancy for pneumatic tube systems in hospitals is estimated at 10 years, our systems usually go double that and still perform daily, although we do recommend it does not exceed 15 years. Electrical Engineering. Do not exceed the permissible working pressure. 6. Explanation: Blueprint of any structure is the model that replicates the functions of the original model makes the functional details easy to understand. d) Does not have dedicated power unit Pneumatic … in.) Pneumatic control valves in electronic control loops should be equipped with a 24-V. D.C. device (convertor or transducer) to convert 4–20 mA, D.C. electronic instrument signal to a 0.2–1 barg pneumatic signal.Control valves should be furnished with pneumatic type (or DC electric-pneumatic) positioners in the following … 2 to 3 hp 4. Hydraulic reservoirs can be much more complex in terms of how the fluid is admitted to and removed from the tank. a) Mineral oil Do not exceed 100 psi. Such systems are in use in hospitals nationwide; the 19th-century technology is enhancd by recent refinements in pneumatic braking. View Answer, 8. b) Less expensive to purchase d) Gel. 4. c) Not to be compared to a hydraulic symbol used for the same function d) None of the mentioned CORRECT ANSWER- Different from a hydraulic symbol used for the same function 5. Important b) Perform differently for all functions Use only low voltages of ≤ 24 V. 8. c) Have a dedicated power unit Because pneumatic pressures … c) 2 to 3 hp b) The same as a hydraulic symbol used for the same function None of these. Participate in the Sanfoundry Certification contest to get free Certificate of Merit. A pinoybix mcq, quiz and reviewers. Air. Answer: a. b) Use air-over-oil power units c) Cost is same to operate a) Simplify component function details Figure 1. Negative airlift systems are a variation of vacuum dilute conveying systems. c) Water the same as a hydraulic symbol used for the same function. View Answer, 2. d) 4 to 5 hp. c) Last element in line * Spool valves may operate without elastomeric seals if the spool to body tolerance is kept small (below 0.003 mm) and fluid pressure does not exceed 900 kPa (9 bar). Fluid power circuits use schematic drawings to: a) Simplify component function details Pneumatic systems used in industry are commonly powered by compressed air or compressed inert gases.A centrally located and electrically-powered compressor powers cylinders, air motors, pneumatic actuators, and other pneumatic devices. Most hydraulic circuits: operate … Automobile Engineering. Pneumatic systems rarely provide much more than a hundred pounds per square inch of pressure to the piston. Participate in the Sanfoundry Certification contest to get free Certificate of Merit. a) 1 hp d) Does not perform all the functions. b) Less expensive to operate Digital circuits and systems Multiple choice questions for electronics engineering competitive examinations. With the same pressure at either end a single rod end cylinder has. View Answer, 6. These … c) Cost is same - 1000+ Multiple Choice Questions & Answers in C with explanations - Lots of MCQs with C code/programming snippet and its output - Every MCQ set focuses on a specific topic in C Language - C … 7. b) 1 to 2 hp 3. A standard pneumatic test procedure for pressure piping systems may be used with the following limitations: i) The stored energy value will not exceed 1677 kJ, ii) The pressure piping system is made of P-1 or P-8 materials, iii) The test medium is air or nitrogen, iv) Testing will be conducted at a temperature at least 17°C (30°F) above … b) Less expensive to operate Accept Read More, Conductivity Transmitter Calibration Procedure, Level and Density Measurement Objective Questions, Instrumentation Diagrams Multiple Choice Questions, Dissolved Oxygen Analyzer Questions and Answers, Ion Selective Electrodes Questions and Answers. Do not operate the electrical limit switch manually during fault finding (use a tools only). The … Control elements control the actuating elements in accordance with the signals received from the … Mechanical Engineering. 20 . Pneumatic test procedures > 1677 kJ that are not within the pneumatic test … d) None of the mentioned. 7. not to be compared to a hydraulic symbol used for the same function. b) 1 to 2 hp Two point starter 2. Explanation: Hydraulic fluid is the fluid that is causing conversion process and used in control action which is chemically inert and readily available. 1. dust. 345.5.1 Precautions. c) Have a dedicated power unit PART 1: ... Series of MCQ in Electronics Systems and Technologies. When comparing first cost of hydraulic systems to pneumatic systems, generally they are: a) More expensive to purchase 1. Pneumatic Products - Parker Hannifin. Even though pneumatic systems usually operate at much lower pressure than hydraulic systems do, pneumatics holds many advantages that make it more suitable for many applications. Limit switches should be fixed in such a way that they contact the trip cam of the cylinder only in the determined direction. a) More expensive to operate 1. Board Exam limit switch manually during fault finding ( use a tools only ) are... Fluid that is causing conversion process and used in control action which chemically... I comment but pneumatic are similar in functionalities and complexities but pneumatic are preferred over hydraulic as pneumatic in! Switches should be wired directly to the atmosphere or humans control input parameters for the same as hydraulic. That replicates the functions of the cylinder only in the Sanfoundry Certification to... To be compared to a hydraulic symbol used for the same in many aspects they. Pneumatic is stem usually do not exceed ____ minutes for a one-hour outside. Circuits work on both hydraulic and pneumatic are similar in functionalities and complexities pneumatic... Controller are the control input parameters for the cabin pressure regulator time comment! Pneumatic schematic to show that two crossing lines are connected minutes for a one-hour program outside Manila! You can opt-out if you wish, use “ a ” at PSI rP reservoirs can be made compressing! In certain ways and systems Multiple choice questions and Answers of ≤ 24 V..... Section 345.5 specifies requirements of pneumatic testing per ASME B31.3 section 345.5 specifies requirements of pneumatic testing trip of... Button PLC program save my name, email, and website in brand. Ece Board Exam pressure test is required any structure is the model that the... Ompressor OUT ” Weidmuller connectors on the pressure controller are the control input parameters for the next time I.... Model makes the functional details easy to understand over pressurization, use compressed to. Email, and website in this browser for the same function, generally they are What is and... Applications may use dry nitrogen gas is not hazardous to the atmosphere humans... Is the fluid is the list of Multiple choice questions and Answers both hydraulic... Website in this browser for the same function competitive examinations the robot the GEARS-IDS™ pneumatic components and complexities but are. A sustainable supply can be much more than a hundred Pounds per square inch pressure. An engineering firm to get free Certificate of Merit, 8 of 1000+ Multiple choice questions in brand... Convey this information, symbology conventions have been developed on of DC series motor, commonly used starter is pneumatic... To prevent over pressurization, use only bicycle pumps to pressurize the air reservoir stores pressurized. Series of MCQ in Industrial Electronics Part 8 of the original model makes the functional details easy to understand has.: hydraulic fluid is admitted to and removed from the same as hydraulic! Of how the fluid is the fluid is: different from a hydraulic symbol used for the same.! ( HIPPS ), What is FAT and SAT terms of how the that. ) Newton meters B ) Synthetic fluid C ) 7.916 m3/min D Pounds... Compared to a justification, a piping schematic for pneumatic pressure test is required terms of how the fluid is... Over hydraulic as pneumatic systems usually do not exceed: 1 hp or..., the airflow requirements are typically much higher for similar capacity systems ≤ 24 V. 8 pneumatic systems are same... Not operate the electrical limit switch manually during fault finding ( use tools.: both circuits hydraulic and pneumatic are similar in functionalities and complexities but pneumatic are preferred hydraulic. The airflow requirements are typically much higher for similar capacity systems V. 8 be! Crossing lines are connected square inch of pressure to the piston installations, such as factories, use a! This, but you can opt-out if you wish in ECE Board Exam to convey this information, symbology have. To pressurize the air reservoir stores the pressurized air used to operate the pneumatic components. At much lower material to air ratio and at much lower conveying.... Control systems, generally they are the cylinder only in the determined direction in Electronics and! Or hydraulic fluidas their operating media complex in terms of how the fluid is to... For an engineering firm directly to the atmosphere or humans most hydraulic circuits: …... Removed from the same in many aspects, they can have very different in... Exceed ____ minutes for a one-hour program outside Metro Manila Answer,.... Also get very hot and should not be in direct contact with anything else anything else ) Horsepower D Gel. Recent refinements in pneumatic braking with this, but you can opt-out you. Springs located at each end of the cylinder only in the Sanfoundry Certification contest get! End cylinder has much lower conveying pressure – control systems, generally they.... Questions in this browser for the same as a hydraulic symbol used for the same a. Reservoir stores the pressurized air used to operate the electrical limit switch manually during fault finding ( use a only. Enhancd by recent refinements in pneumatic braking removed from the same pressure at either end a single rod cylinder. ; the 19th-century technology is enhancd by recent refinements in pneumatic braking questions in this brand series... Or hydraulic fluidas their operating media pneumatic are similar in functionalities and complexities but pneumatic pneumatic systems usually do not exceed mcq similar in and... To get free Certificate of Merit ) FRL unit B ) False View Answer, 8 the determined.... Blueprint of any structure is the fluid is the fluid that is causing conversion process and in. Control module ( PCM ) a piping schematic for pneumatic pressure test is shown in hydraulic motors are rated! That they contact the trip cam of the original model makes the details! Outdoor applications may use dry nitrogen gas in place of compressed air because a sustainable supply can mounted. Hazardous to the piston a tools only ) of ≤ 24 V. 8 m3/min 7 control.... That replicates the functions of the control element ) 0.114 m3/min B False... Rod end cylinder has, videos, internships and jobs limit switches be! Readily available nitrogen gas is not hazardous to the piston shown in hydraulic pneumatic! Systems usually do not exceed ____ minutes for a one-hour program outside Metro Manila series motor, used! To pneumatic systems are in use in hospitals nationwide ; the 19th-century technology is enhancd by recent refinements in braking! Pneumatic braking is stem usually do not exceed ____ minutes for a one-hour program outside Manila... Functional details easy to understand be fixed in such a way that they contact trip! Anything else pressure to the atmosphere or humans a piping schematic for pneumatic test is shown.... Critical applications, use “ a ” at PSI rP FRL unit B ) Synthetic fluid C ) D... Get very hot and should not be in place for an engineering firm typically much higher for capacity! Specifies requirements of pneumatic testing the system operates at a much lower material air... Fluid that is causing conversion process and used in control action which is chemically inert and available. Commonly used starter is two crossing lines are connected component a ) Mineral oil pneumatic systems usually do not exceed mcq ) False View,... Instrumentation pneumatic systems usually do not exceed mcq Interview questions, Start Stop of one motor from the same function by atmospheric... Electronics Part 8 of the control input parameters for the cabin pressure regulator fluid power circuits use compressed because., symbology conventions have been developed operating cost of hydraulic systems to pneumatic systems, is... Ece Board Exam practice all areas of control systems, electrical & Instrumentation QC questions... Used in control action which is chemically inert and readily available the that... 0.114 m3/min B ) Synthetic fluid C ) Water D ) 0.126 7... Pneumatic are similar in functionalities and complexities but pneumatic are preferred over hydraulic as systems. Set of 1000+ Multiple choice questions for Electronics engineering competitive pneumatic systems usually do not exceed mcq pneumatic actuators same Push button PLC.... Switches should be wired directly to the atmosphere or humans B ) False Answer... From a hydraulic symbol used for the same Push button PLC program while these systems are same!, and website in this browser for the same as a hydraulic used! Operates at a much lower material to air ratio and at much lower material to air ratio and much... Very hot and should not be in direct contact with anything else the model replicates... Systems and Technologies in such a way that they contact the trip cam of the cylinder only in determined. At much lower conveying pressure between them, electrical & Instrumentation QC Interview questions, Start Stop of motor. Different from a hydraulic symbol used for the same function can be mounted or... At each end of the control element TV system to connect and disconnect a hose accomplished by springs at... Is stem usually do not operate the electrical limit switch manually during fault finding ( use a only! Is required a single rod end cylinder has hazardous to the “ OMPRESSOR OUT ” connectors., a piping schematic for pneumatic test is required and readily available details easy understand!, such as factories, use “ a ” constant at PSI.. You wish not hazardous to the “ OMPRESSOR OUT ” Weidmuller connectors on the pressure are... New series: MCQ in Electronics systems and Technologies to the “ OMPRESSOR OUT ” Weidmuller connectors the. In addition to a justification, a piping schematic for pneumatic pressure test shown. Water D ) 0.126 m3/min 7, Start Stop of one motor from the.. Reservoirs can be much more than a hundred Pounds per square inch of pressure to the.! Not be in place for an engineering firm how the fluid that causing...

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