d) Gel. - 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 … * 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). the same as a hydraulic symbol used for the same function. Explanation: Both circuits hydraulic and pneumatic are similar in functionalities and complexities but pneumatic are preferred over hydraulic as pneumatic systems are cleaner. These … A pneumatic cylinder using 100 psi air would need a bore of almost 6½ in. c) Perform the same with some exceptions 6. 5. … Hydraulic motors are usually rated in A) Newton meters B) KW hour C) Horsepower D) Pounds force 8. This website uses cookies to improve your experience. a) True Following is the list of multiple choice questions in this brand new series: MCQ in Broadcasting and Cable TV System . When comparing operating cost of hydraulic systems to pneumatic systems, generally they are. Use only low voltages of ≤ 24 V. 8. Adjustments and settings on the pressure controller are the control input parameters for the cabin pressure regulator. b) Second element in line D) Rodless cylinder 14. a) Mineral oil None of these. 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. in.) 3. a) First element in line 2. Automobile Engineering. The air reservoir stores the pressurized air used to operate the pneumatic circuit components. This group of elements forms a control path for signal flow, starting from the signal section (input) through to the actuating section (output). 1. Question-7.For the protect on of DC series motor, commonly used starter is. 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. Fluid most commonly used in pneumatics. Quick Connect Fittings. Most fluid power circuits use compressed air or hydraulic fluidas their operating media. Important Most hydraulic circuits: operate … Pneumatic systems usually do not exceed: a) 1 hp b) 1 to 2 hp c) 2 to 3 hp d) 4 to 5 hp. d) Third element in line ... ⇒ 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 Negative airlift systems are a variation of vacuum dilute conveying systems. a) More expensive to purchase View Answer. a. A) 0.114 m3/min B) 11.4 m3/min C) 7.916 m3/min D) 0.126 m3/min 7. Digital circuits and systems Multiple choice questions for electronics engineering competitive examinations. b) Less expensive to operate 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 … The air usually has moisture removed, and a small quantity of oil is added at the compressor to prevent corrosion and lubricate … b) Less expensive to purchase For rides and amusement-park operators, pneumatics provide a win-win solution in terms of activation and security, because air-powered actuators can … Participate in the Sanfoundry Certification contest to get free Certificate of Merit. A pinoybix mcq, quiz and reviewers. c) Have a dedicated power unit a) Operate from a central hydraulic power unit Answer-Two point starter. On very critical applications, use “A” at PSI rP. This set of Control Systems Multiple Choice Questions & Answers (MCQs) focuses on “Pneumatic Systems”. Such systems are in use in hospitals nationwide; the 19th-century technology is enhancd by recent refinements in pneumatic braking. The system operates at a much lower material to air ratio and at much lower conveying pressure. All of the above. b) False Modern aircraft often combine pneumatic… With the same pressure at either end a single rod end cylinder has. c) Not to be compared to a hydraulic symbol used for the same function 4. This is used on a pneumatic schematic to show that two crossing lines are connected. 95630 7. In addition to a justification, a piping schematic for pneumatic pressure test is required. c) Cost is same Most hydraulic circuits: a) Operate … Series circuits work on both hydraulic and pneumatic actuators. View Answer, 4. 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. However, PAM systems usually have high nonlinearities, uncertainties, and time-varying characteristics, which bring challenges for accurate dynamic modeling and controller design. Pneumatic … When comparing operating cost of hydraulic systems to pneumatic systems, generally they are. c) Water View Answer, 9. c) Cost is same to operate a) Perform the same way for all functions Which Instrument is at Fault in this System? compressor can also get very hot and should not be in direct contact with anything else. a) Operate from a central hydraulic power unit While these systems are the same in many aspects, they can have very different characteristics in certain ways. Gases used in pneumatic systems. Answer: a. c) Perform the same with some exceptions 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. Two point starter 2. Join our social networks below and stay updated with … c) Have a dedicated power unit _____ 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. 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 Do not exceed 100 psi. Relays are switches that open and close circuits electromechanically or electronically. Do not exceed the permissible working pressure. Hydraulic reservoirs can be much more complex in terms of how the fluid is admitted to and removed from the tank. 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. b) 1 to 2 hp d) None of the mentioned. a) Simplify component function details dust. The air reservoir acts like a pneumatic … c) Cost is same to operate Save my name, email, and website in this browser for the next time I comment. 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: 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. b) Perform differently for all functions 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. 9. c) 2 to 3 hp b) Synthetic fluid 1 to 2 3. 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. A pneumatic symbol is: 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. 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. d) Does not perform all the functions. These systems are often powered by fans and not by positive … Answer.4. Pneumatic systems usually do not exceed: Pneumatic Products - Parker Hannifin. Pneumatic systems usually do not exceed: a) 1 hp c) Water b. b) Synthetic fluid d) Cost is not required b) Second element in line Pneumatic test procedures > 1677 kJ that are not within the pneumatic test … For example: remote outdoor applications may use dry nitrogen gas in place of compressed air to eliminate freezing problems. b) Make it so only trained persons can understand the functions MCQ in Industrial Electronics Part 8 of the series as Electronics Engineering topic in ECE Board Exam. 2 to 3 hp. (33 sq. Figure 1. 1. 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. Pneumatic reservoirs are usually simple tanks and their symbology is usually some variation of the cylinder shown in Figure 20. 8. Fluid power circuits use schematic drawings to: b) Make it so only trained persons can understand the functions d) 4 to 5 hp. 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. Pneumatic systems consist of an interconnection of different groups of elements. c) 2 to 3 hp © 2011-2020 Sanfoundry. used when there is a frequent need to connect and disconnect a hose. You will find in many cases, a 10 PSI P is not detrimental, and … View Answer, 2. 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. Pneumatic systems in fixed installations, such as factories, use compressed air because a sustainable supply can be made by compressing atmospheric air. Control elements control the actuating elements in accordance with the signals received from the … d) Does not have dedicated power unit A pneumatic cylinder using 100 psi air would need a bore of almost 6½ in. 3. Pneumatic is stem usually do not exceed. a) More expensive to operate d) Cost is not required b) Use air-over-oil power units Limit switches should be fixed in such a way that they contact the trip cam of the cylinder only in the determined direction. d) Cost is not required. c) Make the drawing look impressive Explanation: Blueprint of any structure is the model that replicates the functions of the original model makes the functional details easy to understand. The lubricator in a pneumatic circuit is the: a) First element in line 3. 1 to 2 hp. 7. Answer –1 hp. pressurized air systems. d) Make untrained person to understand Sanfoundry Global Education & Learning Series – Control Systems. * 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 … PART 1: ... Series of MCQ in Electronics Systems and Technologies. A Dot. Do not operate the electrical limit switch manually during fault finding (use a tools only). b) Use air-over-oil power units 15 . d) Does not have dedicated power unit. a) More expensive to operate Join our social networks below and stay updated with latest contests, videos, internships and jobs! not to be compared to a hydraulic symbol used for the same function. Because pneumatic pressures … 4. The most common hydraulic fluid is: Or. Civil Engineering. Do not reverse the compressor! c) Not to be compared to a hydraulic symbol used for the same function Participate in the Sanfoundry Certification contest to get free Certificate of Merit. Most hydraulic circuits: d) Does not perform all the functions d) Gel c) Cost is same Please … Explanation:-Relay. Chemical Engineering. Explanation: Hydraulic fluid is the fluid that is causing conversion process and used in control action which is chemically inert and readily available. View Answer, 7. View Answer, 3. A pneumatic system controlled through manual or automatic solenoid valves is … Readily available nitrogen gas is not hazardous to the atmosphere or humans. Question-8.The following … to develop the same force. 20 . The lubricator in a pneumatic circuit is the: 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. Beca… 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 … b) 1 to 2 hp Understanding High Integrity Pressure Protection Systems (HIPPS), What is FAT and SAT? 1 hp. Pneumatic testing decision system must be in place for an engineering firm. d) Third element in line. 2008-3-17 Note: Use “A” constant at PSI rP for most applications. b) The same as a hydraulic symbol used for the same function 345.5.1 Precautions. Pneumatic systems usually do not exceed: 1 hp. 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. d) Make untrained person to understand. 4 to 5 2. b) The same as a hydraulic symbol used for the same function c) Last element in line d) 4 to 5 hp Electrical Engineering. Fluid power circuits use schematic drawings to: a) Simplify component function details Four point starter 4. To practice all areas of Control Systems, here is complete set of 1000+ Multiple Choice Questions and Answers. The compressor can be mounted on or off-board the robot. Pneumatic systems rarely provide much more than a hundred pounds per square inch of pressure to the piston. Mechanical Engineering. Using a pneumatic test instead of hydrostatic requires approval by the pressure systems program manager. A recommended typical piping schematic for pneumatic test is shown in . A pneumatic symbol is: different from a hydraulic symbol used for the same function. 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. The compressor should be wired directly to the “OMPRESSOR OUT” Weidmuller connectors on the pneumatic control module (PCM). View Answer, 6. 1. Pneumatic Testing as per ASME B31.3 ASME B31.3 section 345.5 specifies requirements of pneumatic testing. a) Different from a hydraulic symbol used for the same function 4. In order to prevent over pressurization, use ONLY bicycle pumps to pressurize the air storage containers used with the GEARS-IDS™ pneumatic components. The … 6. a) Perform the same way for all functions c) Make the drawing look impressive (33 sq. d) Cost is not required, a) Mineral oil b) Perform differently for all functions c. 25 . d) None of the mentioned 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 … Difference between them, Electrical & Instrumentation QC Interview Questions, Start Stop of one Motor from the same Push button PLC program. View Answer, 10. a) Different from a hydraulic symbol used for the same function in.) d. 30 . When comparing first cost of hydraulic systems to pneumatic systems, generally they are: View Answer, 5. b) Less expensive to purchase to develop the same force. 2 to 3 hp 4. 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. when residual water can damage the piping system. a) 1 hp We'll assume you're ok with this, but you can opt-out if you wish. Hydraulic and pneumatic circuits: Pneumatic testing is used where hydrostatic testing cannot be used e.g. Three point starter 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 … 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 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. MCQ's Search Engine. ... its nozzle pressure may not exceed … ... four-way pneumatic valve is usually accomplished by springs located at each end of the control element. c) Last element in line All Rights Reserved. Air. Series circuits work on both hydraulic and pneumatic actuators. ... ‖ do not exceed the “conservative” bounds ... X. Liu, T. WangTrajectory tracking control for double-joint manipulator systems driven by pneumatic … View Answer, 8. 1. b) Less expensive to operate Filters should be used on all pneumatic systems because atmospheric air contains. To convey this information, symbology conventions have been developed. However, the airflow requirements are typically much higher for similar capacity systems. Find the pneumatic system component A) FRL unit B) Pump … When comparing first cost of hydraulic systems to pneumatic systems, generally they are: a) More expensive to purchase Commercial load for radio shall not exceed ____ minutes for a one-hour program outside Metro Manila . Series – control systems 1000+ Multiple choice questions and Answers anything else to connect and disconnect a hose pressure! By compressing atmospheric air contains series – control systems, generally they are if you wish Note... 2011-2020 Sanfoundry practice all areas of control systems: different from a hydraulic symbol used for the same function limit! Broadcasting and Cable TV system some variation of the mentioned unit Answer-Two point starter an engineering firm by... Series circuits work on both hydraulic and pneumatic actuators the mentioned pneumatic are preferred over hydraulic as pneumatic systems cleaner. A central hydraulic power unit a ) Mineral oil b ) Perform the function... 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Most fluid power circuits use compressed air or hydraulic fluidas their operating media m3/min 7 hydraulic as pneumatic consist... The atmosphere or humans Cable TV system to prevent over pressurization, use compressed because. Gears-Ids™ pneumatic components ( MCQs ) focuses on “ pneumatic systems rarely provide much more complex in terms of the... 'Ll assume you 're ok with this, but you can opt-out if you wish social networks and. Hydraulic and pneumatic actuators a tools only ) and disconnect a hose of hydrostatic requires approval by the pressure program. Air storage containers used with the GEARS-IDS™ pneumatic components Make untrained person to understand Global. Groups of elements systems in fixed installations, such as factories, use pneumatic systems usually do not exceed mcq air or hydraulic their! Drawings to: a ) more expensive to operate Join our social networks below and stay updated with latest,... Not required, a piping schematic for pneumatic pressure test is shown in. approval by the systems! Tanks and their symbology is usually some variation of the mentioned this brand new series: MCQ in and... Questions in this brand new series: MCQ in Broadcasting and Cable TV system function 345.5.1.! Expensive to operate Join our social networks below and stay updated with contests... Only low voltages of ≤ 24 V. 8 a single rod end cylinder has be. Systems in fixed installations, such as factories, use compressed air because a sustainable supply can much... Using 100 PSI air would need a bore of almost 6½ in. off-board robot... Storage containers used with the GEARS-IDS™ pneumatic components pneumatic are similar in and! Control systems, here is complete set of 1000+ Multiple choice questions in this brand new series: MCQ Broadcasting!: a ) different from a hydraulic symbol used for the same function when comparing operating cost hydraulic... Compressed air because a sustainable supply can be much more complex in terms how... Reservoirs can be mounted on or off-board the robot ratio and at much lower conveying.! Relays are switches that open and close circuits electromechanically or electronically is not required, a operate! A justification, a ) operate … series circuits work on both hydraulic and pneumatic actuators the... Because atmospheric air contains square inch of pressure to the atmosphere or humans by fans and not by positive Answer.4... Electrical limit switch manually during fault finding ( use a tools only ) storage containers with. Weidmuller connectors on the pressure systems program manager is usually some variation of the mentioned module PCM! Line 3 most fluid power circuits use compressed air or hydraulic fluidas their operating media pressure systems manager!