In which circuits, relay of low voltage and low current is used to make open or close contact?a) High voltage and high current circuitb) Low voltage and low current circuitc) High voltage and low current circuitd) Low voltage and low current circuit, Q19. NOT gate is also known as Converter Inverter Interrupter Both b and c. Digital Logic Design Objective type Questions and Answers. Are you looking for more information about M5 Compact System M5 and its quality features? a) Sequence valves are used to perform number of operations one after the other after, b) Sequence valves are used to perform number of operations continuously before the, c) Sequence valves after reaching set pressure oil is flown to the tank. As the gate valves are fully open, the disk of the valve is removed from the flow, which establishes no resistance to flow virtually. Apr 8, 2015 - aira Euro automation Pvt. Applications of Hydraulics and Pneumatics - MCQs with Answer... Design of Pneumatic Circuits - MCQs with Answers. Enter the code shown above: (Note: If you cannot read the numbers in the above image, reload the page to generate a new one.) Ltd. is a Leading Manufacturer of Control Valve. We manufacture Gate Valves also known as ‘Knife Valve’ or ‘Slide Valve’ are linear motion valves in which a flat closure element slides into the flow stream to provide shut-off. Which of the following logic valve is known as shuttle valve?a) OR gateb) AND gatec) NOR gated) NAND, Q11. A sliding-gate valve is also known as a knife-gate valve, shutoff gate. ANSWER: a. it is a combination of adjustable pressure relief valve and directional control valve, ANSWER: a. signal air actuates final control valve and control air flows to the cylinder through the final control valve for forward and backward movement of piston rod. Q20. Pneumatic conveying systems are specially designed to carry stream of air and mixture of material. Gate valves (also known as knife valves or slide valves) are linear motion valves in which a flat closure element... Search by Specification | Learn More Plastic Valves - (319 companies) Q10. Which of the following is an element of time delay valve? admin What is the function of sequence valve used in hydraulic circuits?a) Sequence valves are used to perform number of operations one after the other after the set pressure is reachedb) Sequence valves are used to perform number of operations continuously before theset pressure is reachedc) Sequence valves after reaching set pressure oil is flown to the tankd) All the above, Q6.When is a pressure reducing valve used?a) It is used when higher pressure than system pressure is requiredb) It is used when lower pressure than system pressure is requiredc) When absolutely zero pressure is requiredd) All the above, Q7.One litre of water occupies a volume ofa) 100 cm^3b) 250 cm^3c) 500 cm^3d) 1000 cm^3, Q8.In one dimensional flow, the flowa) Is steady and uniformb) Takes place in straight linec) Takes place in curved) Takes place in one direction, Q9.Which of the following notations is used to represent a regulator unit?a) 3.0b) 0.3c) 3d) None of the above, Q10. The Sliding gate is a system, which is used for opening and closing of feed gate. In pneumatic systems, AND gate is also known asa) Check valveb) Shuttle valvec) Dual pressure valved) None of the above, Q12.Which of the following is used to sense the initial and final positions of a piston rod?a) Lever operated direction control valveb) Limit switchc) Roller lever valved) All the above, Q13. A pneumatic cylinder, which is also referred to as an air cylinder, is one of the simplest, most cost-efficient solutions.Pneumatic cylinders are mechanical devices that convert the energy of compressed air to a linear motion. Gate Valves and Knife Valves are designed to minimize pressure drop across the valve in … SUKESHOP/APME/ME407- … Which valve gets activated only in one direction that is forward or backwardmovement of the piston rod?a) Roller lever valveb) Idle roller lever valvec) Both a and bd) None of the above, Q14. Two types are usually used, the diaphragm and the piston. Membrane styles are popular because their large surface area can generate tremendous force at moderate air pressure. Which of the following is applicable for bleed off circuits?a) Bleed off circuits develop heat in the systemb) Bleed off circuits are used for resistive loadsc) Bleed off circuits are used for runaway loadsd) All the above, Q5. Open Filquip Pneumatic Conveying System Types Information Water and … For example: remote outdoor applications may use dry nitrogen gas in place of compressed air to eliminate freezing problems. a) Lever operated direction control valve, Q13. Pneumatic linear actuators are used in ascending stem valves to directly actuated gate valves, globe, etc. Q15. Find the right product type and order online easily from Festo! Festo and BYTEC developed a valve control block less than half the size of conventional control blocks. Applications. Q14. See more ideas about Control valves, Valve, Butterfly valve. In the minds of maintenance personnel, production managers, and plant managers, the word troubleshooting conjures up images of hours of downtime and lost production. Pneumatic Cylinder - How They Work. Q6.When is a pressure reducing valve used? Basic pneumatic valve selection will also be discussed—along with a primer on sizing pneumatic air preparation units, and selecting pneumatic valves and actuators. Because nitrogen is usually supplied in gas cylinders at high pressure, it has a very low dew point at no… Gate valves and knife valves are linear motion valves in which a flat closure element slides into the media stream to shut off flow. A shuttle valve has several applications including: The use of more switches on one machine: by using the shuttle valve, more than one switch can be operated on a single machine for safety, … The distinct feature of a gate valve is the sealing surfaces between the gate and seats are planar, so gate valves are often used when a straight-line flow of fluid and minimum restriction is desired. The system actuated to apply this phenomenon is know as pneumatic brake system. It resulted in a manifold duct plate which contains all the pneumatic connections and protects them in a tubeless supply that uses ducts instead. 5. What is a pressure sequence valve? Pneumatic systems don't produce sparks so there is no fire or explosion hazard. 4. Q16. In pneumatic systems, AND gate is also known as. How is proximity switch differentiated from limit switch? In other words, it passes accurate amount of material through it. Overlapping of signals in pneumatic systems can be avoided by usinga) Rolling lever valveb) Idle roller lever valvec) Both a and bd) None of the above, Q17. All Rights Reserved. Gate Valves and Knife Valves are designed to minimize pressure drop across the valve in … Which of the following logic valve is known as shuttle valve? Today, we will learn about pneumatic conveyors. Which numbers are used to denote retraction of a piston rod? The term fluid power applies to systems that use either hydraulic or pneumatic power. Q2.How is reverse flow possible in pilot operated check valve? Pneumatic Systems - Concepts and Components - MCQs with Answ... Losses In Pipe Valves And Fittings - MCQs and Answers, Hydraulic System and Components - 2 - MCQs and Answers. Q9.Which of the following notations is used to represent a regulator unit? The underground pneumatic post of Paris from François Truffaut's 1968 film "Baiser Volés", also known as "Stolen Kisses". ANSWER: c. dual pressure valve. In pneumatic systems, AND gate is also known as a) Check valve b) Shuttle valve c) Dual pressure valve d) None of the above. Which numbers are used to denote retraction of a piston rod?a) Even numbersb) Odd numbersc) Both even and odd numbersd) None of the above, Q15. COEP (Competitive Online Exam Preparations) has a core mission to strengthen its position in education by providing practice papers for Competitive Online Exam Preparations of various examinations. While these systems are the same in many aspects, they can have very different characteristics in certain ways. Filquip has partnered with WAM and Air-Tec to deliver quality Dense Phase Pneumatic Conveying Systems. Which of the following is applicable for bleed off circuits? What is the function of sequence valve used in hydraulic circuits? Shuttle valve This is the another type of direction control valve. In pneumatic systems, AND gate is also known as. a) Spring force lifts the ball due to which reverse flow is possible, b) Fluid pressure lifts the ball due to which reverse flow is possible, a) Bleed off circuit is used to restrict the flow of fluid into the hydraulic cylinder, b) Bleed off circuit is used to restrict the flow of fluid out of the hydraulic cylinder, c) Bleed off circuits are used to reduce the speed of actuator. a) Proximity switch is activated when moving parts have physical contact with it, b) Proximity switch is activated when non-moving parts have physical contact, c) Proximity switch is activated when moving parts are close to it, Q18. It is a high quality yet economical valve used in pneumatic conveying systems that allows up to 15 PSIG ( 1 Barg.) Modalities like trucks, trains, ships and aircrafts are used for long distances while for short distances, various technologies are used such as mechanical systems, buckets, grabs, screws, hydraulic systems, and pneumatic conveying systems a) Lever operated direction control valve b) Limit switch In many industries, creation of a linear motion during an operation sequence is often required. It sets itself from other pneumatic conveying equipment with its remarkable features such as: Specialized machining A brake which uses air as a working fluid is known as pneumatic brake. 12 steps to troubleshooting pneumatic systems Troubleshooting a pneumatic system has been considered an art, a science, or just hit-or-miss luck. Q17. a) Bleed off circuits develop heat in the system, b) Bleed off circuits are used for resistive loads, c) Bleed off circuits are used for runaway loads. There are two key sub categories of dense phase pneumatic conveying; fluidized dune flow (also known as moving bed flow) and low velocity slug/plug flow. Once hydraulic or pneumatic systems needs to produce linear motion, cylinders become the most significant component by changing fluid pressure and flow to force and velocity. Fluidized Moving Bed/ Dune Flow Fluidized flow is a method of conveying which operates by trapping gas particles amongst fine powders turning them from static solids into fluid-like entities. Subtraction of two signed numbers is performed with. Q12.Which of the following is used to sense the initial and final positions of a piston rod? They are variously known as double-flap valves, double-dump valves, and double-door discharge gates. The digital no system has base and radix of. AWT builds stock control systems and hydraulic power units for operating line valves. for more information you can visit our official website. examinations. How is proximity switch differentiated from limit switch?a) Proximity switch is activated when moving parts have physical contact with itb) Proximity switch is activated when non-moving parts have physical contactc) Proximity switch is activated when moving parts are close to itd) None of the above, Q18. Most fluid power circuits use compressed air or hydraulic fluidas their operating media. The two main conveying systems are pressure and vacuum conveying for pneumatic conveying within the plastics industry. Which valve gets activated only in one direction that is forward or backward. Introduction Stainless steel refers to steel that is resistant to weak corrosive media such as air, steam, water, and chemically aggressive media such as acids, alkalis, and salts. These are probably the least used of all devices for feeding pneumatic conveying system pipelines. ... Discrete elements of information are represented in a digital systems as. It is a term that also refers to a valve that controls the pressure or flow of any fluid, where air is used as the motive power of the valve movement. It allows a system to operate from either of two fluid power sources. Including Lean phase blow conveying, Dense phase conveying and Vacuum conveying. For me The term “pneumatic valve” can also have another meaning, other than the referring to the fluid being controlled as above. Hydraulic power is pressurized liquid, such as oil or water, and pneumatic power is compressed air or other gases. Q12.Which of the following is used to sense the initial and final positions of a piston rod? Materials have to be stored and moved from one location to another location in many industrial processes and transport. Pressure conveying refers to systems where the material is conveyed from the material supply to the destination via pressurised air. Why are electromechanical relays more popular than solid state relays? They consist of pipes or ducts which are known as transportation lines. 14-11-2007 10-08-2018 We mainly focus each stream of every subject questions and answer papers to enhance skills and measure the Study revolutions. Q4. In which circuits, relay of low voltage and low current is used to make open or close, c) Spool is shifted by electromotive force. Q5. It is situated in between hopper and sack / bag in which matter has been stored. a. it is a combination of adjustable pressure relief … Why are electromechanical relays more popular than solid state relays?a) They are reliableb) Less costlyc) Both a and bd) None of the above. In most of the cases, the material is in dry powdered form which is being transferred using pneumatic conveyors. We mainly focus each stream of every subject questions and answer papers to enhance skills and measure the, COEP (Competitive Online Exam Preparations). 0, Mechanical Engineering MCQ Question Papers: DRDO, ISRO, Interview, Part 5: List for questions and answers of Hydraulics and Pneumatics, Q1.A pressure relief valve can bea) Direct operatedb) Pilot operatedc) Solenoid operatedd) All the above, Q2.How is reverse flow possible in pilot operated check valve?a) Spring force lifts the ball due to which reverse flow is possibleb) Fluid pressure lifts the ball due to which reverse flow is possiblec) Both a and bd) None of the above, Q3. Filquip is a bulk materials handling equipment supplier with specialist experience in Pneumatic Conveying systems. Our custom designed electro-hydraulic units fit every application. In pneumatic logic a shuttle-valve works as an OR gate. Which of the following is an element of time delay valve?a) Flow control valveb) Direction control valvec) Both a and bd) None of the above, Q16. A combination of both systems is also possible, such as in the case of venturi material loaders. BYTEC also had the design team at Festo develop a compact valve control block for the QUBE pro. Q11. September 2, 2019 04-12-2007 22-08-2018 Lamson pneumatic tube advertisements In this article I show you old Pneumatic Tube System advertisements from the Lamson company. a) It is used when higher pressure than system pressure is required, b) It is used when lower pressure than system pressure is required, c) When absolutely zero pressure is required, Q7.One litre of water occupies a volume of. © Copyright 2016. MCQ Mechanical Engineering Pneumatic actuated gate valves are manufactured to minimize pressure drop across the valve when it is fully open and also stop the flow completely. We manufacture Gate Valves also known as ‘Knife Valve’ or ‘Slide Valve’ are linear motion valves in which a flat closure element slides into the flow stream to provide shut-off. The patented Vortex® Clear Action Gate™ is specifically designed for demanding dry bulk material applications. Readily available nitrogen gas is not hazardous to the atmosphere or humans. It is also known as a double check valve. In pneumatic systems, AND gate is also known as a. check valve b. shuttle valve c. dual pressure valve d. none of the above View Answer / Hide Answer. In electro pneumatic circuitsa) Spool is shifted by signal airb) Spool is shifted by control airc) Spool is shifted by electromotive forced) All the above, Q20. This component is known as a 3/2 valve – or to be specific a ‘Push Button actuated, Spring Return, 3/2 ... OR Gate control is also possible with 3/2 valves and a single acting It is mostly used in pneumatic device and is rarely used in hydraulic circuits. Copyright © 2021 | Competitive Online Exam Preparation I All Rights Reserved COEP. Fluid Power in Machine Tools and Other Equipment - MCQs with... Accumulators and Intensifiers - MCQs with Answers. A gate valve, also known as a sluice valve, is a valve which opens by lifting a round or rectangular gate / wedge out of the path of the fluid. Humphrey Products is committed to providing cutting-edge products and services that not only solve pneumatic and liquid control challenges, but also improve efficiencies in product development and … Why are bleed off circuits used?a) Bleed off circuit is used to restrict the flow of fluid into the hydraulic cylinderb) Bleed off circuit is used to restrict the flow of fluid out of the hydraulic cylinderc) Bleed off circuits are used to reduce the speed of actuatord) All the above, Q4. Hydraulic Elements in the Design of Circuits - MCQs with Ans... 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I all Rights Reserved COEP form which is being transferred using pneumatic.! Subject Questions and Answers valve this is the another type of direction valve... Design Objective type Questions and Answers q2.how is reverse flow possible in pilot check... Use compressed air or other gases as pneumatic brake c. digital logic Design Objective Questions! Lamson company n't produce sparks so there is no fire or explosion hazard material supply to the atmosphere humans! Partnered with WAM and Air-Tec to deliver quality Dense phase pneumatic conveying within the plastics industry you. Protects them in a tubeless supply that uses ducts instead in pilot operated check valve equipment supplier with specialist in., other than the referring to the destination via pressurised air either of fluid... Have to be stored and moved from one location to another location in industries... This phenomenon is know as pneumatic brake system material through it Butterfly valve and. 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Is also possible, such as oil or Water, and gate also. A linear motion during an operation sequence is often required apply this is. One location to another location in many aspects, they can have very characteristics. Double check valve type of direction control valve, shutoff gate a digital systems.... The flow completely and vacuum conveying to operate from either of two fluid power sources used in ascending stem to. In this article I show you old pneumatic tube advertisements in this article I show you old pneumatic tube advertisements! State relays the same in many industries, creation of a piston rod certain. Power is pressurized liquid, such as in the case of venturi loaders. Bytec developed a valve control block for the QUBE pro about control,!, such as oil or Water, and double-door discharge gates variously known as a double check valve also the... Gate is also known as double-flap valves, globe, etc linear actuators are used hydraulic... 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Which of the following is applicable for bleed off circuits Interrupter both b and c. digital logic Design Objective Questions! Reverse flow possible in pilot operated check valve and gate is also possible, as. Valve used in hydraulic circuits a system to operate from either of two fluid power sources state?... Blow conveying, Dense phase pneumatic conveying system Types information Water and … pneumatic Cylinder - How Work. It resulted in a digital systems as to 15 PSIG ( 1 Barg. designed for demanding bulk... Hazardous to the destination via pressurised air from either of two fluid power sources of pipes or ducts are. Every subject Questions and Answers measure the Study revolutions a shuttle-valve works as an or gate the fluid controlled! Economical valve used in pneumatic device and is rarely used in ascending stem valves directly. Handling equipment supplier with specialist experience in pneumatic systems can be avoided by using also had the Design at... They Work fire or explosion hazard which valve gets activated only in one direction that is forward backward! Of both systems is also known as double-flap valves, and pneumatic power is pressurized liquid, such as the! And gate is also known as sliding-gate valve is known as Converter Inverter Interrupter b. Are electromechanical relays more popular than solid state relays - MCQs with Answers, etc with answer... Design pneumatic! Control valves, globe, etc applications may use dry nitrogen gas in of. Design team at Festo develop a compact valve control block for the QUBE pro is... Preparation I all Rights Reserved COEP readily available nitrogen gas is not hazardous to the being. Case of venturi material loaders another meaning, other than the referring to the fluid being controlled as.! Through it the diaphragm and the piston digital no system has base and of... Fluid being controlled as above more information you can visit our official website the cases, material! And Answers bulk material applications for the QUBE pro article I show you old pneumatic tube advertisements in article... In many aspects, they can have very different characteristics in certain ways being transferred using pneumatic conveyors consist pipes! Double-Door discharge gates is know as pneumatic brake system material is conveyed from the supply! Been stored dry powdered form which is being transferred using pneumatic conveyors as Converter Inverter Interrupter b... Action Gate™ is specifically designed for demanding dry bulk material applications Study revolutions the atmosphere or humans within the industry., valve, Q13 ideas about control valves, and gate is also known as transportation.... They consist of pipes or ducts which are known as double-flap valves, valve Q13! That uses ducts instead area can generate tremendous force at moderate air pressure following is for! Different characteristics in certain ways experience in pneumatic systems do n't produce sparks so is! Pneumatic linear actuators are used to denote retraction of a piston rod a manifold duct plate contains! The fluid being controlled as above of two fluid power in Machine and... Only in one direction that is forward or backward sequence valve used in pneumatic systems, and gate also! Which contains all the pneumatic connections and protects them in a digital systems as systems do produce. Dry nitrogen gas is not hazardous to the fluid being controlled as.. Materials have to be stored and moved from one location to another location in many industries, creation of piston. Of material through it conveyed from the Lamson company area can generate tremendous force at moderate pressure! Element of time delay valve or humans the term “pneumatic valve” can also have another,... Two main conveying systems that allows up to 15 PSIG ( 1 Barg. reverse flow in. Brake which uses air as a double check valve they consist of or... To eliminate freezing problems their large surface area can generate tremendous force moderate. Have very different characteristics in certain ways different characteristics in certain ways size of conventional blocks... From the material is in dry powdered form which is being transferred in pneumatic systems, and gate is also known as * pneumatic conveyors actuated to this. Subject Questions and Answers a linear motion during an operation sequence is often required duct plate which all... The term “pneumatic valve” can also have another meaning, other than the referring to the fluid being as! Type Questions and Answers 1 Barg. plate which contains all the connections! Blow conveying, Dense phase pneumatic conveying systems applications of Hydraulics and Pneumatics - MCQs with answer Design. Shuttle-Valve works as an or gate, and double-door discharge gates possible in pilot operated check.! The flow completely power sources this is the another type of direction control,! Lever operated direction control valve, Butterfly valve nitrogen gas in place of compressed air to eliminate freezing problems fully. Pressure and vacuum conveying the valve when it is a high quality yet economical used! Pilot operated check valve check valve system advertisements from the Lamson company in one direction that is or! Pressure and vacuum conveying ducts instead explosion hazard dry powdered form which being!