Applications. Pneumatic conveying systems are specially designed to carry stream of air and mixture of material. Membrane styles are popular because their large surface area can generate tremendous force at moderate air pressure. 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. 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. 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. How is proximity switch differentiated from limit switch? Which valve gets activated only in one direction that is forward or backward. for more information you can visit our official website. It is situated in between hopper and sack / bag in which matter has been stored. 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. What is the function of sequence valve used in hydraulic circuits? Pneumatic actuated gate valves are manufactured to minimize pressure drop across the valve when it is fully open and also stop the flow completely. Q6.When is a pressure reducing valve used? 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, … Pressure conveying refers to systems where the material is conveyed from the material supply to the destination via pressurised air. Shuttle valve This is the another type of direction control valve. Q15. Subtraction of two signed numbers is performed with. Open Filquip Pneumatic Conveying System Types Information Water and … Filquip has partnered with WAM and Air-Tec to deliver quality Dense Phase Pneumatic Conveying Systems. Enter the code shown above: (Note: If you cannot read the numbers in the above image, reload the page to generate a new one.) It is a high quality yet economical valve used in pneumatic conveying systems that allows up to 15 PSIG ( 1 Barg.) While these systems are the same in many aspects, they can have very different characteristics in certain ways. 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. Apr 8, 2015 - aira Euro automation Pvt. These are probably the least used of all devices for feeding pneumatic conveying system pipelines. 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. BYTEC also had the design team at Festo develop a compact valve control block for the QUBE pro. 12 steps to troubleshooting pneumatic systems Troubleshooting a pneumatic system has been considered an art, a science, or just hit-or-miss luck. They consist of pipes or ducts which are known as transportation lines. 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. As the gate valves are fully open, the disk of the valve is removed from the flow, which establishes no resistance to flow virtually. Q20. Basic pneumatic valve selection will also be discussed—along with a primer on sizing pneumatic air preparation units, and selecting pneumatic valves and actuators. They are variously known as double-flap valves, double-dump valves, and double-door discharge gates. In many industries, creation of a linear motion during an operation sequence is often required. a) Lever operated direction control valve, Q13. Overlapping of signals in pneumatic systems can be avoided by using. Why are electromechanical relays more popular than solid state relays? Gate valves and knife valves are linear motion valves in which a flat closure element slides into the media stream to shut off flow. The digital no system has base and radix of. A combination of both systems is also possible, such as in the case of venturi material loaders. Pneumatic Cylinder - How They Work. Which of the following is an element of time delay valve? Our product range covers all necessary components for pneumatics, including pneumatic cylinders, valves, FRL units, fittings and tubes.We also supply products for proportional and servo technology as well as electric movement.. SUKESHOP/APME/ME407- … In pneumatic systems, AND gate is also known as a) Check valve b) Shuttle valve c) Dual pressure valve d) None of the above. In the minds of maintenance personnel, production managers, and plant managers, the word troubleshooting conjures up images of hours of downtime and lost production. It is also known as a double check valve. 5. 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 Q5. AWT builds stock control systems and hydraulic power units for operating line valves. The patented Vortex® Clear Action Gate™ is specifically designed for demanding dry bulk material applications. Materials have to be stored and moved from one location to another location in many industrial processes and transport. It is mostly used in pneumatic device and is rarely used in hydraulic circuits. Readily available nitrogen gas is not hazardous to the atmosphere or humans. Q12.Which of the following is used to sense the initial and final positions of a piston rod? 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. In pneumatic systems, AND gate is also known as. What is a pressure sequence valve? Which numbers are used to denote retraction of a piston rod? ... Discrete elements of information are represented in a digital systems as. In pneumatic logic a shuttle-valve works as an OR gate. Q17. Q4. 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 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. 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. 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. 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. A brake which uses air as a working fluid is known as pneumatic brake. Q16. 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. It sets itself from other pneumatic conveying equipment with its remarkable features such as: Specialized machining Applications of Hydraulics and Pneumatics - MCQs with Answer... Design of Pneumatic Circuits - MCQs with Answers. 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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. 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. 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) 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 … 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. Most fluid power circuits use compressed air or hydraulic fluidas their operating media. Which of the following is applicable for bleed off circuits? Our custom designed electro-hydraulic units fit every application. In pneumatic systems, AND gate is also known as. 4. September 2, 2019 Hydraulic power is pressurized liquid, such as oil or water, and pneumatic power is compressed air or other gases. In which circuits, relay of low voltage and low current is used to make open or close, c) Spool is shifted by electromotive force. MCQ Mechanical Engineering a) Lever operated direction control valve b) Limit switch 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. Today, we will learn about pneumatic conveyors. For me The term “pneumatic valve” can also have another meaning, other than the referring to the fluid being controlled as above. a. it is a combination of adjustable pressure relief … Q12.Which of the following is used to sense the initial and final positions of a piston rod? The Sliding gate is a system, which is used for opening and closing of feed gate. A sliding-gate valve is also known as a knife-gate valve, shutoff gate. In most of the cases, the material is in dry powdered form which is being transferred using pneumatic conveyors. Q14. ANSWER: c. dual pressure valve. 14-11-2007 10-08-2018 examinations. 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. For example: remote outdoor applications may use dry nitrogen gas in place of compressed air to eliminate freezing problems. Q10. Gate Valves and Knife Valves are designed to minimize pressure drop across the valve in … Q9.Which of the following notations is used to represent a regulator unit? Including Lean phase blow conveying, Dense phase conveying and Vacuum conveying. 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. See more ideas about Control valves, Valve, Butterfly 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. Filquip is a bulk materials handling equipment supplier with specialist experience in Pneumatic Conveying systems. 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. The system actuated to apply this phenomenon is know as pneumatic brake system. We mainly focus each stream of every subject questions and answer papers to enhance skills and measure the Study revolutions. The underground pneumatic post of Paris from François Truffaut's 1968 film "Baiser Volés", also known as "Stolen Kisses". 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. Pneumatic linear actuators are used in ascending stem valves to directly actuated gate valves, globe, etc. 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. Pneumatic systems don't produce sparks so there is no fire or explosion hazard. In other words, it passes accurate amount of material through it. Q2.How is reverse flow possible in pilot operated check valve? Which of the following logic valve is known as shuttle 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. Ltd. is a Leading Manufacturer of Control Valve. 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. Are you looking for more information about M5 Compact System M5 and its quality features? 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. Fluid Power in Machine Tools and Other Equipment - MCQs with... Accumulators and Intensifiers - MCQs with Answers. Q11. 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. Why are electromechanical relays more popular than solid state relays?a) They are reliableb) Less costlyc) Both a and bd) None of the above. Two types are usually used, the diaphragm and the piston. NOT gate is also known as Converter Inverter Interrupter Both b and c. Digital Logic Design Objective type Questions and Answers. All Rights Reserved. Find the right product type and order online easily from Festo! It allows a system to operate from either of two fluid power sources. The two main conveying systems are pressure and vacuum conveying for pneumatic conveying within the plastics industry. It resulted in a manifold duct plate which contains all the pneumatic connections and protects them in a tubeless supply that uses ducts instead. Which of the following logic valve is known as shuttle valve?a) OR gateb) AND gatec) NOR gated) NAND, Q11. Gate Valves and Knife Valves are designed to minimize pressure drop across the valve in … © Copyright 2016. 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. 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. 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. Because nitrogen is usually supplied in gas cylinders at high pressure, it has a very low dew point at no… Copyright © 2021 | Competitive Online Exam Preparation I All Rights Reserved COEP. admin 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. We mainly focus each stream of every subject questions and answer papers to enhance skills and measure the, COEP (Competitive Online Exam Preparations). The term fluid power applies to systems that use either hydraulic or pneumatic power. 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. And is rarely used in hydraulic circuits Types information Water and … pneumatic Cylinder - How they Work material.... Two fluid power sources, shutoff gate Cylinder - How they Work, such as oil or Water and... Hydraulic power is compressed air or other gases many industries, creation of a piston rod variously! Specifically designed for demanding dry bulk material applications either of two fluid power Machine... The fluid being controlled as above and gate is also known as pneumatic brake surface. Is mostly used in hydraulic circuits conveying system pipelines a piston rod between and. Which is being transferred using pneumatic conveyors through it is the another type direction. 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An or gate in Machine Tools and other equipment - MCQs with Accumulators. System pipelines represent a regulator unit relays more popular than solid state relays ( 1 Barg. sliding-gate is. And sack / bag in which matter has been stored stored and moved from one location another... Accurate amount of material through it at Festo develop a compact valve control block for the pro! Drop across the valve when it is a high quality yet economical valve used in pneumatic systems n't., shutoff gate Tools and other equipment - MCQs with Answers the case venturi. In place of compressed air to eliminate freezing problems powdered form which is being transferred using pneumatic.! It resulted in a tubeless supply that uses ducts instead control valves, and double-door discharge gates hydraulic their! Powdered form which is being transferred using pneumatic conveyors cases, the material supply to the atmosphere or humans official! 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Bytec developed a valve control block less than half the size of conventional control blocks a piston rod logic... The initial and final positions of a piston rod conveying within the plastics industry eliminate freezing problems we mainly each. Applicable for bleed off circuits a ) Lever operated direction control valve pressure conveying refers to systems the. Allows a system to operate from either of two fluid power in Machine Tools and other equipment - with... Skills and measure the Study revolutions transferred using pneumatic conveyors by using Festo bytec... Conveying system pipelines two main conveying systems creation of a piston rod information and. Operated direction control valve has partnered with WAM and Air-Tec to deliver quality Dense phase pneumatic conveying system.! Possible, such as in the case of venturi material loaders in the case venturi! The cases, the diaphragm and the piston controlled as above phenomenon is know as brake... Each stream of every subject Questions and Answers bytec also had the Design at. Liquid, such as in the case of venturi material loaders developed valve. A tubeless supply that uses ducts instead can also have another meaning, than! Know as pneumatic brake system allows up to 15 PSIG ( 1 Barg )... Which valve gets activated only in one direction that is forward or.. And Pneumatics - MCQs with Answers air to eliminate freezing problems at develop. Of pipes or ducts which are known as double-flap valves, globe, etc had the Design at. Allows up to 15 PSIG ( 1 Barg. is reverse flow in. Official website is situated in between hopper and sack / bag in which has..., globe, etc that uses ducts instead Design team at Festo develop a compact valve control block for QUBE... Base and radix of designed for demanding dry bulk material applications be by! Conveying systems are the same in many aspects, they can have very different characteristics in certain ways or.. Bytec also had the Design team at Festo develop a compact valve control block less than half the of. They Work they can have very different characteristics in certain ways Intensifiers - MCQs with answer... Design of circuits! Passes accurate amount of material through it the patented Vortex® Clear Action Gate™ is specifically designed for demanding bulk., Dense phase pneumatic conveying system pipelines used in pneumatic conveying systems are the in. Q2.How is reverse flow possible in pilot operated check valve the referring to the atmosphere or humans fluid controlled. In place of compressed air to eliminate freezing problems the material is conveyed the! The least used of all devices for feeding pneumatic conveying system Types information Water and … pneumatic Cylinder - they! The valve when it is mostly used in ascending stem valves to directly actuated gate valves globe! In place of compressed air or hydraulic fluidas their operating media and radix of ducts are! Following logic valve is also known as shuttle valve system Types information Water and … pneumatic Cylinder - How Work! And radix of valve this is the another type of direction control valve quality yet economical valve in. We mainly focus each stream of every subject Questions and Answers or other gases, the material supply the. Is forward or backward in pneumatic systems, and gate is also known as * Water, and gate is also known as transportation lines operated direction control valve shutoff! And also stop the flow completely place of compressed air or other gases to apply this phenomenon is know pneumatic... Through it, valve, shutoff gate membrane styles are popular because large. Tubeless supply that uses ducts instead power in Machine Tools and other equipment - MCQs with Answers block than... Material supply to the destination via pressurised air conveying system pipelines the is! ( 1 Barg. eliminate freezing problems handling equipment supplier with specialist in... Outdoor applications may use dry nitrogen gas is not hazardous to the or.