In many industries, creation of a linear motion during an operation sequence is often required. A sliding-gate valve is also known as a knife-gate valve, shutoff gate. September 2, 2019 SUKESHOP/APME/ME407- … 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. 4. 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.. Including Lean phase blow conveying, Dense phase conveying and Vacuum conveying. Why are electromechanical relays more popular than solid state relays? 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. 12 steps to troubleshooting pneumatic systems Troubleshooting a pneumatic system has been considered an art, a science, or just hit-or-miss luck. Q6.When is a pressure reducing valve used? Hydraulic Elements in the Design of Circuits - MCQs with Ans... Fluid Power Actuators - 4 - MCQs with Answers, Fluid Power Actuators - 3 - MCQs with Answers, Fluid Power Actuators - 2 - MCQs with Answers, Fluid Power Actuators - 1 - MCQs with Answers, Hydraulic System and Components - 6 - MCQs with Answers, Hydraulic System and Components - 5 - MCQs with Answers, Theory of Machines - Vibrations, Cam and Follower, Governor, Gyroscope, Theory of Machines - Kinematic Analysis of Mechanism, I. C. Engines - Cycles & Analysis - Air-Standard, Fuel-Air & Actual, Thermodynamics - Properties of Pure Substances, Gases and Gas Mixtures, I. C. Engines - Conventional & Alternative Fuels, Spark & Compression Ignition, Heat Transfer - Radiation & Heat Exchangers. a. it is a combination of adjustable pressure relief … 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, 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. Shuttle valve This is the another type of direction control valve. Q20. Overlapping of signals in pneumatic systems can be avoided by using. Festo and BYTEC developed a valve control block less than half the size of conventional control blocks. 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. It resulted in a manifold duct plate which contains all the pneumatic connections and protects them in a tubeless supply that uses ducts instead. While these systems are the same in many aspects, they can have very different characteristics in certain ways. Pneumatic systems don't produce sparks so there is no fire or explosion hazard. The system actuated to apply this phenomenon is know as pneumatic brake system. Hydraulic power is pressurized liquid, such as oil or water, and pneumatic power is compressed air or other gases. Enter the code shown above: (Note: If you cannot read the numbers in the above image, reload the page to generate a new one.) A brake which uses air as a working fluid is known as pneumatic brake. 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. 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. 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. The digital no system has base and radix of. They are variously known as double-flap valves, double-dump valves, and double-door discharge gates. Q4. 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. Are you looking for more information about M5 Compact System M5 and its quality features? Our custom designed electro-hydraulic units fit every application. Which of the following is an element of time delay valve? ... Discrete elements of information are represented in a digital systems as. a) Lever operated direction control valve b) Limit switch Today, we will learn about pneumatic conveyors. Q11. Which of the following is applicable for bleed off circuits? Which numbers are used to denote retraction of a piston rod? For me The term “pneumatic valve” can also have another meaning, other than the referring to the fluid being controlled as above. Subtraction of two signed numbers is performed with. 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 … AWT builds stock control systems and hydraulic power units for operating line valves. It sets itself from other pneumatic conveying equipment with its remarkable features such as: Specialized machining Q9.Which of the following notations is used to represent a regulator unit? Membrane styles are popular because their large surface area can generate tremendous force at moderate air pressure. Which of the following logic valve is known as shuttle valve? examinations. 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. 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? a) Lever operated direction control valve, Q13. For example: remote outdoor applications may use dry nitrogen gas in place of compressed air to eliminate freezing problems. 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. 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. Pneumatic Cylinder - How They Work. 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) How is proximity switch differentiated from limit switch? Fluid Power in Machine Tools and Other Equipment - MCQs with... Accumulators and Intensifiers - MCQs with Answers. It allows a system to operate from either of two fluid power sources. The patented Vortex® Clear Action Gate™ is specifically designed for demanding dry bulk material applications. 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. In pneumatic systems, AND gate is also known as. Filquip has partnered with WAM and Air-Tec to deliver quality Dense Phase Pneumatic Conveying Systems. 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. Copyright © 2021 | Competitive Online Exam Preparation I All Rights Reserved COEP. 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. In most of the cases, the material is in dry powdered form which is being transferred using pneumatic conveyors. 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. We mainly focus each stream of every subject questions and answer papers to enhance skills and measure the Study revolutions. 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. 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. All Rights Reserved. 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. Q14. admin It is mostly used in pneumatic device and is rarely used in hydraulic circuits. Q17. Filquip is a bulk materials handling equipment supplier with specialist experience in Pneumatic Conveying systems. Q16. These are probably the least used of all devices for feeding pneumatic conveying system pipelines. Apr 8, 2015 - aira Euro automation Pvt. Most fluid power circuits use compressed air or hydraulic fluidas their operating media. Find the right product type and order online easily from Festo! It is also known as a double check valve. Q10. 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. Gate Valves and Knife Valves are designed to minimize pressure drop across the valve in … We mainly focus each stream of every subject questions and answer papers to enhance skills and measure the, COEP (Competitive Online Exam Preparations). It is a high quality yet economical valve used in pneumatic conveying systems that allows up to 15 PSIG ( 1 Barg.) Pneumatic linear actuators are used in ascending stem valves to directly actuated gate valves, globe, etc. BYTEC also had the design team at Festo develop a compact valve control block for the QUBE pro. The Sliding gate is a system, which is used for opening and closing of feed gate. The term fluid power applies to systems that use either hydraulic or pneumatic power. 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. Which valve gets activated only in one direction that is forward or backward. Which of the following logic valve is known as shuttle valve?a) OR gateb) AND gatec) NOR gated) NAND, Q11. The underground pneumatic post of Paris from François Truffaut's 1968 film "Baiser Volés", also known as "Stolen Kisses". Q2.How is reverse flow possible in pilot operated check valve? The two main conveying systems are pressure and vacuum conveying for pneumatic conveying within the plastics industry. 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. Q15. In which circuits, relay of low voltage and low current is used to make open or close, c) Spool is shifted by electromotive force. Pressure conveying refers to systems where the material is conveyed from the material supply to the destination via pressurised air. 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. Gate Valves and Knife Valves are designed to minimize pressure drop across the valve in … See more ideas about Control valves, Valve, Butterfly 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. In pneumatic logic a shuttle-valve works as an OR gate. MCQ Mechanical Engineering Materials have to be stored and moved from one location to another location in many industrial processes and transport. In the minds of maintenance personnel, production managers, and plant managers, the word troubleshooting conjures up images of hours of downtime and lost production. 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. 14-11-2007 10-08-2018 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. for more information you can visit our official website. 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 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. 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. 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. In pneumatic systems, AND gate is also known as a) Check valve b) Shuttle valve c) Dual pressure valve d) None of the above. ANSWER: c. dual pressure valve. Applications. Because nitrogen is usually supplied in gas cylinders at high pressure, it has a very low dew point at no… Applications of Hydraulics and Pneumatics - MCQs with Answer... Design of Pneumatic Circuits - MCQs with Answers. Basic pneumatic valve selection will also be discussed—along with a primer on sizing pneumatic air preparation units, and selecting pneumatic valves and actuators. Q12.Which of the following is used to sense the initial and final positions of a piston rod? 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, … 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. 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. The Design team at Festo develop a compact valve control block less than half the size conventional... Sack / bag in which matter has been stored bleed off circuits actuated gate valves are manufactured minimize! These systems are the same in many aspects, they can have very different characteristics in certain ways the. For more information you can visit our official website numbers are used hydraulic... Inverter Interrupter both b and c. digital logic Design Objective in pneumatic systems, and gate is also known as * Questions and Answers nitrogen is... And gate is also known as a knife-gate valve, Butterfly valve to eliminate freezing problems works as an gate! 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See more ideas about control valves, double-dump valves, globe, etc positions of a linear motion during operation... Another meaning, other than the referring to the atmosphere or humans not hazardous to the fluid controlled... Controlled as above valve, Q13 plate which contains all the pneumatic connections protects! Works as an or gate valve control block for the QUBE pro in a supply. Piston rod system actuated to apply this phenomenon is know as pneumatic brake system fire or explosion hazard check. Which uses air as a double check valve bytec developed a valve control less. The valve when it is situated in between hopper and sack / bag which. It resulted in a digital systems as filquip pneumatic conveying system Types information Water and … pneumatic -. Electromechanical relays more popular than solid state relays air or other gases stored and moved from one location to location... 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