Pneumatics & Hydraulics Systems Mc1605 Quiz- 4

15 Questions | Total Attempts: 67

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Pneumatics & Hydraulics Systems Mc1605 Quiz- 4

All questions are compulsory The duration of this quiz is 15 min Students should log in after 21:00 hrs


Questions and Answers
  • 1. 
    The ________converts the compressed air energy into mechanical energy in the form of force and linear movement in one direction only. .
    • A. 

      Double-acting cylinder

    • B. 

      Piston cylinders

    • C. 

      Single-acting cylinder

    • D. 

      Short-stroke Cylinders

  • 2. 
    . Pneumatic __________ convert the energy in the compressed air into force and motion. The pneumatic drive elements can move in a linear, reciprocating or rotating motion. .
    • A. 

      Exhaust port.

    • B. 

      Annular area

    • C. 

      Drive elements

    • D. 

      Inlet port

  • 3. 
    The cylinder has two ports - a pressure inlet port and an exhaust port. The ______ (shaped like or forming a ring) of the cylinder is connected to the atmosphere.  
    • A. 

      Return spring.

    • B. 

      Cylinder Tube

    • C. 

      Annular area

    • D. 

      Cylinder Cover

  • 4. 
    An alternative construction is a __________ with a spring in the piston area causing the piston to extend. Such pistons are used in the automotive industry and these are mounted in the air brakes for vehicles and trains.  
    • A. 

      Single-acting cylinder, with return spring

    • B. 

      Single-acting cylinder, without return spring

    • C. 

      Double-acting cylinder, spring extend

    • D. 

      Single-acting cylinder, spring extend

  • 5. 
    Another special form of single-acting cylinders is ___________ in which the piston’s return stroke is caused by external forces or by its own weight.
    • A. 

      Single-acting cylinder, spring extend

    • B. 

      Single-acting cylinder, without return spring Single-acting cylinder, without return spring

    • C. 

      Double-acting cylinder, spring extend

    • D. 

      Single-acting cylinder, with return spring

  • 6. 
    Why is fluid power preferred in mobile vehicles? 1. Power can be transmitted without any delay 2. When overloaded, fluid power systems stop without damaging the components 3. Speed variation cannot be achieved 4. Fluid is non-compressible
    • A. 

      1 and 4

    • B. 

      2, 3 and 4

    • C. 

      1, 2 and 4

    • D. 

      1 and 2

  • 7. 
    How is power transmitted in fluid power systems?    
    • A. 

      Power is transmitted instantaneously

    • B. 

      Power is transmitted gradually

    • C. 

      Both a. and b.

    • D. 

      none of the above

  • 8. 
    Which of the following statements are true for accumulator used in hydraulic systems? 1. Accumulator stores fluid with pressure 2. Accumulator stores fluid without any pressure 3. Accumulator stores compressible liquid 4. Spring is used as an external source to keep the fluid under hydraulic pressure  
    • A. 

      1, 3 and 4

    • B. 

      2 and 3

    • C. 

      1 and 4

    • D. 

      2, 3 and 4

  • 9. 
    Which of the following logic valve is known as shuttle valve?  
    • A. 

      OR gate

    • B. 

      AND gate

    • C. 

      NOR gate

    • D. 

      NAND

  • 10. 
     What is the part, shown in below diagram of 3/2 valve, called? .
    • A. 

      Manually operated valve

    • B. 

      Pilot operated valve

    • C. 

      Pressure electric converter

    • D. 

      None of the above

  • 11. 
    What is a pressure sequence valve?  
    • A. 

      It is a combination of adjustable pressure relief valve and directional control valve

    • B. 

      It is a combination of nonadjustable pressure relief valve and directional control valve

    • C. 

      It is a combination of adjustable pressure reducing valve and check valve

    • D. 

      It is a combination of adjustable pressure reducing valve and flow control valve

  • 12. 
     In pneumatic systems, AND gate is also known as      
    • A. 

      Check valve

    • B. 

      Shuttle valve

    • C. 

      Dual pressure valve

    • D. 

      None of the above

  • 13. 
    Which of the following notations is used to represent a regulator unit?      
    • A. 

      3.0

    • B. 

      0.3

    • C. 

      3

    • D. 

      None of the above

  • 14. 
     Give significance of every digit used to denote a flow control valve 2.03 A. 3 denotes the forward movement B. 3 denotes the backward movement C. 2 denotes the cylinder number D. 2 denotes the flow control valve number  
    • A. 

      B and C

    • B. 

      A and C

    • C. 

      A and D

    • D. 

      B and D

  • 15. 
    Which area does the part shown below indicate?  
    • A. 

      Rod area

    • B. 

      Full bore area

    • C. 

      Annulus area

    • D. 

      None of the above

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