Hydraulics & Pneumatics Test Questions


Q.  Which of the following statements is/are false?

a. air is non-compressible
b. less power is developed in fluid power systems than conventional systems
c. mechanical linkages used for load handling purposes have high efficiency
d. all of the above


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  In single acting hydraulic cylinders, the piston comes back to its original position due to
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Check valve is a type of
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  A pressure relief valve can be
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Which of the following statements are true for throttle valve? 1. Reverse flow of fluid is not possible 2. Input pressure for a throttle valve is more than output pressure 3. The actuator speed can be reduced by a throttle valve 4. Correct flow control valve for a particular application can be selected on the basis of pressure drop specified
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  How is reverse flow possible in pilot operated check valve?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  What is the difference between pressure relief valve and pressure reducing valve?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Accumulator used in gas charged accumulator is
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  What is the function of pressure switch?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Intensifier used in pneumatic systems has output pressure
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  What is the function of unloading relief valve and can it be used as an accessory for accumulators?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Cylinder has a bore area of 300 cm 2 and velocity of 180 cm/min. Calculate the flow rate of a pump
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Which of the following statements is true, for two pumps used in circuit when initially fast operation is performed to reach a job and feeding operation is done at a slow speed?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  What are different operations performed by PLC's?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Which of the following pumps saves more power?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  What is the advantage of PLC?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  What is difference between regulator and pressure switch?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Mass of water vapour in unit volume of air is known as
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Which valve is also known as memory valve?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  What is the difference between signal air and control air?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Which of the following is used to sense the initial and final positions of a piston rod?
Category: Mechanical Engineering Questions,   Published by: teswesm