Hydraulics & Pneumatics Test Questions

Q.  In industrial applications hydraulic fluids have viscosity grade ranging from

a. 20 to 50
b. 70 to 95
c. 46 to 68
d. 15 to 44


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  The total energy developed by the hydraulic oil in a system is given as
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  If a pump gives higher flow rate to the valve then, pressure drop in the valve
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  In Reynolds number (ρvd) / μ, the letter μ denotes
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  The ratio of inertia force to viscosity is known as
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  The Reynolds number for laminar flow is
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  What is the advantage of internal gear pump?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  The rotation of which inner element causes the liquid to pump out in centrifugal pumps?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Which force causes vanes to come out of the rotor slots?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Which of the following statements is true?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  What is the advantage of flexible vane pump?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Cartridge kits generate pumping chambers of various sizes, which
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Which of the following statements is false for vane pumps?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Balanced vane pumps are designed to have
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Cam ring of unbalanced vane pump is
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  In pressure compensated vane pump, 1. having variations in eccentricity between rotor and cam ring gives variable displacement 2. as eccentricity between rotor and cam decreases, flow of fluid decreases 3. as eccentricity between rotor and cam decreases, flow of fluid increases 4. having variations in eccentricity between rotor and cam ring gives fixed displacement
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Variable displacement pumps used in hydraulic applications can 1. have variable flow rate 2. consume less energy 3. be operated with high accuracy for slow and rapid motion 4. generate more heat
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Which type of displacement is observed in gear pumps?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  What is the principle of operation used in gear pumps?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  What causes suction of fluid into the gear pump?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  How is the smooth and continuous discharge of fluid achieved in a gear pump?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts