Hydraulics & Pneumatics Test Questions


Q.  In a single casing, multistage pump running at constant speed, the capacity rating is to be slightly lowered. It can be done by_______________?

a. designing new impeller
b. trimming the impeller size to the required size by machining
c. not possible
d. some other alterations in the impeller
e. none of the above


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  Casting of a centrifugal pump is designed so as to minimize________________?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Guide angle as per the aerofoil theory of Kaplan turbine blade design is defined as the angle between_________________?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  The flow rate in gear pump___________________?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Reaction turbines are used for____________________?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  The angle of taper on draft tube is A. greater than 15° B. greater than 8° C. greater than 5° D. less than 8° E. less than 3°.___________________? The angle of taper on draft tube is
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  In axial flow fans and turbines, fluid enters and leaves as follows________________?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Air vessels in reciprocating pump are used to__________________?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  According to fan laws, at constant speed and capacity, the pressure and power vary_____________________?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Maximum impulse will be developed in hydraulic ram when ___________________?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  A hydraulic intensifier normally consists of __________________?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Hydraulic accumulator is used for____________________?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Puck up the wrong statement about centrifugal pump_______________?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Saving of work done and power by fitting an air vessel to double acting reciprocating pump is of the order of_______________?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  A hydraulic accumulator normally consists of________________?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  According to fan laws, at constant weight of air or gas, the speed, capacity and pressure vary________________?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  According to fan laws, for the fans having constant wheel diameters, the power demand varies_______________?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  According to fan laws, at constant pressure, the speed capacity and power vary_________________?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Pressure intensifier increases the pressure in proportion to____________________?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  According to fan laws, for fans having constant wheel diameter, the pressure varies________________?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Saving of work done and power by fitting an air vessel to single acting reciprocating pump is of the order of__________________?
Category: Mechanical Engineering Questions,   Published by: teswesm