Mechanical Engineering Mcqs
The horse power required in above case will be___________________?

A. Same
B. 0.75 b.h.p.
C. B.h.p./0.75
D. 1.5 b.h.p.

Motion of a liquid in a volute casing of a centrifugal pump is an example of____________________?

A. rotational flow
B. radial
C. forced spiral vortex flow
D. forced cylindrical vortex flow

Medium specific speed of a pump implies it is_________________?

A. Centrifugal pump
B. Mixed flow pump
C. Axial flow pump
D. Any one of the above

Indicator diagram of a reciprocating pump is a graph between________________?

A. Flow vs swept volume
B. Pressure in cylinder vs swept volume
C. Flow vs speed
D. Pressure vs speed

High specific speed of turbine implies it is__________________?

A. Propeller turbine
B. Francis turbine
C. Impulse turbine
D. Any one of the above

Casting of a centrifugal pump is designed so as to minimize________________?

A. Friction loss
B. Cavitation
C. Static head
D. Loss of kinetic energy

Guide angle as per the aerofoil theory of Kaplan turbine blade design is defined as the angle between_________________?

A. Lift and resultant force
B. Drag and resultant force
C. Lift and tangential force
D. Lift and drag