A. Energy which it can store
B. Discharge which it can deliver
C. Liquid which it can store
D. None of these
Related Mcqs:
- Capacity of a hydraulic accumulator is defined in terms of maximum_____________________?
A. Amount of energy stored
B. Flow rate through accumulator
C. Rate of falling of ram
D. Volume available in the cylinder - A hydraulic accumulator comprises of__________________?
A. A storage device and a control valve
B. A cylinder and a plunger
C. Two pistons and two cylinders
D. A storage tank and a ram pump - Purpose of hydraulic accumulator is to_______________?
A. Ensure intermittent supply of hydraulic pressure
B. Increase the pressure and store/ accumulate it
C. Accumulate pressure to increase force
D. Generate high pressure to operate hydraulic machines like cranes, lifts, presses etc - Consider a centrifugal pump having a specific impeller diameter, fixed impeller speed pumping a liquid of constant density at a particular discharge capacity. With decrease in the capacity of the pump, the _______________ decreases?
A. NPSH required
B. BHP required by the pump
C. Head of the liquid pumped
D. All A., B. and C. - The pressure and power requirement of a gas fan at constant speed & capacity varies ____________ the gas density?
A. Directly as
B. Inversely as square root of
C. Inversely as
D. As square of - Capacity of a rotary gear pump can be varied by__________________?
A. Changing the speed of rotation
B. Bleeding air into suction
C. Bypassing liquid from the suction or discharge line
D. All A., B. and C. - The capacity of a centrifugal pump Can be increased by increasing the_________________?
A. Impeller diameter or speed
B. Number of pumps and joining them in series
C. Number of pumps and joining them in parallel
D. All A., B. and C. - In case of centrifugal fan or blower, the gas capacity varies as __________________?
A. Speed
B. (Speed)2
C. (Speed)3
D. (Speed)0.5 - For a specific centrifugal air blower operating at constant speed & capacity, the power requirement and pressure vary_______________?
A. Directly as square of gas density
B. Directly as gas density
C. Directly as square root of gas density
D. Inversely as gas density - Characteristic curves for a centrifugal pump plotted against its capacity is shown in the diagram. x, y and z denote respectively_______________?
A. Efficiency, head and B.H.P.
B. Head, efficiency and B.H.P.
C. B.H.P., efficiency and head
D. Efficiency, B.H.P. and head