A mono pump is a __________ pump ?
A mono pump is a __________ pump ?
A. Centrifugal
B. Piston
C. Positive acting rotary
D. A group of vacuum
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The percentage slip in a reciprocating pump set is given by the % of (where, Q1 = actual discharge Q2 = theoretical discharge) ?
The percentage slip in a reciprocating pump set is given by the % of (where, Q1 = actual discharge Q2 = theoretical discharge) ?A. Q1/Q2
B. Q2/Q1
C. (Q2 – Q1)/Q1
D. (Q2 – Q1)/Q2Fluid flow at increasing rate through a diverging pipe is an example of ______________ flow?
Fluid flow at increasing rate through a diverging pipe is an example of ______________ flow?A. Steady uniform
B. Non-steady uniform
C. Steady non-uniform
D. Non-steady non-uniformIn case of unsteady fluid flow, conditions & flow pattern change with the passage of time at a position in a flow situation. Which of the following is an example of unsteady flow ?
In case of unsteady fluid flow, conditions & flow pattern change with the passage of time at a position in a flow situation. Which of the following is an example of unsteady flow ?A. Discharge of water by a centrifugal pump being run at a constant rpm
B. Water flow in the suction and discharge pipe of a reciprocating pump
C. Water discharge from a vertical vessel in which constant level is maintained
D. Low velocity flow of a highly viscous liquid through a hydraulically smooth pipeDrag is the force component exerted on an immersed object, ?
Drag is the force component exerted on an immersed object, ?A. Passing the centroid of the body at 60°to the direction of motion
B. The component being parallel to the flow direction
C. The component being normal to the flow direction
D. None of theseIn case of a centrifugal pump, the ratio of total delivered pressure to pressure developed with the impeller is called the _____________ efficiency?
In case of a centrifugal pump, the ratio of total delivered pressure to pressure developed with the impeller is called the _____________ efficiency?A. Manometric
B. Mechanical
C. Volumetric
D. OverallMass velocity is independent of temperature & pressure, when the flow is______________________?
Mass velocity is independent of temperature & pressure, when the flow is______________________?A. Unsteady through unchanged cross-section
B. Steady through changing cross-section
C. Steady and the cross-section is unchanged
D. Unsteady and the cross-section is changed