Theoretical power required (in watts) to drive a reciprocating pump is (where w = Specific weight of liquid to be pumped in N/m³, Q = Discharge of the pump in m³/s, H_s = Suction head in meters and H_d = Delivery head in meters)

A flow in which the quantity of liquid flowing per second is constant, is called __________ flow.

A. Steady

B. Streamline

C. Turbulent

D. Unsteady

The Cipoletti weir is a __________ weir.

A. Rectangular

B. Triangular

C. Trapezoidal

D. Circular

A hydraulic ram is a device used to

A. Store the energy of water

B. Increase the pressure of water

C. To lift water from deep wells

D. To lift small quantity of water to a greater height when a large quantity of water is available at a smaller height

According to the principle of buoyancy a body totally or partially immersed in a fluid will be lifted up by a force equal to

A. The weight of the body

B. More than the weight of the body

C. Less than the weight of the body

D. Weight of the fluid displaced by the body