Category: Fluid Mechanics for Chemical

A. Gate
B. Butterfly
C. Needle
D. Globe

A. Above
B. Below
C. At
D. Either above or below; depends on the liquid density

A. Thickness only
B. Outer diameter only
C. Thickness & outer diameter both
D. Inner diameter

A. Globe valve
B. Gate valve
C. Needle valve
D. Butterfly valve

A. Long pipe at constant rate
B. Long pipe at decreasing rate
C. Expanding tube at increasing rate
D. Expanding tube at constant rate

A. Pipe becomes smoother with use
B. Friction factor increases linearly with time
C. Absolute roughness decreases with time
D. Absolute roughness increases linearly with time

A. Compressible fluids with shear
B. Compressible fluids with no shear
C. Incompressible fluids with shear
D. Incompressible fluids with no shear

A. In a static mass of liquid, the pressure at a point is the same for all liquids
B. Pressure decreases exponentially with elevation in an isothermal atmosphere
C. Atmospheric pressure = absolute pressure ‒ gage pressure
D. As per Pascal’s law, the pressure at a point in a static or uniformly moving fluid is equal in all
directions

A. Rate of velocity of liquid supply
B. Rate of flow through delivery pipeline of a pump
C. Intensity of pressure of the liquid
D. Momentum rate through delivery pipe

A. Amount of energy stored
B. Flow rate through accumulator
C. Rate of falling of ram
D. Volume available in the cylinder