A. Have the same diameter
B. Have different diameters
C. Are directly coupled
D. None of these
A. Increases the work done during delivery stroke
B. Decreases the work done during suction stroke
C. Does not change the work requirement of the pump
D. Increases the work done during suction stroke
A. Bingham
B. Newtonian
C. Perfect
D. None of these
A. Fluid friction is zero
B. Gravity force is less than the fluid friction
C. Pressure forces equal gravity forces
D. Sum of the fluid friction and pressure forces is equal and opposite to gravity forces
A. Keep the pipe in proper orientation
B. Make the pipe joint leak-proof
C. Account for contraction/expansion of pipe due to temperature changes of the surroundings
D. Account for the pressure variation side the pipeline
A. Pressure
B. Average velocity
C. Average flow rate
D. Point velocity
A. Monotonically decreases
B. Decreases and then increases
C. Remains constant
D. Increases and then decreases