**1021. An ideal fluid is :**

**A. Frictionless and incompressible ***

B. One which complies with Newton’s law of consistency

C. Highly viscous

D. None of these

**1022. Steady flow occurs when :**

A. Conditions change steadily with time

B. At any given time, the conditions are the same at the adjacent locations.**C. Conditions don’t change with time anytime ***

D. The rate of change in velocity remains constant.

**1023. Discharge (FT3/Sec) from a 24 inch pipe of water at 10 Ft/Sec will be ______ Ft3/Sec.**

A. 7.65

B. 32.36

C. 48.22**D. 125.6 ***

**1024. Bernoulli’s equation describes :**

**A. Mechanical Energy balance in likely stream ***

B. Kinetic Energy balance in laminar flow

C. Mechanical Energy balance in turbulent flow

D. Mechanical Energy balance in boundary layer

**1025. The Kinetic Energy correction factor for laminar flow’s velocity distribution is:**

A. 0.5 **B. 1.66 ***

C. 1

D. 2

**1026. The following is the momentum correction factor for the laminar flow velocity distribution:**

A. 1.3

B. 1.66

C. 2.5**D. None of these ***

**1027. The loss due to sudden contraction is proportional to :**

A. Velocity**B. Velocity head ***

C. Turbulence

D. None of these

**1028. The value of critical Remolds number for pipe flow is :**

**A. 1,300 ***

B. 10,000

C. 100,000

D. None of these

**1029. The Reynolds number for a water stream traveling at room temperature through a pipe with a diameter of 2 cm and a typical speed of 5 cm/sec is round.:**

A. 2,000

B. 10

C. 100**D. 1000 ***

**1030. Shear stress in a fluid flowing in a round pipe :**

A. Varies parabolically across the cross section

B. Remains constant over the cross section**C. Has a center value of zero and a linear relationship with the radius ***

D. Is zero at the wall and goes up in a straight line to the center.