Top 1000+ Solved Fluid Mechanics (FM) MCQ Questions Answer

a. discharge

b. velocity of gas

c. pressure intensity of gas

d. pressure intensity of liquid

a. 0.611

b. 0.85

c. 0.98

d. 1.00

a. current meter

b. venturimeter

c. pitot tube

d. hotwire anemometer

a. The pressure intensity at vena contracta is atmospheric.

b. Contraction is least at vena contracta.

c. Stream lines are parallel throughout the jet at vena contracta.

d. Coefficient of contraction is always less than one.

a. pipe diameter

b. throat diameter

c. angle of diverging section

d. both pipe diameter as well as throat diameter

a. 5%

b. 10%

c. 15%

d. 20%

a. H1/2

b. H3’2

c. H5/2

d. H5’4 where H is hea

a. Coefficient of contraction of a venturimeter is unity.

b. Flow nozzle is cheaper than venturimeter but has higher energy loss.

c. Discharge is independent of orientation of venturimeter whether it is horizontal, vertical or inclined.

d. None of the above statement is correct.

a. is independent of Reynolds number

b. decreases with higher Reynolds number

c. is equal to the coefficient of discharge of venturimeter

d. none of the above

a. equal to atmospheric

b. less than atmospheric

c. more than atmospheric

d. none of the above

a. velocity

b. discharge

c. head

d. pressure

a. 0.611

b. 0.707

c. 0.855

d. 1.00

a. slightly less

b. slightly more

c. nearly half

d. equal

a. sudden enlargement

b. sudden contraction

c. gradual contraction or enlargement

d. friction

a. 1.00

b. 0.855

c. 0.7H

d. 0.611