Top 1000+ Solved Fluid Mechanics (FM) MCQ Questions Answer
Q. The head loss at the entrance of the pipe is that at it’s exit
a. equal to
b. half
c. twice
d. four times View Answer
Q. On which of the factors does the co-efficent of bend in a pipe depend?
a. angle of bend and radius of curvature of the bend
b. angle of bend and radius of the pipe
c. radius of curvature of the bend and pipe
d. radius of curvature of the bend and pipe and angle of bend View Answer
Q. The liquid flowing through a series of pipes can take up__________
a. Pipes of different diameters
b. Pipes of the same diameters only.
c. Single pipe only
d. Short pipes only View Answer
Q. What is the total loss developed in a series of pipes?
a. Sum of losses in each pipe only
b. Sum of local losses only
c. Sum of local losses plus the losses in each pipe
d. Zero View Answer
Q. The total head loss for the system is equal to_________
a. Pipe length
b. Pipe diameter
c. Width of the reservoir
d. Height difference of reservoirs View Answer
Q. Which among the following is not a loss that is developed in the pipe?
a. Entry
b. Exit
c. Connection between two pipes
d. Liquid velocity View Answer
Q. Which among the following is the correct formula for head loss?
a. Z1-Z2
b. C
c. T2-T1
d. S2-S1 View Answer
Q. If the two reservoirs are kept at the same level, the head loss is _______
a. Z1-Z2
b. Zero
c. T2-T1
d. S2-S1
Q. How do we determine the total discharge through parallel pipes?
a. Add them.
b. Subtract them
c. Multiply them
d. Divide them View Answer
Q. The pipe diameter is ________
a. Directly proportional to fluid density
b. Directly proportional to mass flow rate
c. Inversely proportional to mass flow rate
d. Directly proportional to fluid velocity View Answer
Q. Coefficient of friction of a laminar flow is_________
a. Re/16
b. Re/64
c. 16/Re
d. 64/Re View Answer
Q. Shear stress in static fluid is
a. always zero
b. always maximum
c. between zero to maximum
d. unpredictable
Q. The specific weight of the fluid depends upon
a. gravitational acceleration
b. mass density of the fluid
c. both a. and b.
d. none of the above
Q. The rate of increase of velocity with respect to change in the position of fluid particle in a flow field is called as
a. local acceleration
b. temporal acceleration
c. convective acceleration
d. all of the above