Top 1000+ Solved Fluid Mechanics (FM) MCQ Questions Answer
Q. The length of the divergent cone in a Venturimeter is __________ that of the convergent cone.
a. Equal to
b. Double
c. Three to four times
d. Five to six times
Q. The stress-strain relation of the Newtonian fluid is
a. Linear
b. Parabolic
c. Hyperbolic
d. Inverse type
Q. The viscosity of a liquid __________ its rate of flow through a hole in a vessel.
a. Effects
b. Does not effect
c. Both A and B
d. None of these
Q. The units of dynamic or absolute viscosity are
a. Metres² per sec
b. kg sec/meter
c. Newton-sec per meter
d. Newton-sec² per meter
Q. A flow in which the volume of a fluid and its density does not change during the flow is called_________ flow.
a. Incompressible
b. Compressible
c. Viscous
d. None of these
Q. The weight per unit volume of a liquid at a standard temperature and pressure is called
a. Specific weight
b. Mass density
c. Specific gravity
d. None of these
Q. The flow of water through the hole in the bottom of a wash basin is an example of
a. Steady flow
b. Uniform flow
c. Free vortex
d. Forced vortex
Q. A flow whose streamline is represented by a curve, is called
a. One-dimensional flow
b. Two-dimensional flow
c. Three-dimensional flow
d. Four-dimensional flow
Q. The value of coefficient of discharge is __________ the value of coefficient of velocity.
a. Less than
b. Same as
c. More than
d. None of these
Q. A fluid whose viscosity does not change with the rate of deformation or shear strain is known as
a. Real fluid
b. Ideal fluid
c. Newtonian fluid
d. Non-Newtonian fluid
Q. Flow occurring in a pipeline when a valve is being opened is
a. Steady
b. Unsteady
c. Laminar
d. Vortex
Q. A point, in a compressible flow where the velocity of fluid is zero, is called
a. Critical point
b. Vena contracta
c. Stagnation point
d. None of these