A. Compressible
B. Non - compressible
C. Viscous
D. Non- viscous
Ans-: A
Q.2 The ratio of the mass of a body to the mass of an equal volume of a substance taken as a standard known as ___.
A. Kinematic viscosity
B. Relative density
C. Density
D. Viscosity
Ans-:B
Q.3 The rise or fall of a liquid in a capillary tube caused by the surface tension called ?
A. Rise of liquid
B. Fall of liquid
C. Capillarity
D. A+B
Ans-: C
Q.4 The fluid such as air for which the density is not a single-valued function of the pressure is known as ?
A. Barotropic fluid
B. Nonbarotropic fluid
C. Real fluid
D. Perfect fluid
Ans-:B
Q.5 Buoyant force is equal to _____.
A. Force exerted by body
B. Volume of liquid displaced
C. Force exerted in body
D. Weight of the body
Ans-: B
Q.6 Stanton tube is used to measure which of the following?
A. Shear strain
B. Shear stress in fluid
C. Shear strain in fluid
D. Pressure of fluid
Ans-: B
Q.7 What is the density of air ?
A. 11.2 kg/m^-3
B. 1.24 kg/m^3
C. 1.24 kg/m^-3
D. 12.4 kg/m^3
Ans-: C
Q.8 Whether stream function exists for which type of flow?
A. Uniform flow
B. One dimensional flow
C. Turbulent flow
D. Two dimensional flow
Ans-: D
Q.9 What is the value of density of mercury?
A. 1360 kg/m^-3
B. 13600 kg/m ^-3
C. 14000 kg/m^3
D. 13560 kg/m^-3
Ans-: B
Q.10 The square root of ratio inertia force to gravity force is called ?
A. Real number
B. Froude number
C. Reynolds number
D. None of these
Ans-: B
Q.11 When specific mass flow is not able to take place in a pipe line us called ?
A. More pressure in pipe line
B. Choking in pipe line
C. Disturbance in flow
D None of these
Ans-: B
Q.12 Maning's formula is used to measure?
A. Viscosity of fluid
B. Velocity if fluid in pipe
C. Pressure of fluid in a pipe
D. Surface tension
Ans-: B
Q.13 Velocity potential is which type of quantity.
A. Dimensional
B. Scalar
C. Non - scalar
D. None of the above
Ans-: B
Q.14 In open channel maximum velocity occurs at ______.
A. Center of the channel
B. Top of the channel
C. Near Bottom of the channel
D. First point of the channel
Ans-: C
Q.15 Velocity is zero at which point ?
A. Stagnation point
B. Triple point
C. Critical point
D. None of the above
Ans-: A
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