Hello Diploma Students in this article we have provided Hydraulics Mcq Questions With Answer. In this Hydraulics objective Questions and Answers We have Selected 25 Important Questions from Previous Year Papers and Made A possible Set pf Questions which can Help Students in Preparation for Their Exams.

This Hydraulics objective Questions & Answer Is Ideal for Candidates who are in 2nd Year of Diploma in Civil Engineering By Referring this Hydraulics Mcqs Questions Diploma in Civil Engineering Students Can Practice for their Upcoming Exams. We Have Also Provided Mcq on Hydraulics Questions and Answers pdf Link at the end of the Quiz You can Download it for Future Refrence.

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Hydraulics Mcq Questions and Answer

1) For very great pressures, viscosity of moss gases and liquids
A) remains same
B) increases
C) decreases
D) shows erratic behavior
E) None of the above.

Correct!

Wrong!

2) A fluid in equilibrium can’t sustain
A) tensile stress
B) compressive stress
C) shear stress
D) bending stress
E) All of the above.

Correct!

Wrong!

3) Viscosity of water in comparison to mercury is
A) higher
B) lower
C) same
D) higher/lower depending on temperature
E) unpredictable.

Correct!

Wrong!

4) The bulk modulus of elasticity with increase in pressure
A) increases
B) decreases
C) remains constant
D) increases first up to certain limit and then decreases
E) unpredictable.

Correct!

Wrong!

5) The bulk modulus of elasticity
A) has the dimensions of 1/pressure
B) increases with pressure
C) is large when fluid is more compressible
D) is independent of pressure and viscosity
E) is directly proportional to flow.

Correct!

Wrong!

6) A balloon lifting in air follows the following principle
A) law of gravitation
B) Archimedes principle
C) principle of buoyancy
D) all of the above
E) continuity equation

Correct!

Wrong!

7) The value of the coefficient of compressibility for water at ordinary pressure and temperature in kg/cm  is equal to
A) 1000
B) 2100
C) 2700
D) 10,000
E) 21,000

Correct!

Wrong!

8) The increase of temperature results in
A) increase in viscosity of gas
B) increase in viscosity of liquid
C) decrease in viscosity of gas
D) decrease in viscosity of liquid
E) A) and D) above.

Correct!

Wrong!

9) Surface tension has the units of
A) newtons/m
B) newtons/m
C) new tons/m
D) newtons
E) Newton m.

Correct!

Wrong!

10) Surface tension
A) acts in the plane of the interface normal to any line in the surface
B) is also known as capillarity
C) is a function of the curvature of the interface
D) decreases with fall in temperature
E) has no units.

Correct!

Wrong!

11) The stress-strain relation of the newtonian fluid is
A) linear
B) parabolic
C) hyperbolic
D) inverse type
E) None of the above

Correct!

Wrong!

12) A liquid compressed in a cylinder has a volume of 0.04 m3 at 50 kg/cm2 and a volume of 0.039 m3 at 150 kg/cm2. The bulk modulus of elasticity of liquid is
A) 400 kg/cm2
B) 4000 kg/cm2
C) 40 x 105 kg/cm2
D) 40 x 106 kg/cm2
E) None of the above

Correct!

Wrong!

13) The units of viscosity are
A) meters 2 per sec
B) kg sec/metre
C) newton-sec per meter2
D) newton-sec per meter
E) None of the above

Correct!

Wrong!

14) Kinematic viscosity is dependent upon
A) pressure
B) distance
C) level
D) flow
E) density.

Correct!

Wrong!

15) Units of surface tension are
A) energy/unit area
B) distance
C) both of the above
D) it has no units
E) All of the above.

Correct!

Wrong!

16) Which of the following meters is not associated with viscosity
A) Red wood
B) Say bolt
C) Engler
D) Orsat

Correct!

Wrong!

17) Choose the correct relationship
A) specific gravity = gravity x density
B) dynamic viscosity = kinematic viscosity x density
C) gravity = specific gravity x density
D) kinematic viscosity = dynamic viscosity x density
E) hydrostatic force = surface tension x gravity.

Correct!

Wrong!

18) Dimensions of surface tension are
A) MlL°T2
B) MlL°Tx
C) MlL r2
D) MlL2T2
E) MlL°t.

Correct!

Wrong!

19) For manometer, a better liquid combination is one having
A) higher surface tension
B) lower surface tension
C) surface tension is no criterion
D) high density and viscosity
E) low density and viscosity.

Correct!

Wrong!

20) If mercury in a barometer is replaced by water, the height of 3.75 cm of mercury will be following cm of water
A) 51 cm
B) 50 cm
C) 52 cm
D) 52.2 cm
E) 51.7 cm.

Correct!

Wrong!

21) Turbines are used for Pressure generation
A) True
B) False

Correct!

Wrong!

22) Pumps are used for Electricity generation.
A) True
B) False

Correct!

Wrong!

23) Turbine is used to extract energy from fluid flow.
A) True
B) False

Correct!

Wrong!

24) A pump increases the energy of the fluid stream
A) True
B) False

Correct!

Wrong!

25) The force exerted by the static fluid on the surface in contact with the fluid is called total pressure.
A) True
B) False

Correct!

Wrong!

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