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Dear candidates you will find MCQ questions of Hydraulics here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.

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Q. 21) "The intensity of pressure at any point in a fluid at rest, is same in all directions". This is statement of

(A) Pascal’s law
(B) Continuity equation
(C) Bernoulli’s equation
(D) Darcy’s law
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Q. 22) The force exerted by a statue fluid on a surface either plane or curved when the fluid comes in contact with the surface is called,

(A) total pressure
(B) center of pressure
(C) all
(D) none
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Q. 23) The force exerted by a statue fluid on a surface either plane or curved when the fluid comes in contact with the surface.

(A) total pressure
(B) center of pressure
(C) all
(D) none
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Q. 24) The centre of pressure lies below the centre of gravity of the immersed surface.

(A) true
(B) false
(C) all
(D) none
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Q. 25) From following, which is correct?

(A) F = w A h
(B) F = w A ̅
(C) F = w A h*
(D) all of the above
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Q. 26) “In a steady, ideal flow of an incompressible fluid, the total energy at any point of the fluid is constant." This is statement of

(A) Pascal’s law
(B) Continuity equation
(C) Bernoulli’s equation
(D) Darcy’s law
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Q. 27) The Bernoulli’s equation is

(A) P1 = P2 = P3
(B) V1 A1 = V2 + A2
(C) E = Z + (V2/ 2g)+ (p /w)
(D) Z1 + P1/w + V12/2g = Z2 + P2/w + V22 /2g
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Q. 28) Application of Bernoulli’s Equation is

(A) Orifice meter
(B) Prandtl tube
(C) Venturi flume
(D) All of the above
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Q. 29) In converging cone area gradually __________ and hence velocity _____________.

(A) increase, increase
(B) increase, decrease
(C) decrease, increase
(D) decrease, decrease
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Q. 30) The angle of converging cone is about

(A) 2.5°
(B) 7°
(C) 7.5°
(D) 20°
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