Physics MCQs

852 MCQs  (Page 25 of 86)

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Ideal fluid is_______________?
A. Non-viscous
B. Incompressible
C. Steady flow
D. Possess all properties
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Which one is venturi relation ?
A. P1 – p2 = 1/2 ρv22
B. V2 = 2g (h1-h2)
C. P = 1 /2ρv2 = ρgh = constant
D. A1 v1 = a2 v2 = constant
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Laminar flow usually occurs at speeds_____________?
A. Low
B. High
C. Very high
D. Some time high and some time low
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Sphygmomanometers measures blood pressure ?
A. Statically
B. Dynamically
C. Some time static and sometimes dynamic
D. None of these
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The carburettor of a car is an application of_______________?
A. Venturi meter
B. Bernoulli equation
C. Both a and b
D. None
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Velocity of fluid increases where the pressure is________________?
A. Low
B. High
C. Constant
D. Changes continuously
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Speed of efflux can be determined by applying______________?
A. Bernoulli’s theorem
B. Torricelli’s theorem
C. Venture relation
D. All
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Blood vessels are______________?
A. Rigid
B. Not rigid
C. Of glass
D. Of rubber
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Concentration of red cells in blood is about______________?
A. 25%
B. 40%
C. 50%
D. 75%
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A man standing near a fast moving train may fall___________?
A. On the train
B. Away from the train
C. Towards the train
D. On himself
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Word of the Day
23 Jul
Aisle
a passage between rows of seats in a building such as a church or theatre, an aircraft, or train.
طویل تنگ راستہ، نشتوں کے درمیان راستہ

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