Mechanical Engineering MCQs

2075 MCQs  (Page 175 of 208)

Attempt Mechanical Engineering Mcqs Quiz
A perfect gas____________________?
A. has constant viscosity
B. has zero viscosity
C. is in compressible
D. is of theoretical interest
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The tendency of a liquid surface to contract is due to the following property_____________?
A. Cohesion
B. Adhesion
C. Viscosity
D. Surface tension
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Specific weight of water in S.I. units is equal to ________________?
A. 1000 n/m3
B. 10000 n/m3
C. 9.81 xlo3 n/m3
D. 9.81 xlo6n/m3
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Mercury does not wet glass. This is due to property of liquid known as__________________?
A. Adhesion
B. Cohesion
C. Surface tension
D. Viscosity
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Liquids_________________?
A. cannot be compressed
B. occupy definite volume
C. are not affected by change in pressure and temperature
D. are not viscous
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The value of mass density in kgsecVm4 for water at 0°C is_________________?
A. 1
B. 1000
C. 100
D. 101.9
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In a static fluid ___________________?
A. Resistance to shear stress is small
B. Fluid pressure is zero
C. Linear deformation is small
D. Only normal stresses can exist
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An ideal flow of any fluid must fulfill the following____________________?
A. Newton’s law of motion
B. Newton’s law of viscosity
C. Pascal’ law
D. Continuity equation
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Bell metal contains_____________________?
A. 70% copper and 30% zinc
B. 90% copper and 10% tin
C. 85-92% copper and rest tin with little lead and nickel
D. 70-75% copper and rest tin
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Aluminium bronze contains aluminium and copper in the ratio of___________________?
A. 50 : 50
B. 40 : 60
C. 60 : 40
D. 10 : 90
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Word of the Day
27 Sep
Undesirable
not wanted or desirable because harmful, objectionable, or unpleasant.
غیر مطلوب، ناروا، نامناسب

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