Mechanical Engineering MCQs

2075 MCQs  (Page 161 of 208)

Attempt Mechanical Engineering Mcqs Quiz
Alcohol is used in manometer, because____________________?
A. Its vapour pressure is low
B. It provides suitable meniscus for the inclined tube
C. Its density is less
D. It provides longer length for a given pressure difference
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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
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The density of water is 1000 kg/m3 at__________________?
A. 0°c
B. 0°k
C. 4°c d. 20°c
E. All temperature
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The ratio of absolute viscosity to mass density is known as_________________?
A. Specific viscosity
B. Viscosity index
C. Kinematic viscosity
D. Coefficient of viscosity
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Specific weight of sea water is more that of pure water because it contains_________________?
A. Dissolved air
B. Dissolved salt
C. Suspended matter
D. All of the above
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Alcohol is used in manometers because___________________?
A. It has low vapour pressure
B. It is clearly
C. It has low surface tension
D. It can provide longer column due to low density
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Free surface of a liquid tends to contract to the smallest possible area due to force of_______________?
A. Surface tension
B. Viscosity
C. Friction
D. Cohesion
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Falling drops of water become spheres due to the property of ____________________?
A. Adhesion
B. Cohesion
C. Surface tension
D. Viscosity
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The buoyancy depends on___________________?
A. Mass of liquid displaced
B. Viscosity of the liquid
C. Pressure of the liquid displaced
D. Depth of immersion
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The total pressure on the surface of a vertical sluice gate 2 m x 1 m with its top 2 m surface being 0.5 m below the water level will be ________________?
A. 500 kg
B. 1000 kg
C. 1500 kg
D. 2000 kg
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Word of the Day
28 Sep
Expatriate
a person who lives outside their native country.
ملک بدری، جلا وطن کرن، شہر بدر کرنا

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