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Mechanical Engineering MCQs
Mechanical Engineering MCQs
2075 MCQs (Page 174 of 208)
Attempt Mechanical Engineering Mcqs Quiz
Kinematic viscosity is dependent upon__________________?
A. pressure
B. distance
C. level
D. flow
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Increase in pressure at the outer edge of a drum of radius R due to rotation at corad/sec, full of liquid of density p will be___________________?
A. Pco2/?2
B. Pco2/?2/2
C. 2pa2r2
D. Pa2r/2
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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
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Dimensions of surface tension are___________________?
A. Mll°t2
B. Mll°tx
C. Mll r2
D. Mll2t2
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A liquid compressed in 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
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Which of the following meters is not associated with viscosity____________________?
A. Red wood
B. Say bolt
C. Engler
D. Orsat
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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
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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
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A fluid in equilibrium can’t sustain____________________?
A. Tensile stress
B. Compressive stress
C. Shear stress
D. Bending stress
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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
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Undesirable
not wanted or desirable because harmful, objectionable, or unpleasant.
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