Question 31 : Conservation of energy is based on which law of thermodynamics?
1. First law of thermodynamics
2. Second law of thermodynamics
3. Zeroth law of thermodynamics
4. Third law of thermodynamics
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Question 32 : If the system is in steady state, it is in an equilibrium state.
1. True
2. False
3.
4.
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Question 33 : When Reynold's number limits to infinity, inviscid flow is approached.
1. True
2. False
3.
4.
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Question 34 : The equation which results in the change in pressure with change in the vertical height is called as __________
1. energy equation
2. momentum equation
3. continuity equation
4. hydrostatic equation
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Question 35 : Which of the flowing is an example of incompressible flow?
1. gas
2. sponge
3. water
4. gel
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Question 36 : For an incompressible flow, the mass continuity equation changes to ________
1. energy equation
2. momentum equation
3. volume continuity equation
4. remains same
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Question 37 : The quantity specifying the flow or motion is termed as _________
1. Density
2. Flux
3. Field
4. Electrostatic force
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Question 38 : Continuity equation is related to _______
1. Mass conservation
2. Energy conservation
3. Momentum conservation
4. Velocity change
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Question 39 : Centre of pressure is defined as the point on the body where the resultant forces acts.
1. True
2. False
3.
4.
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Question 40 : Which of the following can attribute the flow of jet of oil in an unbroken stream?
1. Capillarity
2. Surface tension
3. Temperature
4. Density
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