Question 41 : Interia force falls under which flow similarity?
1. Geometric Similarity
2. Kinematic Similarity
3. Dynamic Similarity
4. Dimensionless number
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Question 42 : Length, Scale and Volume fall under which of the following flow similarity?
1. Geometric Similarity
2. Kinematic Similarity
3. Dynamic Similarity
4. Dimensionless number
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Question 43 : In the equation, ?.V=1/ v*D (v)/Dt, the term ?.V is _________
1. change in velocity
2. divergence of velocity
3. volume
4. velocity as a function of time
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Question 44 : What is a suitable flow model for a fluid?
1. Finite control volume approach
2. Infinitesimal fluid element approach
3. Molecular approach
4. All the three models can be used based on the need
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Question 45 : System and surrounding are both inter-related things.
1. True
2. False
3.
4.
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Question 46 : Surface forces includes _________
1. pressure and shear stress
2. point force
3. body force
4. gravity
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Question 47 : Continuity equation is one of the most fundamental equations in fluid dynamics.
1. True
2. False
3.
4.
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Question 48 : In which of the following does the shock wave form?
1. subsonic flow
2. transonic flow
3. supersonic flow
4. incompressible flow
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Question 49 : Which of the following flow is practically impossible in nature?
1. viscous flow
2. inviscid flow
3. laminar flow
4. turbulent flow
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Question 50 : Which of the following flow is best suited for space shuttle?
1. continuum flow
2. free molecular flow
3. turbulent flow
4. laminar flow
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