Fluid Mechanics MCQs

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Practice free Fluid Mechanics multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 815 questions — no login required.

Question 55hard
The normal stress is the same in all directions at a point in a fluid, when the fluid is
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Question 56medium
Interstage coolers are provided in a multistage compressor to
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Question 57medium
Purpose of relief valve in a reciprocating pump is to
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Question 58medium
Function of air vessel provided in a reciprocating pump is to
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Question 59medium
The speed of sound in an ideal gas varies as the
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Question 60hard
The energy loss in flow through ven-turimeter is less than that through flow nozzle, because in case of a flow nozzle, the
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Question 61medium
Velocity at a certain point in case of streamline flow is
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Question 62hard
Bed pressure drop in an air fluidised bed of catalyst particles (ρp = 200 kg/m3, Dp = 0.05 cm) of 60 cm bed depth and bed porosity of 0.5 expressed in cm of water (manometer) is
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Question 63hard
In which type of fluid flow, the velocity of flow of fluid changes from point to point in the fluid at any instant?
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