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Fluid Mechanics and Machinery MCQs: 238 Questions & Answers in Engineering

238 Fluid Mechanics and Machinery MCQs in Engineering with answers & explanations. Page 5. Practice objective questions for competitive exams, interviews & s… Use the answer toggle below to show or hide all solutions, tap an option to check one question, or open a question for its own page.

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Fluid Mechanics and Machinery MCQs: 238 Questions & Answers in Engineering

the relation between their specific volumes v1 and v2?

mark of one litre and weighed. The weight of the liquid is found to be 6.5 N. The specific weight of the liquid will be

A beaker is filled with a liquid up to the mark of one litre and weighed. The weight of the liquid is found to be 6.5 N. The specific gravity of the liquid will be

continuity equation is

mark of one litre and weighed. The weight of the liquid is found to be 6.5 N. The specific volume of the liquid will be

ρV→. dS→ is positive when

equation of mass conservation into the conservative integral form, which of these theorems is used?

Which of the following is true?

Hydraulic gradient line takes into consideration

Which of the following is true?

Which of the following is true?

The slope of HGL will be

For a nozzle, the vertical intercept between EGL and HGL

Which of the following is true?

between EGL and HGL

the pressure vary with the length of the pipe?

When a problem states “The velocity of the water flow in a pipe is 20 m/s”, which of the following velocities is it talking about?

Which of the factors primarily decide whether the flow in a circular pipe is laminar or turbulent?

How is Reynolds number defined as?

A circular pipe of radius 7 cm is used for water flow transmission. This pipe is moulded into another pipe with a square cross-section keeping the length same. (Ignore the thickness of the pipe). Calculate the hydraulic diameter of the moulded pipe. (Take π = 22/7).

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