Hydraulics And Fluid Mechanics MCQ Questions & Answers

Learn Hydraulics And Fluid Mechanics MCQ questions & answers are available for a Mechanical Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Hydraulics And Fluid Mechanics MCQ question is the important chapter for a Mechanical Engineering and GATE students. Page-7 section-7

Each section contains 100 MCQs on Hydraulics and Fluid Mechanics in ME .

A hydraulic press has a ram of 15 cm diameter and plunger of 1.5 cm. It is required to lift a weight of 1 tonne. The force required on plunger is equal to

A) 10 kg B) 100 kg C) 1000 kg D) 1 kg

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Specific weight of water in S.I. units is equal to

A) 1000 N/m³ B) 10000 N/m³ C) 9.81 × 10³ N/m³ D) 9.81 × 10⁶ N/m³

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Answer & Solution

Answer: Option C

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The specific weight of water in S.I. units is taken as

A) 9.81 kN/m³ B) 9.81 × 10³ kN/m³ C) 9.81 × 10^-6 N/mm³ D) Any one of these

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Answer & Solution

Answer: Option D

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A flow is called super-sonic if the

A) Velocity of flow is very high B) Discharge is difficult to measure C) Mach number is between 1 and 6 D) None of these

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Answer & Solution

Answer: Option C

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One liter of water occupies a volume of

A) 100 cm³ B) 250 cm³ C) 500 cm³ D) 1000 cm³

Discuss

Answer & Solution

Answer: Option D

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The variation in the volume of a liquid with the variation of pressure is called its

A) Surface tension B) Compressibility C) Capillarity D) Viscosity

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Answer & Solution

Answer: Option B

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The unit of surface tension is

A) N/m B) N/m² C) N/m³ D) N-m

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Answer & Solution

Answer: Option A

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Unit of surface tension is

A) Energy/unit area B) Velocity/unit area C) Both of the above D) It has no units

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Answer & Solution

Answer: Option A

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Hydrometer is used to determine

A) Specific gravity of liquids B) Specific gravity of solids C) Specific gravity of gases D) Relative humidity

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Answer & Solution

Answer: Option A

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The units of dynamic or absolute viscosity are

A) Metres² per sec B) Kg-sec per meter C) Newton-sec per meter D) Newton-sec² per meter

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

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Hydraulics And Fluid Mechanics MCQ Questions &amp; Answers | Mechanical Engineering

Hydraulics And Fluid Mechanics MCQ Questions & Answers | Mechanical Engineering