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-2 section-4

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

The pressure intensity in kN/m² (or kPa) at any point in a liquid is (where w = Specific weight of liquid and h = Depth of liquid from the surface)

A) w B) wh C) $$\frac{{\text{w}}}{{\text{h}}}$$ D) $$\frac{{\text{h}}}{{\text{w}}}$$

Discuss

Answer & Solution

Answer: Option B

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

The intensity of pressure at any point, in a liquid, is __________ to the depth of liquid from the surface.

A) Equal B) Directly proportional C) Inversely proportional D) None of these

Discuss

Answer & Solution

Answer: Option B

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

The increase in pressure at the outer edge of a drum of radius (r) completely filled up with liquid of density ($$\rho $$) and rotating at ($$\omega $$) rad/s is

A) $$\rho {\omega ^2}{{\text{r}}^2}$$ B) $$2\rho {\omega ^2}{{\text{r}}^2}$$ C) $$\frac{{\rho {\omega ^2}{{\text{r}}^2}}}{2}$$ D) $$\frac{{\rho {\omega ^2}{{\text{r}}^2}}}{4}$$

Discuss

Answer & Solution

Answer: Option C

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

The impeller of a centrifugal pump may have

A) Volute casing B) Volute casing with guide blades C) Vortex casing D) Any one of these

Discuss

Answer & Solution

Answer: Option D

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

For very great pressures, viscosity of moss gases and liquids

A) Remain same B) Increases C) Decreases D) Shows erratic behavior

Discuss

Answer & Solution

Answer: Option D

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

In a Kaplan turbine runner, the numbers of blades are generally between

A) 2 to 4 B) 4 to 8 C) 8 to 16 D) 16 to 24

Discuss

Answer & Solution

Answer: Option B

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

In a Francis turbine runner, the numbers of blades are generally between

A) 2 to 4 B) 4 to 8 C) 8 to 16 D) 16 to 24

Discuss

Answer & Solution

Answer: Option D

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

A nozzle is generally made of

A) Cylindrical shape B) Convergent shape C) Divergent shape D) Convergent-divergent shape

Discuss

Answer & Solution

Answer: Option B

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

The unit discharge through the turbine is

A) $$\frac{{\text{Q}}}{{\sqrt {\text{H}} }}$$ B) $$\frac{{\text{Q}}}{{\text{H}}}$$ C) $$\frac{{\text{Q}}}{{{{\text{H}}^{\frac{3}{2}}}}}$$ D) $$\frac{{\text{Q}}}{{{{\text{H}}^2}}}$$

Discuss

Answer & Solution

Answer: Option A

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

A vessel of 4 m³ contains oil which weighs 30 kN. The specific weight of the oil is

A) 4.5 kN/m³ B) 6 kN/m³ C) 7.5 kN/m³ D) 10 kN/m³

Discuss

Answer & Solution

Answer: Option C

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

1 2 3 4 5 6 7 8 9 10

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

Hydraulics And Fluid Mechanics MCQ Questions & Answers | Mechanical Engineering