# Hydraulics and Fluid Mechanics - Part 1 Online Exam Quiz

Hydraulics and Fluid Mechanics - Part 1 GK Quiz. Question and Answers related to Hydraulics and Fluid Mechanics - Part 1. MCQ (Multiple Choice Questions with answers about Hydraulics and Fluid Mechanics - Part 1

Options

A : 100 cm 3

B : 250 cm 3

C : 500 cm 3

D : 1000 cm 3

### The value of bulk modulus of a fluid is required to determine

Options

A : Reynold's number

B : Froude's number

C : Mach number

D : Euler's number

### In a depressed nappe

Options

A : the pressure below the nappe is atmospheric

B : the pressure below the nappe is negative

C : the pressure above the nappe is atmospheric

D : the pressure above the nappe is negative

### In one dimensional flow, the flow

Options

A : is steady and uniform

B : takes place in straight line

C : takes place in curve

D : takes place in one direction

### The kinematic viscosity is the

Options

A : ratio of absolute viscosity to the density of the liquid

B : ratio of density of the liquid to the absolute viscosity

C : product of absolute viscosity and density of the liquid

D : product of absolute viscosity and mass of the liquid

### The discharge over a right angled notch is (where H = Height of liquid above the apex of notch)

Options

A : C d 2 g x H

B : C d 2 g x H 3/2

C : C d 2 g x H 2

D : C d 2 g x H 5/2

Options

A : equal to.

B : less than

C : more than

D : -

Options

A : wH

B : wH /2

C : wH 2 /2

D : wH 2 /3

Options

A : 1%

B : 1.5%

C : 2%

D : 2.5%

### Coefficient of contraction is the ratio of

Options

A : actual velocity of jet at vena contracta to the theoretical velocity

B : loss of head in the orifice to the head of water available at the exit of the orifice

C : actual discharge through an orifice to the theoretical discharge

D : area of jet at vena contracta to the area of orifice

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