ECAT Pre Engineering Physics Chapter 6 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 6 Fluid Dynamics

Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 6 Fluid Dynamics

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Physics ECAT Pre Engineering Chapter 6 Fluid Dynamics

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Question # 1

Bernoulli's equation is based upon law of conservation

Question # 2

The study of fluid in motion basically involves law of conservation of:

Question # 3

The law of conservation of mass gives us the

Question # 4

The velocity of falling raindrop attains limited value because of

Question # 5

The dimensions of viscosity are:

Question # 6

Bernoulli's equation is important in the field of

Question # 7

The law of conservation of energy gives us

Question # 8

According to the Bernoulli's equation, where the speed of the fluid is high, the pressure will be

Question # 9

The rain drop falling from the sky reach the ground with

Question # 10

In deriving the Bernoulli's equation, we assume that the fluid is

Question # 11

A container has a small hole in the bottom. Air can go through this hole,but water cannot. This can be best explained by the statement that

Question # 12

The body will move with terminal velocity when it acquires

Question # 13

Fluid A is more viscous than fluid B. While flowing through a pipe of the same dimensions and material which fluid takes longer to travel at 25°C?

Question # 14

The value for systolic blood pressure for a normal healthy person is

Question # 15

The term Brownian movement refers to

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 The effect of friction between different layers of a flowing fluid is described in terms of
A. motion of fluid
B. nature of fluid
C. colour of fluid
D. viscosity of fluid
2 Ball pen functions on the principle of
A. Viscosity
B. Boyle's law
C. Gravitational force
D. Surface tnesion
3 According to the equation of continuity, when water falls from the tap, it's speed increases and its cross-sectional area
A. decreases
B. increases
C. becomes zero
D. none of them
4 N s m-2is unit of:
A. Drag force
B. Pressure
C. Surface tension
D. Coefficient of viscosity
5 The body passing a viscous medium affected by:
A. One force only
B. Two forces only
C. Four forces
D. None of these
6 Fluids have three types of energies. The Bernoulli's equation combines those energies.which of the following is one of the three enrgies possessed by a fluid?
A. potential energy
B. pressure energy
C. strain energy
D. (a) and (b) only
7 The velocity gained by the fluid in falling through the distance (h1 - h2) under the action of gravity is equal to the speed of the action of gravity is equal to the speed of the
A. orifices
B. efflux
C. fluid
D. none of them
8 The un-steady streamline flow is called
A. laminar flow
B. turbulent flow
C. both of them
D. none of them
9 The direction of the streamlines is the same as the direction of the
A. force
B. torque
C. velocity
D. weight
10 The velocity of falling raindrop attains limited value because of
A. Up trust of air
B. Viscous force exerted by air
C. Surface tension effect
D. Air currents atmosphere

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