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

The product of cross-sectional area of the pipe and the fluid speed at any point along the pipe is called

Question # 2

When the velocity of a liquid flowing steadily in a tube increases, its pressure?

Question # 3

N s m-2is unit of:

Question # 4

The resistance offered by a fluid to a solid moving inside it is called:

Question # 5

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

Question # 6

The smooth or steady stream-line flow is know as

Question # 7

Bernoulli's equation is based upon law of conversation

Question # 8

The law of conservation of mass gives us the

Question # 9

Which of the following options states the names of fluids in the order of increasing viscosity?

Question # 10

When a fluid is in motion, its flow can be considered as

Question # 11

When the droplet moves with terminal velocity in a fluid, the net force acting on the droplet is:

Question # 12

Blood has a density

Question # 13

An object moving through a fluid experiences a retarding force called a

Question # 14

In a normal healthy person the value of systolic pressure is

Question # 15

Fire fighters have jet attached to the head of their water pipes in order to

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 Under normal circumstances, the volume of blood is sufficient to keep the vessels
A. flatted for all times
B. inflated for all times
C. inflated for small times
D. none of them
2 Pressure exerted by a gas on the walls of its container in due to
A. adhesion between the gas molecules and the container
B. cohesion between the gas molecules and the container
C. collision between the gas molecules and the container
D. surface tension of the gas
3 When the speed of a body in a fluid increases then the drag force
A. decreases
B. becomes zero
C. increases
D. non of them
4 The law of conservation of energy gives us
A. equation of continuity
B. Bernoulli's theorem
C. both of them
D. none of them
5 According to Stoke's law, drag force depends on
A. Initial velocity
B. Final velocity
C. Terminal velocity
D. Instantaneous velocity
6 The analysis of fluid motion becomes simplified by using
A. law of conservation
B. law of conservation of energy
C. both of them
D. none of them
7 Drag force increases if speed of the object moving through the fluid:
A. Increases
B. Decreases
C. Remains constant
D. None of these
8 The flow of an ideal fluid is
A. streamline flow
B. incompressible flow
C. non-viscous
D. all of the above
9 A fluid at a certain point has 50 J of potential energy per unit volume, 75 J of kinetic energy per unit volume,and 35 J of pressure energy per unit volume. the total energy of the fluid is
A. 125 J
B. 90 J
C. 160 J
D. 85 J
10 Which of the following options correctly states the equation of continuity for an ideal fluid?
A. A1A2= V1V2
B. A1/A2= V2/V1
C. A1/A2= V1/V2
D. none of the above

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