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 force exerted by the fluid in a hydraulic pump on the piston is 10 cm2, the fluid pressure on the piston is, in N/cm2

Question # 2

A high concentration of red blood cells increases its viscosity from

Question # 3

Where the streamlines are very far apart from each other, the pressure will be

Question # 4

The unit of viscosity is SI system is:

Question # 5

Bernoulli's equation is applicable for

Question # 6

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

Question # 7

The un-steady streamline flow is called

Question # 8

Deep water almost runs still when surface water flow in rivers. What does it explains

Question # 9

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?

Question # 10

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

Question # 11

How much force is required to slide one layer of the liquid over the other layer is measured by

Question # 12

Fluids resist force, This property is called

Question # 13

A body is floating in a liquid. The up thrust on the body is

Question # 14

In a surface tension experiment with a capillary tube water rises up to 0.1 m. if the same experiment is repeated on an artificial satellite, which is resolving around the earth, water will rise in the capillary tube up to a height of

Question # 15

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

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 When the velocity of a liquid flowing steadily in a tube increases, its pressure?
A. Decreases
B. Increases
C. Remains same
D. Zero
2 Internal friction of fluid is called
A. Surface tension
B. Viscosity
C. Resistance
D. Cohesive force
3 A body is floating in a liquid. The up thrust on the body is
A. Equal to weight of liquid displaced
B. Zero
C. Less than the weight of liquid displaced
D. Weight of body-weight of liquid displaced
4 Bernoulli's equation is based upon law of conversation of
A. mass
B. momentum
C. Energy
D. None
5 The internal pressure of the blood is
A. less than the external atmospheric pressure
B. greater than the external atmospheric pressure
C. equal to the external atmosphericpressure
D. none of them
6 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
7 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
8 Stoke;s law is not applicable when the speed of the object moving through a fluid is:
A. Zero
B. Small
C. Large
D. None of these
9 The _____ viscous the medium is _____, is the value of terminal velocity of the droplet:
A. More, lesser
B. Lesser, more
C. Both A and B
D. Lesser, lesser
10 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

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