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

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

Question # 2

When a water droplet falling freely through air, the drag force on water droplet increases with th

Question # 3

At low speeds, the drag force is

Question # 4

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

Question # 5

Blood is an

Question # 6

The drag force acting on a spherical droplet of radius 10-5m moving with a velocity of 1 cm/sec in a fluid of velocity 5.31 x 10-7m/sec. The units comes out to be:

Question # 7

High speed meteors rushing through air reduces to ashes because of:

Question # 8

According to Stoke's law, drag force depends on

Question # 9

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

Question # 10

A flowing liquid possess

Question # 11

The velocity of falling raindrop attains limited value because of

Question # 12

The dimensions of viscosity are:

Question # 13

A massive object falls through a fluid:

Question # 14

In a container having water filled up to a height h, a hole is made in the bottom. The velocity of water flowing out of the hole is

Question # 15

The direction of the streamlines is the same as the direction of the

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 In the case of an incompressible fluid in stead flow the net rate of flow of mass entering one end of the tube of flow is equal to the net rate of flow of mass leaving the other end. This equation is called
A. Quadratic equation
B. Equation of discontinuity
C. Equation of continuity
D. None of the above
2 When the velocity of a liquid flowing steadily in a tube increases, its pressure?
A. Decreases
B. Increases
C. Remains same
D. Zero
3 Which of the following has the greatest coefficient of viscosity?
A. water
B. gasoline
C. honey
D. tar
4 Blood has a density
A. Equal to water
B. Greater then water
C. Lesser then water
D. None of these
5 Bernoulli's equation is based upon law of conservation
A. Mass
B. Momentum
C. Energy
D. None of these
6 Substances that do not flow easily have
A. large coefficient of viscosity
B. small coefficient of viscosity
C. either of them
D. none of them
7 A device used to measure the speed of liquid flow is known as
A. barometer
B. speedometer
C. sphygmomanometer
D. venture-meter
8 A massive object falls through a fluid:
A. Faster
B. Slower
C. Slowest
D. None
9 In a normal healthy person the value of systolic pressure is
A. 75 torr
B. 80 torr
C. 120 torr
D. all of them
10 If every particle of the flow that passes a particular point, moves along the same path as followed by particles which passed the point earlier, then this flow is said to be
A. turbulent
B. streamline
C. abrupt
D. none of them

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