ECAT Pre Computer Science Chapter 6 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 6 Fluid Dynamics

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

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ECAT Physics Chapter 6 Fluid Dynamics

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Question # 1

When the upward drag force of the fluid becomes equal to downward force of gravity of the droplet, then its velocity:

Question # 2

A body is moving through a viscous medium eventually comes to rest because of:

Question # 3

Bernoulli's equation is based upon law of conservation

Question # 4

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

Question # 5

A flowing liquid possess

Question # 6

The unit of viscosity is SI system is:

Question # 7

Terminal velocity is the maximum velocity attained by a spherical droplet when the drag force______the weight of droplet:

Question # 8

In a normal healthy person the value of systolic pressure is

Question # 9

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

Question # 10

Surface tension of water is due to

Question # 11

Pressure exerted by a gas on the walls of its container in due to

Question # 12

Blood has a density

Question # 13

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

Question # 14

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

Question # 15

The un-steady streamline flow is called

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 According to the Bernoulli's equation, where the speed of the fluid is high, the pressure will be
A. low
B. zero
C. high
D. all of them
2 Which of the following has the greatest coefficient of viscosity?
A. water
B. gasoline
C. honey
D. tar
3 According to the Bernoulli's theorem the pressure velocity are
A. equal to each other
B. proportional to each other
C. inversely proportional to each other
D. none of them
4 Terminal velocity is the maximum velocity attained by a spherical droplet when the drag force______the weight of droplet:
A. Is smaller than
B. Is greater than
C. Becomes equal to
D. None of these
5 Bernoulli's equation is the fundamental equation in fluid dynamics, which relates pressure to fluid
A. speed
B. height
C. none of them
D. both of them
6 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
7 Internal friction of fluid is called
A. Surface tension
B. Viscosity
C. Resistance
D. Cohesive force
8 Bernoulli's equation is based upon law of conversation
A. Mass
B. Momentum
C. Energy
D. None of these
9 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:
A. 10-16N
B. 10-14N
C. 10-12N
D. 10-10N
10 Blood pressure is measured by the instrument
A. stethoscope
B. sphygmomanometer
C. barometer
D. none of them

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