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

Rate of flow can be expressed in

Question # 2

In Bernoulli's theorem the relation between velocity and pressure is

Question # 3

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

Question # 4

According to Stoke's law, drag force depends on

Question # 5

The blood pressure of a person

Question # 6

Blood pressure is measured in torr. Which of the following units could belong to torr?

Question # 7

In case of streamed lined flow of liquid, the loss of energy is

Question # 8

Surface tension of water is due to

Question # 9

According to the Bernoulli's theorem the pressure velocity are

Question # 10

The application of Bernoulli's equation is

Question # 11

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

Question # 12

The rain drop falling from the sky reach the ground with

Question # 13

Surface tension of water is reduced by adding

Question # 14

Fog droplets are suspended in air when their weight is balanced by:

Question # 15

The mass of fluid passing through any cross-section per unit time is called

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 During the steady flow, different streamlines
A. cannot across each other
B. can across each other
C. either of them
D. neither of them
2 During the free fall motion of an object, when its weight becomes equal to the drag force, then it will move with
A. maximum speed
B. zero speed
C. maximum speed
D. none of them
3 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
4 The law of conservation of mass gives us the
A. equation of continuity
B. Bernoulli's theorem
C. both of them
D. none of them
5 When weight of an object falling freely becomes equal to the drag force, then the body will move with
A. increasing speed
B. decreasing speed
C. constant speed
D. none of them
6 The value for systolic blood pressure for a normal healthy person is
A. 140 torr
B. 80 torr
C. 90 torr
D. 120 torr
7 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
8 With increase of temperature, the viscosity of liquid and gases
A. Increases for both
B. Decreases for both
C. Increases for liquids and decreases for gases
D. Decreases for liquids and increases for gases
9 The instrument which detects the instant at which external pressure becomes equal to the systolic pressure is
A. stethoscope
B. thermometer
C. manometer
D. barometer
10 Viscosity of water is ______ that of air but ___ that of plasma.
A. More, more
B. Less, more
C. Less, less
D. More, less

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