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 velocity of falling raindrop attains limited value because of

Question # 2

According to the Bernoulli's theorem the pressure velocity are

Question # 3

The terminal velocity of water droplet of radius 1 x 10-4m and desity 1000 kg m-3descending through air of viscosity 19 x 10-6kg. m-1 s-1 is

Question # 4

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

Question # 5

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

Question # 6

Two water pipes of diameters 4 cm and 8 cm are connected with a supply line. The velocity of flow of water in the pipe 4 cm diameter is

Question # 7

Rate of flow can be expressed in

Question # 8

The effect of friction between different layers of a flowing fluid is described in terms of

Question # 9

Fluids resist force, This property is called

Question # 10

Liquids and gasses have

Question # 11

In a normal healthy person the value of diastolic pressure is

Question # 12

Bernoulli's equation is important in the field of

Question # 13

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

Question # 14

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 # 15

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

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 The value for systolic blood pressure for a normal healthy person is
A. 140 torr
B. 80 torr
C. 90 torr
D. 120 torr
2 The value of viscosity of a fluid is dependent on (at constant temperature)
A. the fluid itself
B. the fluid and its container
C. anything in contact with the fluid
D. all of the above
3 Blood pressure is measured in torr. Which of the following units could belong to torr?
A. N m-1
B. N m-2
C. N m
D. N-1m-2
4 The product of cross-sectional area of the pipe and the fluid speed at any point along the pipe is called
A. constant rate
B. volume rate
C. flow rate
D. steady rate
5 The density of blood is nearly equal to that of
A. mercury
B. sodium
C. water
D. honey
6 At the starting point of the free fall motion of an object, its acceleration will be
A. maximum
B. minimum
C. zero
D. none of them
7 Surface tension of water is reduced by adding
A. Detergents
B. Camphor
C. Plastic
D. Both A and B
8 If the flow is incompressible and the flow is steady then the mass of the fluid through the pipe
A. increases
B. decreases
C. becomes zero
D. is conserved
9 When the velocity of a liquid flowing steadily in a tube increases, its pressure?
A. Decreases
B. Increases
C. Remains same
D. Zero
10 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

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