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

When the different streamlines cannot cross each other, then this condition is known as

Question # 2

According to the Bernoulli's theorem the pressure velocity are

Question # 3

Bernoulli's equation is based upon law of conversation of

Question # 4

Viscosity is defined as

Question # 5

Blood vessels can be stretch like rubber, therefore they are

Question # 6

The maximum drag force on a falling sphere is 9.8 N, it weight is

Question # 7

The body will move with terminal velocity when it acquires

Question # 8

The blood pressure of a person

Question # 9

In a normal healthy person the value of systolic pressure is

Question # 10

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

Question # 11

When there is no internal frictional forces between the adjacent layers of fluid, then the fluid is called

Question # 12

The law of conservation of energy gives us

Question # 13

The unit of viscosity is SI system is:

Question # 14

When a water droplet falls through air, the net force on it is

Question # 15

Which of the following options correctly states the equation of continuity for an ideal fluid?

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 If one of the pipes has a much smaller diameter than the other and are placed horizontally then form both sides of Bernoulli's equation, we can drop the term
A. P
B. 1/2 fv2
C. pgh
D. none of them
2 Blood is an
A. Compressible fluid
B. incompressible fluid
C. hard
D. none of them
3 When a water droplet falling freely through air, the drag force on water droplet increases with th
A. decrease in speed
B. increase in speed
C. pressure
D. none of them
4 The resistance offered by a fluid to a solid moving inside it is called:
A. Drag force
B. Surface force
C. Viscosity
D. None of these
5 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
6 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
7 The smooth or steady stream-line flow is know as
A. Laminar flow
B. Turbulent flow
C. Both a and b
D. None of the above
8 Density of fluid is defined as:
A. Its volume to mass ratio
B. Product of volume and mass
C. Its mass of volume ratio
D. None of these
9 The density of blood is nearly equal to that of
A. mercury
B. sodium
C. water
D. honey
10 The body passing a viscous medium affected by:
A. One force only
B. Two forces only
C. Four forces
D. None of these

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