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

Density of fluid is defined as:

Question # 2

Internal friction of fluid is called

Question # 3

The pressure will be low where the speed of the fluid is

Question # 4

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

Question # 5

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

Question # 6

Substances that flow easily have

Question # 7

The law of conservation of mass gives us the

Question # 8

The fluid is incompressible, if itsdensity is

Question # 9

The equation of continuity
A1V1= A2V2is for the flow of

Question # 10

According to the Bernoulli's theorem the pressure velocity are

Question # 11

At the starting point of the free fall motion of an object, its acceleration will be

Question # 12

The equation of continuity is

Question # 13

Bernoulli's equation is based upon law of conservation

Question # 14

Blood is an

Question # 15

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

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 In a _____ flow, each particle of the fluid is called a streamline and different streamlines ______cross each other.
A. Streamline, cannot
B. Turbulent, cannot
C. Streamline, can
D. None of these
2 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
3 Bernoulli's equation is based upon law of conservation
A. Mass
B. Momentum
C. Energy
D. None of these
4 The blood pressure of a person
A. decrease with age
B. increase with age
C. has no effect with age
D. none of them
5 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
6 The un-steady streamline flow is called
A. laminar flow
B. turbulent flow
C. both of them
D. none of them
7 When a fluid is in motion, its flow can be considered as
A. turbulent
B. streamline
C. either or them
D. neither of them
8 What is another name for laminar flow?
A. streamline
B. unsteady flow
C. turbulent flow
D. both (a) and (b)
9 If v is the velocity of flow of liquid through a tube of area of cross-section A, then according to equation of continuity
A. v/A = constant
B. A/v = constant
C. Av = constant
D. None
10 When there is no internal frictional forces between the adjacent layers of fluid, then the fluid is called
A. incompressible
B. compressible
C. viscous
D. non viscous

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