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

At low speeds, the drag force is

Question # 2

Blood is an

Question # 3

The term Brownian movement refers to

Question # 4

0.10 cm can be written as:

Question # 5

Bernoulli's equation is based upon law of conservation

Question # 6

The product of cross-sectional area of the pipe and the fluid speed at any point along the pipe is called

Question # 7

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

Question # 8

How much force is required to slide one layer of the liquid over the other layer is measured by

Question # 9

Substances that do not flow easily have

Question # 10

An object moving through a fluid experiences a retarding force called a

Question # 11

In a normal healthy person the value of systolic pressure is

Question # 12

Rate of flow can be expressed in

Question # 13

When the droplet moves with terminal velocity in a fluid, the net force acting on the droplet is:

Question # 14

Drag force increases if speed of the object moving through the fluid:

Question # 15

A tube tapers from 20 cm diameter to 2 cm, the velocity at first cross-section is 50 ms-1then velocity at second cross-section is

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 According to slok's law, drag force depends on
A. Radius of the spherical body
B. Terminal velocity of body
C. Coefficient of viscosity
D. All of above
2 The application of Bernoulli's equation is
A. Torricelli's theorem
B. Venture relation
C. Binomial theorem
D. Both a and b
3 The blood pressure of a person
A. decrease with age
B. increase with age
C. has no effect with age
D. none of them
4 The analysis of fluid motion becomes simplified by using
A. law of conservation
B. law of conservation of energy
C. both of them
D. none of them
5 The direction of the streamlines is the same as the direction of the
A. force
B. torque
C. velocity
D. weight
6 Fluids resist force, This property is called
A. Stiffness
B. Strength
C. Ductility
D. Elasticity
7 The fluid is incompressible, if itsdensity is
A. zero
B. constant
C. very high
D. very small
8 The flow of an ideal fluid is
A. streamline flow
B. incompressible flow
C. non-viscous
D. all of the above
9 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
10 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

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