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 instrument which detects the instant at which external pressure becomes equal to the systolic pressure is

Question # 2

If the flow is incompressible and the flow is steady then the mass of the fluid through the pipe

Question # 3

The density of blood is nearly equal to that of

Question # 4

The body will move with terminal velocity when it acquires

Question # 5

A high concentration of red blood cells increases its viscosity from

Question # 6

Rate of flow can be expressed in

Question # 7

During the free fall motion of an object, when its weight becomes equal to the drag force, then it will move with

Question # 8

The body passing a viscous medium affected by:

Question # 9

Bernoulli's equation is the fundamental equation in fluid dynamics, which relates pressure to fluid

Question # 10

Where the streamlines are very close to each other, the pressure will be

Question # 11

A device used to measure the speed of liquid flow is known as

Question # 12

Which of the following is a characteristic of an ideal fluid?

Question # 13

When the upward drag force of the fluid becomes equal to downward force of gravity of the droplet, then its velocity:

Question # 14

The value for systolic blood pressure for a normal healthy person is

Question # 15

Blood is an

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 When the velocity of a liquid flowing steadily in a tube increases, its pressure?
A. Decreases
B. Increases
C. Remains same
D. Zero
2 When the different streamlines cannot cross each other, then this condition is known as
A. continuity condition
B. turbulent flow condition
C. steady flow condition
D. none of them
3 Which of the following is a characteristic of an ideal fluid?
A. it is non-viscous
B. it is incompressible
C. it's motion is steady
D. all of the above
4 The flow of an ideal fluid is
A. streamline flow
B. incompressible flow
C. non-viscous
D. all of the above
5 The density of water is 103kg/m3. The water pressure on a submarine is 2.0 x 107N/m2. The depth of the submarine below the surface of the water, in maters, is approximately
A. 200 m
B. 11000 m
C. 2000 m
D. 8000 m
6 When a water droplet falls through air, the net force on it is
A. Net force = drag force - weight
B. Net force = weight - drag force
C. Net force = drag force + weight
D. Net force = weight + drag force
7 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
8 A person standing near the track of a fast moving train has tendency to fall towards it because of
A. Vibration due to motion of train
B. Gravitation force of attraction between person and trains
C. The high speed of train
D. Some other effect
9 Viscosity is defined as
A. the friction between fluid and its container's walls
B. the internal friction between two layers of fluid
C. the resistance to flow a fluid experiences
D. the extent to which outside factors effect the fluid's flow
10 Bernoulli's equation is based upon law of conversation of
A. mass
B. momentum
C. Energy
D. None

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