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

Rate of flow can be expressed in

Question # 2

Under normal circumstances, the volume of blood is sufficient to keep the vessels

Question # 3

Fire fighters have a jet attached to the head of their water pipes in order to head of their water pipes in order to

Question # 4

The law of conservation of energy gives us

Question # 5

A container has a small hole in the bottom. Air can go through this hole,but water cannot. This can be best explained by the statement that

Question # 6

The SI unit of viscosity is

Question # 7

The law of conservation of mass gives us the

Question # 8

A tube is tapered from 20 cm diameter to 2 cm diameter, the velocity at the first cross-section is 50 cm/s, then the velocity at the second cross-section is

Question # 9

At high altitude the blood oozes out of the nose and ear because

Question # 10

The pressure will change in the pipe, as the fluid moves through that pipe of varying

Question # 11

The dimensions of viscosity are:

Question # 12

Stoke;s law is not applicable when the speed of the object moving through a fluid is:

Question # 13

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

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 When a fluid is in motion, its flow can be considered as
A. turbulent
B. streamline
C. either or them
D. neither of them
2 The density of blood is nearly equal to that of
A. mercury
B. sodium
C. water
D. honey
3 The pressure will be low where the speed of the fluid is
A. Zero
B. High
C. Low
D. Constant
4 In a surface tension experiment with a capillary tube water rises up to 0.1 m. if the same experiment is repeated on an artificial satellite, which is resolving around the earth, water will rise in the capillary tube up to a height of
A. 0.1 m
B. 0.2 m
C. 0.98 m
D. Full length of the capillary tube
5 According to the Bernoulli's theorem the pressure velocity are
A. equal to each other
B. proportional to each other
C. inversely proportional to each other
D. none of them
6 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
7 The equation of continuity is
A. A1A2 = V1V2
B. A1/V1 =A2/V2
C. V1/A1=V2/A2
D. A1V1 =A2V2
8 The unit of viscosity is SI system is:
A. Kg-1m sec-1
B. Kgm-1 sec-1
C. Kg-1m-1 sec
D. None of these
9 With the increase of temperature viscosity
A. Increase
B. Decrease
C. Remains same
D. Doubles
10 Bernoulli's equation is based upon law of conversation of
A. mass
B. momentum
C. Energy
D. None

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