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 _____ viscous the medium is _____, is the value of terminal velocity of the droplet:

Question # 2

Liquids and gasses have

Question # 3

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

Question # 4

The law of conservation of mass gives us the

Question # 5

The resistance offered by a fluid to a solid moving inside it is called:

Question # 6

Above a certain velocity of a fluid is called

Question # 7

When a fluid is in motion, its flow can be considered as

Question # 8

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

Question # 9

The equation of continuity is

Question # 10

The property of fluids due to which they resist their own flow is called:

Question # 11

The rain drop falling from the sky reach the ground with

Question # 12

According to Stoke's law, drag force depends on

Question # 13

Fluids resist force, This property is called

Question # 14

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

Question # 15

Fluids have three types of energies. The Bernoulli's equation combines those energies.which of the following is one of the three enrgies possessed by a fluid?

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 With increase of temperature, the viscosity of liquid and gases
A. Increases for both
B. Decreases for both
C. Increases for liquids and decreases for gases
D. Decreases for liquids and increases for gases
2 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
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 Where the streamlines are very far apart from each other, the pressure will be
A. low
B. zero
C. high
D. all of them
5 Blood pressure is measured by the instrument
A. stethoscope
B. sphygmomanometer
C. barometer
D. none of them
6 Fluid friction is _____ the friction between two solid surfaces:
A. Greater than
B. Smaller than
C. Equal to
D. None of these
7 Drag force increases if speed of the object moving through the fluid:
A. Increases
B. Decreases
C. Remains constant
D. None of these
8 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
9 When weight of an object falling freely becomes equal to the drag force, then the body will move with
A. increasing speed
B. decreasing speed
C. constant speed
D. none of them
10 Blood vessels can be stretch like rubber, therefore they are
A. rigid
B. hard
C. very thick
D. not rigid

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