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 un-steady streamline flow is called

Question # 2

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

Question # 3

Two copper balls of 1 cm and 2 cm in diameter are simultaneously dropped in the same viscous medium. The terminal velocity of bigger ball is:

Question # 4

In deriving the Bernoulli's equation, we assume that the fluid is

Question # 5

If one of the pipes has a much smaller diameter than the other and are placed horizontally then form both sides of Bernoulli's equation, we can drop the term

Question # 6

Blood pressure is measured by the instrument

Question # 7

When each particle of the fluid moves along a smoth path, this path is known as

Question # 8

When there is no internal frictional forces between the adjacent layers of fluid, then the fluid is called

Question # 9

Blood pressure is measured in torr. Which of the following units could belong to torr?

Question # 10

Bernoulli's equation is applicable for

Question # 11

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

Question # 12

A person standing near the track of a fast moving train has tendency to fall towards it because of

Question # 13

Fluids resist force, This property is called

Question # 14

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 # 15

Blood vessels can be stretch like rubber, therefore they are

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 The electrical forces between the molecules of a liquid are
A. Repulsive
B. Attractive
C. Both A and B
D. None
2 Where the streamlines are very far apart from each other, the pressure will be
A. low
B. zero
C. high
D. all of them
3 The maximum drag force on a falling sphere is 9.8 N, it weight is
A. 1 N
B. 9.8 N
C. 4.9 N
D. Cannot be calculated
4 If water rises 4 cm in a long, thin tube because of capillary action, then, under corresponding conditions of use, the rise (in the tube) of a liquid whose density is 2 g/cm2will be
A. 1 cm
B. 2 cm
C. 8 cm
D. None
5 The flow of an ideal fluid is
A. streamline flow
B. incompressible flow
C. non-viscous
D. all of the above
6 The fluid which is incompressible and non viscous is called
A. Ideal fluid
B. Non-ideal fluid
C. Prefect fluid
D. All
7 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
8 Bernoulli's equation is applicable for
A. turbulent flow
B. streamline flow
C. both (a) and (b)
D. all kinds of flows
9 The drag force acting on a spherical droplet of radius 10-5m moving with a velocity of 1 cm/sec in a fluid of velocity 5.31 x 10-7m/sec. The units comes out to be:
A. 10-16N
B. 10-14N
C. 10-12N
D. 10-10N
10 Blood pressure is measured by the instrument
A. stethoscope
B. sphygmomanometer
C. barometer
D. none of them

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