ECAT Pre Computer Science Chapter 6 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 6 Fluid Dynamics

Try The MCQ's Test For ECAT Physics Chapter 6 Fluid Dynamics

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ECAT Physics Chapter 6 Fluid Dynamics

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Question # 1

The pressure will be low where the speed of the fluid is

Question # 2

According to the Bernoulli's theorem the pressure velocity are

Question # 3

According to the equation of continuity, when water falls from the tap, it's speed increases and its cross-sectional area

Question # 4

Fluid A is more viscous than fluid B. While flowing through a pipe of the same dimensions and material which fluid takes longer to travel at 25°C?

Question # 5

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

Question # 6

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 # 7

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

Question # 8

Rate of flow can be expressed in

Question # 9

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

Question # 10

Above a certain velocity of a fluid is called

Question # 11

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

Question # 12

The direction of the streamlines is the same as the direction of the

Question # 13

Density of fluid is defined as:

Question # 14

Bernoulli's equation is based upon law of conservation

Question # 15

The body will move with terminal velocity when it acquires

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 A high concentration of red blood cells increases its viscosity from
A. 3 - 5 times that of mercury
B. 5 - 8 times that of mercury
C. 3 - 5 times that of water
D. 5 - 8 times that of water
2 The direction of the streamlines is the same as the direction of the
A. force
B. torque
C. velocity
D. weight
3 Fluids resist force, This property is called
A. Stiffness
B. Strength
C. Ductility
D. Elasticity
4 A device used to measure the speed of liquid flow is known as
A. barometer
B. speedometer
C. sphygmomanometer
D. venture-meter
5 When a fluid is in motion, its flow can be considered as
A. turbulent
B. streamline
C. either or them
D. neither of them
6 Substances that flow easily have
A. large coefficient of viscosity
B. small coefficient of viscosity
C. either of them
D. none of them
7 When there is no internal frictional forces between the adjacent layers of fluid, then the fluid is called
A. incompressible
B. compressible
C. viscous
D. non viscous
8 Viscosity of water is ______ that of air but ___ that of plasma.
A. More, more
B. Less, more
C. Less, less
D. More, less
9 The blood pressure of a person
A. decrease with age
B. increase with age
C. has no effect with age
D. none of them
10 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

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