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

Viscosity of water is ______ that of air but ___ that of plasma.

Question # 2

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

Question # 3

The dimensions of viscosity are:

Question # 4

At high speed, fluid friction _____ and fuel consumption ___,:

Question # 5

Blood is an

Question # 6

Substances that do not flow easily have

Question # 7

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

Question # 8

According to Stoke's law, drag force depends on

Question # 9

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

Question # 10

In a normal healthy person the value of diastolic pressure is

Question # 11

Unit of viscosity is:

Question # 12

At the starting point of the free fall motion of an object, its acceleration will be

Question # 13

Where the streamlines are very far apart from each other, the pressure will be

Question # 14

The fluid which is incompressible and non viscous is called

Question # 15

0.10 cm can be written as:

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 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
2 The irregular and unsteady flow of the fluid is called
A. turbulent flow
B. steady flow
C. either of them
D. both of them
3 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
4 The body will move with terminal velocity when it acquires
A. minimum speed
B. zero speed
C. maximum speed
D. none of them
5 Blood has a density
A. Equal to water
B. Greater then water
C. Lesser then water
D. None of these
6 N s m-2is unit of:
A. Drag force
B. Pressure
C. Surface tension
D. Coefficient of viscosity
7 If every particle of the flow that passes a particular point, moves along the same path as followed by particles which passed the point earlier, then this flow is said to be
A. turbulent
B. streamline
C. abrupt
D. none of them
8 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
9 How much force is required to slide one layer of the liquid over the other layer is measured by
A. friction
B. density
C. viscosity
D. resistivity
10 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

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