ECAT Pre Computer Science Chapter 6 MCQ Test With Answer

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ECAT Physics Chapter 6 Important MCQ's

Sr.#	Question	Answer
1	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
2	When the droplet moves with terminal velocity in a fluid, the net force acting on the droplet is:	A. F_D-mg B. Zero C. mg-F_D D. None of these
3	0.10 cm can be written as:	A. 1.0 x 10^-2m B. 1.0 x 10^-3cm C. 1.0 x 10^-4cm D. 1. x 10^-4m
4	The resistance offered by a fluid to a solid moving inside it is called:	A. Drag force B. Surface force C. Viscosity D. None of these
5	Bernoulli's equation is based upon law of conversation	A. Mass B. Momentum C. Energy D. None of these
6	During the free fall motion of an object, when its weight becomes equal to the drag force, then it will move with	A. maximum speed B. zero speed C. maximum speed D. none of them
7	A massive object falls through a fluid:	A. Faster B. Slower C. Slowest D. None
8	During the steady flow, different streamlines	A. cannot across each other B. can across each other C. either of them D. neither of them
9	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
10	Bernoulli's equation is applicable for	A. turbulent flow B. streamline flow C. both (a) and (b) D. all kinds of flows

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ECAT Pre Computer Science Chapter 6 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 6 Fluid Dynamics

ECAT Physics Chapter 6 Fluid Dynamics

When the speed of a body in a fluid increases then the drag force

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

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

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

Fluids resist force, This property is called

In the case of an incompressible fluid in stead flow the net rate of flow of mass entering one end of the tube of flow is equal to the net rate of flow of mass leaving the other end. This equation is called

The terminal velocity of a small size spherical body of radius R moving in a fluid varies as

Where the streamlines are very close to each other, the pressure will be

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

Machine parts are jammed due to:

Blood pressure is measured by the instrument

During the steady flow, different streamlines

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:

The body will move with terminal velocity when it acquires

Fog droplets are suspended in air when their weight is balanced by:

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Top Scorers Of ECAT Physics Chapter 6 Fluid Dynamics MCQ`s Test

ECAT Physics Chapter 6 Important MCQ's

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

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: