ECAT Pre Engineering Physics Chapter 6 MCQ Test With Answer

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

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hamza saeed 13 - Jan - 2025 04 Min 55 Sec 45/60
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Palwasha Junaid 31 - Dec - 2024 02 Min 47 Sec 40/60

ECAT Physics Chapter 6 Important MCQ's

Sr.#	Question	Answer
1	Substances that flow easily have	A. large coefficient of viscosity B. small coefficient of viscosity C. either of them D. none of them
2	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
3	Fog droplets are suspended in air when their weight is balanced by:	A. Force of gravity B. Upward trust due to air C. Surface tension D. None of these
4	When a fluid is in motion, its flow can be considered as	A. turbulent B. streamline C. either or them D. neither of them
5	Ball pen functions on the principle of	A. Viscosity B. Boyle's law C. Gravitational force D. Surface tnesion
6	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	A. Quadratic equation B. Equation of discontinuity C. Equation of continuity D. None of the above
7	In a normal healthy person the value of systolic pressure is	A. 75 torr B. 80 torr C. 120 torr D. all of them
8	Rate of flow can be expressed in	A. litre/sec B. litre-sec C. sec/litre D. sec/litre-m
9	A fluid at a certain point has 50 J of potential energy per unit volume, 75 J of kinetic energy per unit volume,and 35 J of pressure energy per unit volume. the total energy of the fluid is	A. 125 J B. 90 J C. 160 J D. 85 J
10	Internal friction of fluid is called	A. Surface tension B. Viscosity C. Resistance D. Cohesive force

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ECAT Pre Engineering Physics Chapter 6 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 6 Fluid Dynamics

Physics ECAT Pre Engineering Chapter 6 Fluid Dynamics

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

The flow of an ideal fluid is

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

Surface tension of water is reduced by adding

During the free fall motion of an object, when its weight becomes equal to the drag force, then it will move with

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

With the increase of temperature viscosity

Two water pipes of diameters 4 cm and 8 cm are connected with a supply line. The velocity of flow of water in the pipe 4 cm diameter is

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:

Blood has a density

The pressure will change in the pipe, as the fluid moves through that pipe of varying

Unit of viscosity is:

The rain drop falling from the sky reach the ground with

Liquids and gasses have

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

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

ECAT Physics Chapter 6 Important MCQ's

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

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: