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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ECAT Physics Chapter 6 Important MCQ's

Sr.#	Question	Answer
1	The dimensions of viscosity are:	A. M²L^-1T^-2 B. M^-1L¹T^-1 C. M^-1L^-1T D. ML^-1T^-1
2	The velocity of falling raindrops attains limited value because of	A. Up thrust of air B. Air currents of the earth atmosphere C. Surface tension effect D. Viscous force exerted by air
3	Fluids have three types of energies. The Bernoulli's equation combines those energies.which of the following is one of the three enrgies possessed by a fluid?	A. potential energy B. pressure energy C. strain energy D. (a) and (b) only
4	The term Brownian movement refers to	A. irregular motions of small particles suspended in a fluid B. convection currents in a liquid or gas C. convection currents in a gas but not in a liquid D. the stretching of a body beyond its elastic limit
5	One torr is equal to	A. 13.33 N/m² B. 760 N/m² C. 760 mm Hg D. 133.3 N/m²
6	According to the Bernoulli's equation, where the speed of the fluid is high, the pressure will be	A. low B. zero C. high D. all of them
7	Surface tension of water is reduced by adding	A. Detergents B. Camphor C. Plastic D. Both A and B
8	The direction of the streamlines is the same as the direction of the	A. force B. torque C. velocity D. weight
9	Which of the following has the greatest coefficient of viscosity?	A. water B. gasoline C. honey D. tar
10	At low speeds, the drag force is	A. proportional to speed B. inversely proportional to speed C. not simply proportional to speed D. none of them

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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 equation of continuity is

A massive object falls through a fluid:

A high concentration of red blood cells increases its viscosity from

Blood pressure is measured by the instrument

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

Density of fluid is defined as:

Drag force increases if speed of the object moving through the fluid:

A water hose with an internal diameter of 20 mm at the outlet discharges 30 kg of water in 60 s. What is water speed at the outlet if density of water is 1000 kg/m3during its steady flow

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:

What are the SI base units of the coefficient of viscosity

Which of the following is a characteristic of an ideal fluid?

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

Fluids resist force, This property is called

In a normal healthy person the value of systolic pressure is

When a fluid is in motion, its flow can be considered 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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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 water hose with an internal diameter of 20 mm at the outlet discharges 30 kg of water in 60 s. What is water speed at the outlet if density of water is 1000 kg/m³during its steady flow

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: