Physics ECAT Pre Engineering Chapter 6 Fluid Dynamics Online Test

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  • Chapter NameCh 6 - Fluid Dynamics
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Physics ECAT Pre Engineering Chapter 6 Fluid Dynamics Online Test

  • Total Questions15

  • Time Allowed20

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Physics ECAT Pre Engineering Chapter 6 Fluid Dynamics Online Test

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Question # 1

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

Question # 2

Substances that flow easily have

Question # 3

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

Question # 4

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

Question # 5

When the velocity of a liquid flowing steadily in a tube increases, its pressure?

Question # 6

The effect of friction between different layers of a flowing fluid is described in terms of

Question # 7

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

Question # 8

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

Question # 9

Bernoulli's equation is based upon law of conservation

Question # 10

A flowing liquid possess

Question # 11

Surface tension of water is reduced by adding

Question # 12

Which of the following has the greatest coefficient of viscosity?

Question # 13

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

Question # 14

A container has a small hole in the bottom. Air can go through this hole,but water cannot. This can be best explained by the statement that

Question # 15

A massive object falls through a fluid:

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