QUIZ-1 - UNIT 1 & UNIT 2

What is fluid mechanics?

• a) Study of fluid behaviour at rest

• b) Study of fluid behaviour in motion

• c) Study of fluid behaviour at rest and in motion

• d) Study of fluid behaviour at rest and in motion

What is fluid mechanics used for?

• a) Fluid mechanics enables to comprehend the behaviour of solid fluids under pressure

• b) Fluid mechanics enables to comprehend the behaviour of fluids under a variety of forces & atmospheric conditions

• c) Fluid mechanics enables to comprehend the behaviour of fluids under various temperatures only

• d) None of the mentioned

Which of the following is a type of fluid based on viscosity?

• a) Real Fluid

• b) Ideal Fluid

• c) Newtonian Fluid

• d) All of the mentioned

1. Surface tension _______

• 1. a)Acts in the plane of the interface normal to any line in the surface

• 1. b)Is also known as capillarity

• 1. c)Is a function of the curvature of the interface

• 1. d)Decreases with fall in temperature

1. In a static fluid _______

• 1. a ) Resistance to shear stress is small

• b ) Fluid pressure is smal

• 1. c) Linear deformation is small

• 1. d) Only normal stress can exist

_____________ measures velocity at a point of fluid in a stream.

• a) Venturi meter

• b) pH meter

• c) Pitot-Static tubes

• d) None of the mentioned

Which of the following flow meters is not a type of differential pressure flow meter?

• a) Orifice flow meter

• b) Venturi flow meter

• c) Electromagnetic flow meter

• d) Pitot tube flow meter

Orifice-meter is used to measure_________.

• A)

  discharge

• B)

  velocity

• C)

  average speed

• D)

  pressure at the point

Venturimeter is used to

• A. Measure the velocity of a flowing liquid

• B. Measure the pressure of a flowing liquid

• C. Measure the discharge of liquid flowing in a pipe

• D. Measure the pressure difference of liquid flowing between two points in a pipe line

The main function of nozzle is to __________

• a) Varying temperatures

• b) Pressure variations

• c) Load variations

• d) Heat variations