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QUIZZ EVENT

Total questions: 40

Worksheet time: 40mins

Name
Class
Date
1.

Which of the following is a thermodynamics law

a)

Zeroth law of thermodynamics

b)

Faraday’s Law of thermodynamics

c)

Ideal Gas Law of thermodynamics

d)

Boyle’s Law of thermodynamics

2.

Which of the following follows the Carnot theorem?

a)

Heat engines

b)

Gas turbine engines

c)

Gas compressors

d)

All of the mentioned

3.

Which of the following is chosen as the standard thermometric substance?

a)

Liquid

b)

Solid

c)

Gas

d)

d) None of the mentioned

4.

Heat flow into a system is ____, and heat flow out of the system is ________

a)

positive, positive

b)

negative, negative

c)

negative, positive

d)

positive, negative

5.

In which of the following systems does mass transfer occur across the system boundary?

a)

isolated system

b)

closed system

c)

open system

d)

none of the mentioned

6.

When more than one fluid stream enters or leaves the control volume, which of the following type of balance is taken?

a)

mass balance

b)

energy balance

c)

mass balance and energy balance

d)

none of the mentioned

7.

The entropy of an isolated system can never ____

a)

decrease

b)

be zero

c)

increase

d)

none of the mentioned

8.

The enthalpy and internal energy are the function of temperature for______

a)

all gases

b)

steam

c)

water

d)

ideal gas

9.

Joule was the first to prove that heat is a type of energy, laying the groundwork for the fundamental law of thermodynamics.

a)

False

b)

True

c)

Both

10.

Which of the following type of motion does Shaft uses to do work?

a)

vertical motion

b)

horizontal motion

c)

rotational motion

d)

none of the mentioned

11.

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

12.

Principle of fluid mechanics works on the utilization of________

a)

Velocity

b)

Accelerating mass

c)

Volume

d)

Work

13.

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

14.

Pressure variation for compressible fluid is maximum for which of the following kind of process?

a)

Adiabatic

b)

Quasi Static

c)

Isothermal

d)

None of the mentioned

15.

Which among the following is not global parameters of fluid?

a)

Mass flow rate

b)

Density

c)

Viscosity

d)

External diameter

16.

Which among the following have the same forces acting on them?

a)

Dynamic similarity

b)

Geometric similarity

c)

Conditional similarity

d)

Kinematic similarity

17.

Which of the following equation must be perfunctorily satisfied while dealing with fluid flow problems?

a)

Newton’s third law

b)

Newton’s third law

c)

Continuity equation

d)

Newton’s second law

18.

Which of the following is the mathematical technique used to predict physical parameters?

a)

Dimensional analysis

b)

Dimensional analysis

c)

Pressure analysis

d)

Combustion analysis

19.

Which among the following is referred to as the temperature at a stagnation point in the flow of fluids in fluid mechanics and thermodynamics.

a)

Absolute temperature

b)

Absolute temperature

c)

Stagnation temperature

d)

Stagnation temperature

20.

. Stagnation point is the point in fluid mechanics where the velocity of the fluid at that point is _____

a)

unity

b)

constant

c)

infinite

d)

zero

21.

Which of the following is used to produce quality screw threads?

a)

Thread casting

b)

Thread cutting with single point tool

c)

Thread milling ad cutting with single point tool

d)

Thread chasing

22.

. In surface finishing operation one should use a sharp tool with a ______ feed and _______ Speed of rotation of the job.

a)

Maximum, maximum

b)

Minimum, maximum

c)

Maximum, minimum

d)

Minimum, minimum

23.

. Which of the following is correct about series of range of speed in simple lathe?

a)

Geometric progression

b)

Arithmetic progression

c)

Logarithmic progression

d)

Harmonic progression

24.

In which of the following, tail stock method of taper turning operation will be preferred more?

a)

Internal tapers

b)

Small tapers

c)

Steep tapers

d)

Long slender tapers

25.

Which of the following can produce both external as well as internal threads?

a)

Die threading with self‐opening die heads

b)

Thread tapping with taps

c)

Thread milling and multiple‐thread cutters

d)

Thread chasing with multiple‐rib chasers

26.

Distance from one point of thread to the next corresponding point is known as

a)

Pitch

b)

Major diamete

c)

Thread angle

d)

Depth of threads

27.

Let screw of 10mm pitch is needed to be cut on lathe machine. Lead screw of lathe has pitch of 6mm. Which of the following statement is correct?

a)

Speed of lead screw is greater than speed of spindle

b)

Speed of lead screw is less that speed of spindle

c)

Speed of lead screw is equal to speed of spindle

d)

None of the mentioned

28.

Distance measured normal to the axis of part, between crest and root of thread is known as

a)

Pitch

b)

Depth of threads

c)

Thread angle

d)

Major diameter

29.

Which of the following can be effectively used for holding eccentric job?

a)

Four jaw chuck

b)

Three jaw chuck

c)

Both three jaw chuck and four jaw chuck

d)

Two jaw chuck

30.

Which of the following is mostly used for holding bored part of the job?

a)

Mandrels

b)

Angle plate

c)

Collet

d)

Dogs

31.


The flow through a nozzle is regarded as

a)

constant volume flow

b)

constant pressure flow

c)

isothermal flow

d)

isentropic flow

32.


The pressure at which the steam leaves the nozzle is known as back pressure.

a)

Correct

b)

Incorrect

c)

Both

33.


In a nozzle, whole frictional loss is assumed to occur between

a)

inlet and thoroat

b)

inlet and outlet

c)

throat and exit

d)

all of these

34.


The turbine, in which the general direction of the steam flow is parallel to the turbine axis, is called axial flow turbines

a)

True

b)

False

c)

Both

35.

The critical pressure gives the velocity of steam at the throat equal to the velocity of sound.

a)

Agree

b)

Disagree

36.


Thermal equilibrium means that the flow of steam is

a)

isothermal

b)

isentropic

c)

hyperbolic

d)

polytropic

37.


The discharge is __________ at critical pressure.

a)

zero

b)

minimum

c)

maximum

d)

maximum & minimum

38.

The steam leaves the nozzle at a

a)

high pressure and a low velocity

b)

high pressure and a high velocity

c)

low pressure and a low velocity

d)

low pressure and a high velocity

39.


The action of steam in a steam turbine is

a)

static

b)

dynamic

c)

static and dynamic

d)

neither static nor dynamic

40.


The blade velocity coefficient is ratio of relative velocity of steam at outlet tip of the blade to the relative velocity of steam at inlet tip of the blade.

a)

True

b)

False