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Thermodynamics U1 SMK GIET

Total questions: 10

Worksheet time: 10mins

Name
Class
Date
1.

All the commercial liquid fuels are derived from natural petroleum (or crude oil).

a)

True

b)

False

2.

The amount of heat required to raise the temperature of the unit mass of gas through one degree at constant volume, is called_________________

a)

specific heat at constant volume

b)

specific heat at constant pressure

c)

kilo Joule

d)

none of these

3.

There is a loss of heat in an irreversible process.

a)

True

b)

False

4.

An adiabatic process is one in which

a)

no heat enters or leaves the gas

b)

the temperature of the gas changes

c)

the change in internal energy is equal to the mechanical workdone

d)

all of the above

5.

Water gas is obtained by passing air and a large amount of steam over waste coal at about 650°C.

a)

Correct

b)

Incorrect

6.

When the gas is heated at constant volume, the heat supplied increases the internal energy of the gas.

a)

True

b)

False

7.

Which of the following is the lightest and most volatile liquid fuel?

a)

Gasoline (Petrol)

b)

Kerosene

c)

Fuel Oil

8.

If the value of n = 0 in the equation pvn = C, then the process is called__________

a)

constant volume process

b)

adiabatic process

c)

constant pressure process

d)

isothermal process

9.

The sum of internal energy (U) and the product of pressure and volume (p.v) is known as_______

a)

Workdone

b)

Entropy

c)

Enthalpy

d)

None of these

10.

In highly rarefied gases, the concept of __________ losses its validity.

a)

Thermodynamic Equilibrium

b)

Continuum

c)

Stability

d)

Macroscopic approach