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THERMODYNAMICS: WEEK 1 - 2 KNOWLEDGE CHECK

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

If body A is in thermal equilibrium with body B and separately in thermal equilibrium with body C, then bodies B and C must also be in thermal equilibrium with each other.

a)

TRUE

b)

FALSE

2.

Energy has different forms, which include


a)

Heat

b)

 Work

c)

All of the mentioned

3.

A piston-cylinder system with a cross-sectional area of 0.01 m² is initially resting on its stops. Given an external pressure of 100 kPa, determine the water pressure required to lift the piston.

a)

178 kPa

b)

188 kPa

c)

198 kPa

d)

208 kPa

4.

Which of the following is a property of a pure substance?

a)

It has constant chemical composition throughout its mass

b)

It is a one-component system

c)

It may exist in one or more phases

d)

All of the mentioned

5.

A saturation state is a state from which a change of phase may occur

a)

Without a change of pressure or temperature

b)

With a change of temperature only

c)

With a change of pressure only

6.

In which of the following state does water exist?

a)

Saturated solid state

b)

Saturated liquid state

c)

Saturated vapour state

d)

All of the mentioned

7.

Which of the following exists in a p-V diagram for water?

a)

Saturated solid line

b)

Saturated liquid line

c)

Saturated vapour line

d)

All of the mentioned

8.

The triple point is a line on the p-V diagram, where all the three phases, solid, liquid and gas exist.

a)

TRUE

b)

FALSE

9.

Phase change occurs at

a)

Constant pressure

b)

Constant temperature

c)

Constant pressure and temperature

10.

The ideal gas law, expressed as PV = nRT, describes the relationship between pressure (P), volume (V), and temperature (T) for an ideal gas. Here, n represents the amount of substance, and R is the ideal gas constant. Given this law, analyze the provided P-T diagram and convert it into a corresponding V-T diagram.

a)

b)

c)

d)