Heat & Thermodynamics MCQs with Answers

Transfer of internal energy by collision of particles and movements of electrons within the body is called?

• A.Convection
• B.Induction
• C.Radiation
• D.Conduction

A metal spoon feels hotter than a plastic spoon because _?

• A.Metal is a better conductor of heat than plastic
• B.Metal has a higher specific heat capacity than plastic
• C.Plastic absorbs more heat than metal
• D.Metal reflects heat while plastic traps it

Past Paper MCQ

The freezing point of water on a centigrade scale is?

• A.212°C
• B.32°C
• C.100°C
• D.0°C

A form of energy which flows from a region of high temperature to a region of low temperature is known as?

• A.Light
• B.Work
• C.Power
• D.Heat

The correct relation between coefficient of linear expansion and coefficient of volume expansion is?

• A.γ = 2α
• B.γ = α/3
• C.γ = 3α
• D.γ = α²

Select the correct answer: A closed bottle containing water at 300°C is carried to the moon in a spaceship. If it is placed on the surface of the moon, what will happen to the water as soon as the lid is opened?

• A.Water will boil
• B.Water will freeze instantly
• C.Water will remain unchanged
• D.Water will decompose into hydrogen and oxygen

The process of convection occurs in _?

• A.Solids only
• B.Liquids
• C.Gases
• D.Both B & C

All of the following are the methods of heat transfer EXCEPT?

• A.Conduction
• B.Convection
• C.Condensation
• D.Radiation

What is the relation between the pressure and volume of a given mass of gas at constant mass and temperature?

• A.Charles's Law
• B.Gay-Lussac's Law
• C.Boyle's Law
• D.Avogadro's Law

A liquid boils at its _?

• A.Melting point
• B.Boiling point
• C.Freezing point
• D.Dew point