Question # 1

In an adiabatic process the work is done at the expense of the

Choose an answer

energy supplied to the system

energy gained from the surroundings

internal energy

none of them

On a cold morning a metal surface will fell colder to touch than a wooden surface, because

Choose an answer

Metal has high specific heat

Metal has high thermal conductivity

Metal has low specific heat

Metal has low thermal conductivity

The curve representing an adiabatic process is called

Choose an answer

isotherm

adiabat

adiable

none of them

Which of the following is not thermo dynamical function?

Choose an answer

Enthalpy

Work done

Gibb's energy

Internal energy

At constant temperature, on increasing the pressure of a gas by 5%, its volume. The final temperature of the gas will be

Choose an answer

81 K

355 K

627 K

627°C

It is impossible to devise a processes which may convert heat, extracted from a single reservoir, entirely into work without leaving any change in the working system. This is the statement of

Choose an answer

Clausius statement of second law

Kelvin'sstatement of second law

Clausius statement of first law

Kelvin's statement of first law

In the theory of dimensional analysis, heat may be properly represented by:

Choose an answer

ML²T^-2

MT^-2

ML^-1T^-1

None of these

Sadi carnot described an ideal heat engine in

Choose an answer

1820

1840

1860

1880

Pressure applied at any point of gas at rest is transmitted equally to all parts of the gas. This is the statement of:

Choose an answer

Newton's second law

Pascal's law

Carnot theorem

Second law of thermodynamics

The curve representing an isothermal process is called

Choose an answer

adiabat

isotherm

fixed temperature

none of them

When two objects are rubbed together, their internal energy

Choose an answer

remains same

decreases

remains the same then decreases

increases

The volume of a gas will be double of what it is at 0°C (pressure remaining constant) at

Choose an answer

546 K

273 K

546°C

273°C

A gas is compressed adiabatically till its temperature is double. The ratio of its final volume to initial volume will be

Choose an answer

1/2

More than 1/2

Less than 1/2

Between 1 and 2

If the distance between two charges is doubled, the force between them will become:

Choose an answer

Double

Half

Three times

One fourth

One third

Internal energy is the sum of all the forms of

Choose an answer

K.E

P.E

both of them

none of them

In which process the condition for the application of Boyle's law on the gas is fulfilled

Choose an answer

isochoric process

adiabatic process

isothermal process

none of them

More Classes

Other Links

ECAT Physics Chapter 11 Heat & Thermodynamics Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer