ECAT Pre Engineering Physics Chapter 11 MCQ Test With Answer

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ECAT Pre Engineering Physics Chapter 11 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 11 Heat & Thermodynamics

Physics ECAT Pre Engineering Chapter 11 Heat & Thermodynamics

If N is the total number of molecules and V is the volume of the container, then the expression for the pressure of gas is

When heat is removed from the system

During the whole carnot cycle

The curve representing an adiabatic process is called

The motion of molecules in gases is:

An irreversible heat flow from a hot to cold substances of a system, causes the disorder to

Tick the correct pair when M denotes the molecular mass and other symbols carry usual meanings:

The state in which ice, water and vapour coexists in equilibrium is called

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

The example of irreversible process is

The percentage of available heat energy converted into work by a petrol engine is roughly

We cannot utilize the heat contents of oceans and atmosphere because

While deriving the equation for pressure of a gas we consider the

In the formula P = N0KT, N0denotes:

Carnot heat engine only used

Efficiency of carnot engine is independent of the

An amount of water of mass 20 g at 0°C is mixed with 40 g of water at 10°C. Final temperature of mixture is

Which of the following is not thermo dynamical function?

According to kinetic theory of gases, molecules of a gas behave like

At O° K which of the following properties of a gas will be zero?

The volume of given mass of a gas will be doubled at atmosphere pressure if the temperature of the gas is changed from 150°C to

The highest efficiency of a heat engine whose low temperature is 17°C and the high temperature is 200°C is

Energy gas behaves like an ideal gast at

The kinetic energy of one molecule of a gas at normal temperature and pressure will be (k = 8.31 J/mole K) :

The nature of thermal radiation is similar to:

Pressure exerted by a gas is

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

In all natural processes where heat flows from one system to another, there is always a net

For making cooking utensils, which of the following pairs of properties is most suited?

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

Prepare Complete Set Wise Physics ECAT Pre Engineering Chapter 11 Heat & Thermodynamics MCQs Online With Answers

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In the formula P = N₀KT, N₀denotes: