ENGINEERING THERMODYNAMICS QUIZ

Select the wrong statement

A Joule cycle consists of two constant volume and two isentropic processes.

An Otto cycle consists of two constant volume and two isentropic processes.

All of these

An Ericsson cycle consists of two constant pressure and two isothermal processes.

TRUE ANSWER : ?
YOUR ANSWER : ?

The total energy of a molecule is shared equally by the various degrees of freedom possessed by it. This law is known as

Law of conservation of energy

Law of equipartition of energy

Law of degradation of energy

None of the listed here

TRUE ANSWER : ?
YOUR ANSWER : ?

If both Stirling and Carnot cycles operate within the same temperature limits, then efficiency of Stirling cycle as compared to Carnot cycle

Equal

More

Depends on other factors

Less

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following parameters is constant for a mole for most of the gases at a given temperature and pressure

Entropy

Mass

Volume

Enthalpy

TRUE ANSWER : ?
YOUR ANSWER : ?

Work done is zero for the following process

Constant volume

All of the listed here

Throttling

Free expansion

TRUE ANSWER : ?
YOUR ANSWER : ?

First law of thermodynamics deals with

Conservation of heat

Conservation of momentum

Conservation of mass

Conservation of energy

TRUE ANSWER : ?
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A process, in which the gas is heated or expanded in such a way that the product of its pressure and volume remains constant, is called

Polytropic process

Adiabatic process

Hyperbolic process

Isothermal process

TRUE ANSWER : ?
YOUR ANSWER : ?

A series of operations, which takes place in a certain order and restore the initial conditions at the end, is known as

Irreversible cycle

None of these

Thermodynamic cycle

Reversible cycle

TRUE ANSWER : ?
YOUR ANSWER : ?

Kelvin Planck's law deals with

Conservation of work

Conversion of heat into work

Conversion of work into heat

Conservation of heat

TRUE ANSWER : ?
YOUR ANSWER : ?

In order that a cycle be reversible, following must be satisfied

When beat is being rejected, temperature of cold source and working substance should be same

Free expansion or friction resisted expansion/compression process should not be encountered

When heat is being absorbed, temperature of hot source and working substance should be same

All of these

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YOUR ANSWER : ?

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