ENGINEERING THERMODYNAMICS QUIZ

Stirling and Ericsson cycles are

Irreversible cycles

Quasi-static cycles

Semi-reversible cycles

Reversible cycles

TRUE ANSWER : ?
YOUR ANSWER : ?

In a Carnot cycle, heat is transferred at

Constant volume

Constant temperature

Constant pressure

Constant enthalpy

TRUE ANSWER : ?
YOUR ANSWER : ?

The value of n = 1 in the polytropic process indicates it to be

Reversible process

Irreversible process

Adiabatic process

Isothermal process

TRUE ANSWER : ?
YOUR ANSWER : ?

According to Avogadro's law, for a given pressure and temperature, each molecule of a gas

Occupies same volume

Occupies volume inversely proportional to its molecular weight

Occupies volume proportional to its specific weight

Occupies volume inversely proportional to its specific weight

TRUE ANSWER : ?
YOUR ANSWER : ?

No liquid can exist as liquid at

Centre of earth

Vacuum

273°K

Zero pressure

TRUE ANSWER : ?
YOUR ANSWER : ?

The unit of energy is S. I. units is

Joule (J)

Joule/meter (J/m)

Joule meter (Jm)

Watt (W)

TRUE ANSWER : ?
YOUR ANSWER : ?

The work ratio of a gas turbine plant is given by

(Net work output)/(Work-done by the turbine)

(Net work output)/(Heat supplied)

(Isentropic increase in temperature)/(Actual increase in temperature)

(Actual temperature drop)/(Isentropic temperature drop)

TRUE ANSWER : ?
YOUR ANSWER : ?

The ratio of molar specific heats for mono-atomic gas is

1

1.4

1.87

1.67

TRUE ANSWER : ?
YOUR ANSWER : ?

The gas constant (R) is equal to the

Product of two specific heats

Ratio of two specific heats

Difference of two specific heats

Sum of two specific heats

TRUE ANSWER : ?
YOUR ANSWER : ?

If a certain amount of dry ice is mixed with same amount of water at 80°C, the final temperature of mixture will be

40°C

80°C

20°C

0°C

TRUE ANSWER : ?
YOUR ANSWER : ?