ETD Quiz (Module 3)

Joule Thompson coefficient for an ideal gas is

• Higher than zero

• Less than zero

• Zero

• One

Maxwell's thermodynamic relations are valid for

• Closed system only

• All processes of thermodynamics

• Only reversible processes

• A thermodynamic system in equilibrium

Which of the following relation is incorrect

The slope of the curve is given by the Clausius-Clapeyron on

• P-T plot

• S-T plot

• V-T plot

• H-T plot

The value of universal gas constant is

• 8.2353

• 8.3143

• 8.5123

• 2.187

Characteristic gas constant is given by (here cp=specific heat at constant pressure and cv is the specific heat at constant volume)

• R=cv – cp

• R=cp + cv

• R=cp – cv

• None of the above

The unit of 'a' in Van der waals equation is

• Nm^5

• Nm^4

• Nm^3

• Nm^2

In presence of which gas is the fuel burnt to generate energy in the form of heat?

• Oxygen

• Hydrogen

• Methane

• Nitrogen

The following volume (m^3) of the air required for consuming 1 litre of fuel by 4-S engine

• 1

• 2.5

• 5 to 6

• 9 to 10

The Orsat apparatus gives

• The percentage composition by weight on the dry basis

• The percentage composition by volume on the dry basis

• The percentage composition by weight on the wet basis

• The percentage composition by volume on the wet basis