A cyclic engine exchanges heat with two reservoirs maintained at 100 and 300°C respectively. The maximum work (in J) that can be obtained from 1000 J of heat extracted from the hot reservoir is_________________?

Related Mcqs:

Which of the following is an undesirable characteristic of a refrigerant ?

A. It should be non-explosive B. It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils C. Its vapor pressure at the condenser temperature should be very high D. None of these...

The standard Gibbs free energy change of a reaction depends on the equilibrium______________________?

A. Pressure B. Temperature C. Composition D. All A, B. and C...

Entropy change for an irreversible process taking system and surrounding together is___________________?

A. 0 B. > 0 C. < 0 D. None of these...

For a thermodynamic system containing ‘x’ chemical species, the maximum number of phases that can co-exist at equilibrium is_________________?

A. x B. x + 1 C. x + 2 D. x + 3...

Absorption/evolution of heat during conversion of a substance from one allotropic form to another is termed as the heat of _____________________?

A. Sublimation B. Fusion C. Transition D. Vaporisation...