JEE MainPhysicsHeat and ThermodynamicsMCQ+4 / −1
The temperature-entropy diagram of a reversible engine cycle is given in the figure. Its efficiency is 

- A
- B
- C
- D
More from Heat and Thermodynamics
- Time taken by a heater to heat one litre of water from to is2004 · MCQ
- One mole of ideal monatomic gas is mixed with one mole of diatomic gas . What is for the mixture? Denotes the ratio of specific heat at constant pressure,…2004 · MCQ
- If the temperature of the sun were to increase from to and its radius from to , then the ratio of the radiant energy received on earth to what it was previously will be2004 · MCQ
- Two thermally insulated vessels and are filled with air at temperatures volume and pressure respectively. If the value joining the…2004 · MCQ
- Which of the following statements is correct for any thermodynamic system ?2004 · MCQ
- The temperature of the two outer surfaces of a composite slab, consisting of two materials having coefficients of thermal conductivity and and thickness and respectively, are and … Includes diagram2004 · MCQ
- The earth radiates in the infra-red region of the spectrum. The spectrum is correctly given by2003 · MCQ
- ''Heat cannot by itself flow from a body at lower temperature to a body at higher temperature'' is a statement or consequence of :2003 · MCQ