Manipal MET2021PhysicsThermodynamics
An engine has an efficiency of 1 / 3 . The amount of work this engine can perform per kcal of heat input is :
Options
- A1400 cal
- B700 cal
- C700 J
- D1400 J
Correct answer
D. 1400 J
Step-by-step solution
= W Q₁ aligned w & = Q₁= 1 3 1000 cal & = 1000 3 4.2 ~J =1400 ~J aligned