The efficiency of the Carnot engine working between 150°C and 50°C is__________?

Related Mcqs:

1. The area enclosed by the curve ABCDA for a Carnot heat engine represents the work done by Carnot engine_______________?

   A. at any instant B. averagely C. during its operation D. during one cycle...

2. Two automobiles are 150 kilometers apart and traveling toward each other. One automobile is moving at 60km/h and the other is moving at 40km/h mph. In how many hours will they meet?

   A. 2.5 B. 2.0 C. 1.75 D. 1.5 E. 1.25 Submitted by: Mansoor Ul Haque...

3. For the successful operation of Heat engine which condition should be met ?

   A. cyclic process B. operated at certain temperature difference C. both A and B D. none of these...

4. Petrol engine is a________________?

   A. C.I engine B. SI engine C. IC engine D. all the above...

5. The maximum safe limit dose for persons working in a nuclear power station is ________________?

   A. 1 rem per week B. 5 rem per week C. 4 rem per week D. 3 rem per week...

6. The working of transistor as amplifier is similar to________________?

   A. Step up transformer B. Step down transformer C. Three diodes in common D. Triode vacuum tube...

7. The unit of coefficient of linear expansion or volume expansion is__________?

   A. K B. K-1 C. K -2 D. none Submitted by: Mahrukh...

8. Gravitation force of sun is__________?

   A. 274 m/s² B. 362 m/s² C. 300 m/s² D. None  of these Submitted by: Adeeba Bashir...

9. When two bodies move toward each other with constant speeds the distance between them decreases at the rate of 6m / sec. If they move in the same direction the distance between them increases at the rate of 4m/sec. Then their speeds are________________?

   A. 5m/s, 1m/s B. 3m/s, 3m/s C. 6m/s, 1m/s D. 4m/s, 2m/s...

10. The magnitude of the cross product is equal to the dot product between them. The angle between the two vectors is________________?

    A. 30° B. 45° C. 60° D. 180°...