ssc je mechanical II Thermodynamics MCQ Practice IIssc je mechanical previous year paper
21. Two gases X and Y having the same temperature T, the same pressure P and the same volume V are mixed. If the mixture has the volume V and temperature T, then the pressure of the mixutre will be :
(a) P (b) 2P
(c) 4P (d) P/2
| Ans : (b) | 
| 22. For the calculation of real temperature in thermodynamics the value of absolute zero temperature is considered as | 
(a) -2730C           (b) 2830C
(c) C                   (d) 2930C 
| Ans : (a) | 
| 23. Which among the following gives the correct relationship between Centigrade and Fahrenheit scales? (Where C : degree Centigrade and F : degree Fahrenheit) (c) C = (9/5) (F – 32)        (d) C = 9/5 (F – 32) | 
| Ans : (a) | 
| 24. 750C=.......0F, the correct option for the blank space is– | 
 
 
(a) 73.6                        (b) 192.6
(c) 77.4                       (d) 167.0 
| Ans : (d) | 
| 25. Triple point temperature of water is– 1. 273 K 2. 273.14 K 3. 273.15 K 4. 273.16 K (a) 1 (b) 2 (c) 3 (d) 4 | 
| Ans : (d) | 
|  | 
 

