HEAT TEMPERATURE AND PRESSURE - Practice Mode

1) What is term used for 2 x linear expansion?
Correct Answer: Co-efficient of superficial expansion
2) What is term called for 3 x linear expansion?
Correct Answer: Co-efficient of cubical expansion
3) What is the co-efficient of linear expansion of a rod if it is found to be 100 m long at 20 Degree C and 100.14 m long at 100 Degree C?
Correct Answer: 1.75 x 10-5 / Degree C
4) What is called for the amount of heat required to raise the temperature of unit mass of a substance through 1 Degree C?
Correct Answer: Specific heat
5) How much quantity of heat is required?
m = 120 litres
t1 = 20 Degree C
t2 = 85 Degree C
S = 4.2
Q = _____ KJ
Correct Answer: 32760 KJ