Correct answer
C. bigger
Explanation
The correct answer is bigger.
Two balls of same material and finish have their diameters in the ratio of 2 : 1 and both are heated to same temperature and allowed to cool by radiation. Rate of cooling by big ball as compared to smaller one will be in the ratio of________?
A fluid in equilibrium can’t sustain________?
Atmospheric pressure is 1.03 kg/cm and vapour pressure is 0.03 kg/cm. The air pressure will be________?
Which of the following nuclear reactor does not need a heat exchanger for generation of steam________?
Which of the following refrigerants has lowest freezing point________?
The diameter of cylindrical shell of the Lancashire boiler is of the order of________?