railway DFCCIL Junior Executive 2023 (CBT 1 & CBT 2) Mock Test Basic Science and Engineering Heat and Temperature
What is Latent heat of fusion of ice?
1
The amount of heat required per unit mass of a substance at melting point to convert it from the solid to the liquid state
2
The amount of heat required to vaporize a unit mass of liquid at its boiling point
3
The amount of heat required to convert per unit mass of the ice into water at 0°C temperature
4
None of these