For the following questions answer them individually
The diesel oil is obtained during distillation process between the temperature limits.
Which one of the following statements is correct when saturation pressure of water vapour increases?
An insulated box containing 0.5kg of a gas having $$C_{v}$$ = 0.98 kJ/kg-K fails from a balloon 4 km above the earth’s surface. The temperature rise of the gas when the box hits the ground is