AP EAMCET Medical 24 Apr 2019 Shift 1 Paper

A 15 kW drilling machine is used to drill a bore in a small aluminium block of mass 10 kg. Assuming 50% power is used up in heating the machine itself or lost to the surroundings, then the rise in temperature of the block in 2 minutes is
(Specific heat capacity of aluminium = 0.91 Jg−1°C−1)