A steam engine operating between a boiler temperature of 220°C and a condenser temperature of 35.0°C delivers 8.00 HP. If its efficiency is 30.0 per cent of that for a Carnot engine operating between these temperature limits, how many calories are absorbed each second by the boiler?
(a) 12.7 kcal/*
(b) 12.7 cal/*
(c) 2.54 cal/*
(d) 2.54 kcal/*
