There are 200 people in a 2000 m2 room, lighted with 30 W/m2. Estimate the maximum temperature increase, in °C, if the ventilation system fails for 20 min. Each person generates 400 kJ/h.The room is 3...

There are 200 people in a 2000 m2 room, lighted with 30 W/m2. Estimate the maximum temperature increase, in °C, if the ventilation system fails for 20 min. Each person generates 400 kJ/h.The room is 3 m high.

a) 5.6 b) 6.8 c) 8.6 d) 13.4

Estimate the average cp value, in kJ/kg • K, of a gas if 522 kJ/kg of heat are necessary to raise the temperature from 300 K to 800 K holding the pressure constant,

a) 1.000 b) 1.026 c) 1.038 d) 1.044