Heat TransferHard
Question
If a liquid takes 30 sec. in cooling of 95oC to 90oC and 70 sec. in cooling of 55oC to 50oC then temp. of room is -
Options
A.16.5oC
B.22.5oC
C.28.5oC
D.32.5oC
More Heat Transfer Questions
A solid cube and sphere are made of same substance and both have same surface area. If the temperature of both bodies 12...An irregular rod of same uniform material as shown in figure is conducting heat at a steady rate. The temperature gradie...A calorimeter of water equaivalent 5 × 10-3 kg. having water 25 × 10-3 kg. Then it takes 3 minutes to cool fro...Three very large plates of same area are kept parallel and close to each other. They are considered as idealblack surfac...A substance when at high temperature emits wave lenght λ1, λ2, λ3, and λ4 only when this substance i...