Heat TransferHard
Question
There are two identical vessels filled with equal amount of ice, the vessels are of different metals, if the ice melts in the two vessels in 20 and 35 min. respectively, the ratio of the coefficient of thermal conductivity of the two metals is : -
Options
A.4 : 7
B.7 : 4
C.16 : 49
D.49 : 36
More Heat Transfer Questions
The intensity of heat radiation by a point source measured by a thermopile placed at a distance d is I, If the distance ...If E is the total energy emitted by a body at a temperature TK and Emax is the maximum energy emitted by it at the same ...The earth radiates in the infra-red region of the spectrum. The spectrum is correctly given by...A body takes T minutes to cool from 62oC to 61oC when the surrounding temperature is 30oC. The time taken by the body to...A square is made of four identical rods. Temperature difference across a diagonal is kept 100oC then temperature differe...