engineering recuitment Cochin Shipyard Executive Trainee Mechanical Mock Test Heat Transfer Conduction
The rate of heat transfer through a hollow cylinder of inner and outer radii r1 and r2, respectively, depends on
1
Difference of radii (r2 – r1)
2
Ratio of radii (r2/r1)
3
Product of radii (r2 × r1)
4
Sum of radii (r2 + r1)