Which of the following has the highest value of thermal conductivity ?

Related Mcqs:

For the transmission of heat from one body to another__________?

A. temperature of the two bodies must be different B. both bodies must be solids C. both bodies must be in contact D. at least one of the bodies must have some source of heating...

Heat transfer by condition will not occur when____________?

A. bodies are kept in vacuum B. bodies are immersed in water C. bodies are exposed to thermal radiations D. temperatures of the two bodies are identical...

Due to which of the following reasons it is desirable to have short arc length ?

A. To achieve better heating B. To increase the life of roof refractory C. To have better stirring action D. To reduce problem of oxidation E. All of the above...

In a domestic cake baking oven the temperature is controlled by________________?

A. voltage variation B. thermostat C. auto-transformer D. series-parallel operation...

Ajax Wyatt furnace is started when____________?

A. it is filled below core level B. it is filled above core level C. it is fully empty D. none of the above...