By which of the following methods the temperature inside arc nace can be varied ?

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...

The material of the heating element for a furnace should have___________?

A. lower melting point B. higher temperature coefficient C. high specific resistance D. 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...

Properly of low temperature co-eflficient of heating element is desired due to which of the following reasons ?

A. To avoid initial rush of current B. To avoid change in kW rating with temperature C. Both (A) and (B) D. Either (A) or (B)...