In an electric room heat convector the method of heating used is______________?

Related Mcqs:

A perfect black body is one that_____________?

A. transmits all incident radiations B. absorbs all incident radiations C. reflects all incident radiations D. absorbs, reflects and transmits all incident radiations...

By the use of which of the following, high frequency power supply for induction furnaces can be obtained ?

A. Coreless transformers B. Current transformers C. Motor-generator set D. Multi-phase transformer...

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...

Radiations from a black body are proportional to____________?

A. T1 B. T2 C. T3 D. T*...

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...