In heating the ferromagnetic material by induction heating, heat is produced due to_____________?
A. induced current flow through the charge
B. hysteresis loss taking place below curie temperatureC. due to hysteresis loss as well…
Resistance variation method of temperature control is done by connecting resistance elements in_____________?
C. series-parallel connections
D. star-delta connectionsE. all of the above ways…
Which of the following devices is necessarily required for automatic temperature control in a furnace ?
A. ThermostatB. Thermocouple
D. Heating elements of variable resis-tance material…
Which of the following is an advantage of eddy current heating ?
A. The amount of heat generated can be controlled accurately
B. Heat at very high rate can be gene-rated
C. The area of the surface over which heat is produced can be…