A. bad, good
B. bad, bad
C. good, bad
D. good, good
A. Thermal ion release principle
B. Nucleate heating principle
C. Resistance heating principle
D. Electro-magnetic induction princi¬ple
A. ablation
B. radiation
C. viscous dissipation
D. irradiation
A. induced current flow through the charge
B. hysteresis loss taking place below curie temperature
C. due to hysteresis loss as well as eddy current loss takingplace in the charge
D. none of the above factors
A. Prandtl number
B. Grashoff number
C. Pecelet number
D. Nusselt number
A. Arc heating
B. Dielectric heating
C. Induction heating
D. Resistance heating
A. inside boiler furnaces
B. during melting of ice
C. through the surface of the insulted pipe carrying steam
D. from refrigerator coils to freezer of a refrigerator