By which of the following methods major portion of the heat generated in a H.R.C. fuse is dissipated ?

A. over currents
B. short duty
C. intermittant duty
D. repeated duty

A. burning
B. arcing
C. melting
D. none of the above

A. thermocouple
B. electronic and bimetallic
C. both (A) and (B)
D. none of the above

A. resistance, reactance or impedance
B. voltage and current
C. light intensity
D. temperature
E. all above

A. lubricate the contacts
B. insulate the contacts from switch body
C. extinguish the arc
D. all of the above
E. none of the above

A. maintain the arc
B. extinguish the arc
C. transmit large power
D. emit the ionizing electrons