A. motors
B. power outlet circuits
C. fluorescent lamps
D. light circuits
A. constant for all distances
B. lower than that of if fault occurs away from the relay
C. higher than that of if fault occurs away from the relay
D. none of the above
A. thermocouple
B. pyrometer
C. resistance thermometer
D. thermometer
A. have low contact resistance
B. be clean and smooth
C. be of sufficient size and proper shape
D. have all above properties
A. 0.003 sec
B. 0.001 sec
C. 0.01 sec
D. 0.10 sec
E. none of the above
A. relay
B. rewirable fuse
C. H.R.C. only
D. all of the above
A. thermocouple
B. electronic and bimetallic
C. both (A) and (B)
D. none of the above