_____ are permitted to defend motor department circuit conductors from overload.
I. Thermal relays II. Inverse time circuit III. Time delay fuses
a. I best
b. II best
c. II and III most effective
d. I, II and III - ANS-Ans. D
_____ duty is a type of carrier in which each the burden and the time intervals might also
have extensive versions.
A. Continuous
b. Periodic
c. Intermittent
d. Varying - ANS-Ans. D
_____ is a pliable raceway.
I. EMT II. ENT III. PVC
a. I simplest
b. II best
c. I and III best
d. I, II and III - ANS-Ans. B
_____ is the resistance on the factor of contact of conductors or one conductor and every
other surface.
A. Conductor resistance
b. Contact resistance
c. Resistance in line with M/toes
d. Resistance in step with K/ft - ANS-Ans. B
_____ is/are classified as a conduit body.
I. LB becoming II. FS box III. LR becoming
a. I and II most effective
b. II most effective
c. II and III handiest
d. I and III handiest - ANS-Ans. D
______ has the highest electrical breakdown energy and longest life over all different
substances used for insulation.
A. Rubber insulation
b. Woven fabric
c. Impregnated paper
d. Thermoplastic - ANS-Ans. C
, ______ raceways aren't suitable to surround conductors which might be situation to physical
damage.
A. Rigid metal conduit
b. Intermediate metal conduit
c. PVC schedule 40
d. PVC time table eighty - ANS-Ans. C
_______ can be generated.
I. Electricity II. Electrical Energy
a. I only
b. II only
c. Both I and II
d. Neither I nor II - ANS-Ans. B
_______ is the mixed opposition to modern-day by way of resistance and reactance.
A. Q
b. Z
c. X subC
d. (I^2)R - ANS-Ans. B
A _____ is a braking gadget for an electric powered motor.
I. Friction braking II. Plugging III. Dynamic braking
a. I most effective
b. III simplest
c. I and III best
d. I, II or III - ANS-Ans. D
A ______ squirrel cage motor cab be began at full voltage.
I. Design A II. Design B III. Design C IV. Design D
a. I only
b. I and II only
c. III and IV most effective
d. I, II, III, and IV - ANS-Ans. D
A capacitor opposes ______.
A. Both a change in voltage and modern-day
b. Change in modern-day
c. Change in voltage
d. None of these - ANS-Ans. C
A circuit breaker that has purposely delivered into it a postpone inside the tripping motion
and which put off decreases because the importance of the contemporary increases is a
______ circuit breaker.
A. Inverse time
b. Adjustable
c. Control vented
d. Vented power - ANS-Ans. A