Ewrb Theory Prep – Mcbs Questions With b b b b b b b
All Answers b b
types bof bMCB btrips b- bcorrect banswer-thermal
b b b b b b
magnetic
thermal btripping b- bcorrect banswer-bi-metal bstrip, bused bfor boverload bcurrents
b b b b b b b b b
bprotection
b
magnetic btripping b- bcorrect banswer-magnetic binductor, bused bfor bshort bcircuit
b b b b b b b b b
bprotection
b
reset bprocedure b- bcorrect banswer-reset bto bOFF
b b b b b b
reset bto bON b b
arc bcontainment bincludes b- bcorrect banswer-horns bcarry bcurrent bto bchute, ballow barc
b b b b b b b b b b b
bto bjump bout
b b b
arc bchute blengthens bdistance bfor barc bto btravel
b b b b b b b
oil bsuppresses barc
b b
splitter bplates bsplit bthe barc b b b b
arc bcontrol bfactors b- bcorrect banswer-reduced bhorns bwidth bminimize barc bx bsection
b b b b b b b b b b b
more bplates bsplit barc binto bmultiple bsmaller bvoltages
b b b b b b b
maximize barc bchute bincreases btravel bdistance bfor barc b b b b b b b
Four bkey bparts bof bMCBs b- bcorrect banswer-A. btrip boperating bunit
b b b b b b b b b b
B. bcontrol bcontacts bunit
b b b
C. barcing bext. bunit
b b b
D. bframe bunit
b b
describe b(A. btrip boperating bunit b) bcomponent bfunction b- bcorrect banswer-bi-
b b b b b b b b b b
metal/mag. bprovides bmechanism bfor bdetection bof bfault bcurrent band bopens bcontacts b b b b b b b b b b
describe b(B. bcontrol bcontacts bunit b) bcomponent bfunction b- bcorrect banswer-contacts
b b b b b b b b b b
ballows bthe bsupply bcurrent bto bflow bduring bnormal brunning bwhen bMCB bis bclosed
b b b b b b b b b b b b b
All Answers b b
types bof bMCB btrips b- bcorrect banswer-thermal
b b b b b b
magnetic
thermal btripping b- bcorrect banswer-bi-metal bstrip, bused bfor boverload bcurrents
b b b b b b b b b
bprotection
b
magnetic btripping b- bcorrect banswer-magnetic binductor, bused bfor bshort bcircuit
b b b b b b b b b
bprotection
b
reset bprocedure b- bcorrect banswer-reset bto bOFF
b b b b b b
reset bto bON b b
arc bcontainment bincludes b- bcorrect banswer-horns bcarry bcurrent bto bchute, ballow barc
b b b b b b b b b b b
bto bjump bout
b b b
arc bchute blengthens bdistance bfor barc bto btravel
b b b b b b b
oil bsuppresses barc
b b
splitter bplates bsplit bthe barc b b b b
arc bcontrol bfactors b- bcorrect banswer-reduced bhorns bwidth bminimize barc bx bsection
b b b b b b b b b b b
more bplates bsplit barc binto bmultiple bsmaller bvoltages
b b b b b b b
maximize barc bchute bincreases btravel bdistance bfor barc b b b b b b b
Four bkey bparts bof bMCBs b- bcorrect banswer-A. btrip boperating bunit
b b b b b b b b b b
B. bcontrol bcontacts bunit
b b b
C. barcing bext. bunit
b b b
D. bframe bunit
b b
describe b(A. btrip boperating bunit b) bcomponent bfunction b- bcorrect banswer-bi-
b b b b b b b b b b
metal/mag. bprovides bmechanism bfor bdetection bof bfault bcurrent band bopens bcontacts b b b b b b b b b b
describe b(B. bcontrol bcontacts bunit b) bcomponent bfunction b- bcorrect banswer-contacts
b b b b b b b b b b
ballows bthe bsupply bcurrent bto bflow bduring bnormal brunning bwhen bMCB bis bclosed
b b b b b b b b b b b b b
