Electrical Machines In an induction motor, air gap power is 10 Kw and mechanically developed power is 8 Kw. What are the rotor ohmic losses? 1.5KW 0.5Kw 3KW 2KW 1.5KW 0.5Kw 3KW 2KW ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature resistance control method is used for the _______ ? above rated speed below rated speed None of these both 1 and 2 above rated speed below rated speed None of these both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The wound rotor type IM is used for____________ speed operation. minimum. maximum. constant. variable. minimum. maximum. constant. variable. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Field weakening control method is used for the _________ ? both A and B below rated speed None of these above rated speed both A and B below rated speed None of these above rated speed ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC shunt generator builds up 230 V when driven in clockwise direction. In case it is driven in anti clockwise direction, other things remaining unchanged, then the voltage build up is some what more than 230 V 230 V some what less than 230 V not possible some what more than 230 V 230 V some what less than 230 V not possible ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What type of dielectric material is used in capacitors used for fans and for power factor correction? Glass. Oil impregnated paper. Mica. Vacuum. Glass. Oil impregnated paper. Mica. Vacuum. ANSWER DOWNLOAD EXAMIANS APP
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