Electrical Machines Maximum allowable moisture content of power transformer insulating oil is generally taken as 25 ppm. 20 ppm. 35 ppm. 45 ppm. 25 ppm. 20 ppm. 35 ppm. 45 ppm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Lamination of transformer core is made of cast steel. wrought iron. silicon steel. cast iron. cast steel. wrought iron. silicon steel. cast iron. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ideal value of voltage regulation of a device is? ∞ a positive finite value a finite negative value 0 ∞ a positive finite value a finite negative value 0 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What type of dielectric material is used in capacitors used for fans and for power factor correction? Glass. Vacuum. Mica. Oil impregnated paper. Glass. Vacuum. Mica. Oil impregnated paper. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In 3 - Φ induction motor some times copper bars are placed deep in the rotor to improve efficiency. improve power factor. improve starting torque. reduce copper loss. improve efficiency. improve power factor. improve starting torque. reduce copper loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the speed of a dc motor increases with load torque, then it is a differentially compounded motor series motor comulatively compounded motor permanent magnet motor differentially compounded motor series motor comulatively compounded motor permanent magnet motor ANSWER DOWNLOAD EXAMIANS APP
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