Electrical Machines When the mechanical power is developed by a DC motor maximum back emf is equal to applied voltage. Back emf is equal to half of applied voltage. None of above. Back emf is equal. back emf is equal to applied voltage. Back emf is equal to half of applied voltage. None of above. Back emf is equal. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two generators operating in parallel with rating 50MW and 100MW respectively. Both their respective governor settings are identical as 4%, consider same no load frequency. How will the machine share a common load of 100 MW 33.33 MW and 66.67 MW respectively 66.67 MW and 33.33 MW respectively any of the above 50 MW and 50 MW respectively 33.33 MW and 66.67 MW respectively 66.67 MW and 33.33 MW respectively any of the above 50 MW and 50 MW respectively ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Induction motors have the advantage of simple in construction. all of below. less maintenance. less cost. simple in construction. all of below. less maintenance. less cost. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which of the following DC Motor the ratio of starting torque to full load torque is minimum? Cumulative compound motor. Shunt motor. Series motor. Differential compound motor. Cumulative compound motor. Shunt motor. Series motor. Differential compound motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which of the following speed control of DC motor the speed obtained is below than the rated speed? Armature circuit resistance control. Any of above. Armature voltage control. Field resistance control. Armature circuit resistance control. Any of above. Armature voltage control. Field resistance control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Diverters are used only in shunt motors either of these series motors None of these shunt motors either of these series motors None of these ANSWER DOWNLOAD EXAMIANS APP
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