Electrical Machines The supply voltage to an induction motor is reduced by 10%. By what percentage, approximately, will the maximum torque decrease? 10% 19% 40% 5% 10% 19% 40% 5% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The starting resistance of DC motor is generally around 500 ohms. Low. 1000 ohms. Infinitely large. around 500 ohms. Low. 1000 ohms. Infinitely large. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, the electricity produced in armature is armature is not present in DC generator. DC. AC. None of these armature is not present in DC generator. DC. AC. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In double cage induction motor, the outer cage offers low resistance and high reactance. low resistance and low reactance. high resistance and high reactance. high resistance and low reactance. low resistance and high reactance. low resistance and low reactance. high resistance and high reactance. high resistance and low reactance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous generator, if mechanical input is increased with constant excitation, the load angle will increase either increase or decrease decrease None of these increase either increase or decrease decrease None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Minimum allowable resistivity of power transformer insulating oil is generally taken as 1 X 1012 Ω - cm at 27°C and 0.1 X 1012 4 X 1012 Ω - cm at 27°C and 0.4 X 1012 3 X 1012 Ω - cm at 27°C and 0.3 X 1012 2 X 1012 Ω - cm at 27°C and 0.2 X 1012 1 X 1012 Ω - cm at 27°C and 0.1 X 1012 4 X 1012 Ω - cm at 27°C and 0.4 X 1012 3 X 1012 Ω - cm at 27°C and 0.3 X 1012 2 X 1012 Ω - cm at 27°C and 0.2 X 1012 ANSWER DOWNLOAD EXAMIANS APP