Electrical Machines In DC machine shape of main field flux distribution is? flat tapped or trapezoidal peaky in nature triangular saddle shape flat tapped or trapezoidal peaky in nature triangular saddle shape ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Series generators are used in which of the following applications? Arc welding. Used as boosters in dc distribution or transmission. Air crafts. All of these Arc welding. Used as boosters in dc distribution or transmission. Air crafts. All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ward Leonard control is provides speed control In both direction. Below rated speed. Above rated speed. In one direction only. In both direction. Below rated speed. Above rated speed. In one direction only. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following will vary the maximum torque? both 1 and 2 None of these rotor resistance R rotor reactance X both 1 and 2 None of these rotor resistance R rotor reactance X ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines R1 is the resistance of the primary winding of the transformer. The turn ratio in terms of primary to secondary is K. Then the equivalent resistance of the primary referred to secondary is K×R1 R1 /K² K²R1 R1 /K K×R1 R1 /K² K²R1 R1 /K ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A belt-driven cumulatively-compound dc generator is delivering power to the dc mains. If the Belt snaps then the machine will run as a differentially compounded motor in the same direction cumulative compounded motor in the same direction differentially compounded motor in the opposite direction cumulative compounded motor in opposite direction differentially compounded motor in the same direction cumulative compounded motor in the same direction differentially compounded motor in the opposite direction cumulative compounded motor in opposite direction ANSWER DOWNLOAD EXAMIANS APP
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