Electrical Machines At stand still condition the value of slip is 0 1 finite value infinite value 0 1 finite value infinite value ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For standing a DC motor a starter is required because it limits the starting current to a safe value. It starts the motor. it limits the speed of the motor. None of these it limits the starting current to a safe value. It starts the motor. it limits the speed of the motor. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole dynamo with wave wound armature has 51 slots contains 20 conductors in each slot. If induced emf 357 Volts and speed is 8500 rpm, flux per pole will be 3.5 mWb. 2.7 mWb. 1.4 mWb. 1.2 mWb. 3.5 mWb. 2.7 mWb. 1.4 mWb. 1.2 mWb. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the function of inter pole in DC generator? Both option B and C. To neutralize the distortion of main field flux due to armature reaction. To serve the economical aspects. To get a superior commutation. Both option B and C. To neutralize the distortion of main field flux due to armature reaction. To serve the economical aspects. To get a superior commutation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC motors, under trailing pole tips, flux density will_______ ? increase None of these either increase or decrease decrease increase None of these either increase or decrease decrease ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Reversing the direction of rotation of split phase motors is done by All of these reversing the terminals of main winding. interchanging the capacitor from starting winding to main winding or vice versa. reversing the terminals of starting winding. All of these reversing the terminals of main winding. interchanging the capacitor from starting winding to main winding or vice versa. reversing the terminals of starting winding. ANSWER DOWNLOAD EXAMIANS APP
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