Electrical Machines Armature resistance control method is used for the _______ ? above rated speed both 1 and 2 below rated speed None of these above rated speed both 1 and 2 below rated speed None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hopkinss test in DC motor is conducted at ? None of these. Low load. Full load. No load. None of these. Low load. Full load. No load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What type of connection is made in between the inter-pole and the field winding? Series. None of the options. Compound. Parallel. Series. None of the options. Compound. Parallel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The 3 - Φ induction motor with rotor circuit open will make noise. run normally. get over heated. not run. make noise. run normally. get over heated. not run. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous machine, if φ is the flux per pole and f is the frequency of the emf induced E then E ∝ φf E ∝ 1/(φf) E ∝ f/φ E ∝ φ/f E ∝ φf E ∝ 1/(φf) E ∝ f/φ E ∝ φ/f ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Width of a carbon brush should be equal to less than the width of commutator segment. the width of the 2 to 3 commutator segment. the width more than 3 commutator segment. the width of the 1 to 2 commutator segment. less than the width of commutator segment. the width of the 2 to 3 commutator segment. the width more than 3 commutator segment. the width of the 1 to 2 commutator segment. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS