Electrical Machines Which of the following load normally needs starting torque more than rated torque? Blowers. Centrifugal pumps. Air compressors. Conveyers. Blowers. Centrifugal pumps. Air compressors. Conveyers. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Methods of synchronizing of alternator may be done by all of these. all dark lamp method. one dark two bright. all bright lamp method. all of these. all dark lamp method. one dark two bright. all bright lamp method. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the necessity of copper brushes in a dc motors? To absorb the mechanical shocks produced during running condition. To convert alternating supply current to direct current. To increase the flux cutting by the rotor. None of these. To absorb the mechanical shocks produced during running condition. To convert alternating supply current to direct current. To increase the flux cutting by the rotor. None of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If a shunt generator delivers 100 A at 200 V, and the resistances of the shunt field and armature are 100 ohms and 0.01 ohms respectively, the generator emf will be no resistance is connected. series. parallel. any one of the connection. no resistance is connected. series. parallel. any one of the connection. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The reduced air gap results in an increase cost of operation. power factor. breaking torque. starting torque. cost of operation. power factor. breaking torque. starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type motors are preferred for lathes? Either A or B. Squirrel Cage induction motor. DC shunt motors. Synchronous motor. Either A or B. Squirrel Cage induction motor. DC shunt motors. Synchronous motor. ANSWER DOWNLOAD EXAMIANS APP