Electrical Machines The principle of dynamically induced emf is utilized in thermocouple. choke. generator. transformer. thermocouple. choke. generator. transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC shunt generator builds up 230 V when driven in clockwise direction. In case it is driven in anti clockwise direction, other things remaining unchanged, then the voltage build up is 230 V some what less than 230 V not possible some what more than 230 V 230 V some what less than 230 V not possible some what more than 230 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which is the arrangement of windings in a core type single phase transformer? Half lv inside and half hv outside on each core limb Lv on one core limb and hv on the other Sandwiched lv and hv discs on each core limb Half hv inside and half lv outside on each core limb Half lv inside and half hv outside on each core limb Lv on one core limb and hv on the other Sandwiched lv and hv discs on each core limb Half hv inside and half lv outside on each core limb ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Consider the following statements: To control the speed of a dc shunt motor above the base speed over a reasonably wide range, the motor must 1. have compensating winding 2. have interpole winding 3. be started using a 3-point starter 4. be started using a 4-point starter Of these statements 1, 2 and 4 are correct 2 and 4 are correct 1 and 3 are correct 1, 2 and 3 are correct 1, 2 and 4 are correct 2 and 4 are correct 1 and 3 are correct 1, 2 and 3 are correct ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What does happen if tripled harmonics given to induction motor? Fail to start. Will results in open circuit. Will results in short circuit. Nothing will happen. Fail to start. Will results in open circuit. Will results in short circuit. Nothing will happen. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Speed of DC motor can be controlled by varying all of these. applied voltage. its flux oer pole. resistance of armature culture. all of these. applied voltage. its flux oer pole. resistance of armature culture. ANSWER DOWNLOAD EXAMIANS APP