Electrical Machines Induction motors have the advantage of all of below. less cost. simple in construction. less maintenance. all of below. less cost. simple in construction. less maintenance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Motors for fans and pumps are selected in the rpm range 375 to 500. 1440 to 2880. 720 to 920. 500 to 720. 375 to 500. 1440 to 2880. 720 to 920. 500 to 720. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The ___________________ generator has the poorest voltage regulation. over compounded. shunt. under-compounded. differential compounded. over compounded. shunt. under-compounded. differential compounded. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two synchronous generators operating in parallel 200 MW and 400 MW respectively. The drooping characteristics of their governors are identical as 4% from no load to full load. Consider the governors operating at 50Hz on no load. What is the operating frequency, if the load is 600 MW? 48 Hz 50 Hz 48.5 Hz 45 HZ 48 Hz 50 Hz 48.5 Hz 45 HZ ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC motor under constant terminal voltage what is the relation between torque (Te) and power (P) T∝ P³ T is independent of P T∝ P T∝ P² T∝ P³ T is independent of P T∝ P T∝ P² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Counter emf of a DC motor exceeds supply voltage helps in energy conversion. aids applied voltage. regulates its armature voltage. exceeds supply voltage helps in energy conversion. aids applied voltage. regulates its armature voltage. ANSWER DOWNLOAD EXAMIANS APP