DC Motors Which method of braking is generally used in elevators? Regenerative braking Plugging None of these Rheostat braking Regenerative braking Plugging None of these Rheostat braking ANSWER DOWNLOAD EXAMIANS APP
DC Motors The greatest percentage of power loss in a dc motor is due to Friction loss Copper loss Core loss Windage loss Friction loss Copper loss Core loss Windage loss ANSWER DOWNLOAD EXAMIANS APP
DC Motors In D.C. shunt motors as load is reduced The speed will reduce The speed will remain almost/constant The speed will increase in proportion to reduction in load The speed will increase abruptly The speed will reduce The speed will remain almost/constant The speed will increase in proportion to reduction in load The speed will increase abruptly ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following law can be used to determine the direction of rotation of dc motor? Faraday's law Fleming's left hand rule Coloumb's law Lenz's law Faraday's law Fleming's left hand rule Coloumb's law Lenz's law ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following motors is most suitable for signalling devices and many kinds of timers ? Reluctance motor C. series motor Induction motor C. shunt motor Reluctance motor C. series motor Induction motor C. shunt motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The starting resistance of a DC motor is generally 1000 Ω Infinitely large Low Around 500 Ω 1000 Ω Infinitely large Low Around 500 Ω ANSWER DOWNLOAD EXAMIANS APP
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