Electrical Machines The slip of an induction motor during DC rheostatic braking is 2 + s. s. 1 - s. 2 - s. 2 + s. s. 1 - s. 2 - s. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If an AC servomotor has one of its winding excited by AC, then voltage measured at the other winding with rotor running will be proportional to rotor speed. proportional to square of rotor speed. zero. constant independent of speed. proportional to rotor speed. proportional to square of rotor speed. zero. constant independent of speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Conservator tank is used for better cooling of transformer. to act as an oil storage. to take up the expansion of oil due to temperature rise. None of these for better cooling of transformer. to act as an oil storage. to take up the expansion of oil due to temperature rise. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 3-phase induction motor, torque and supply voltage are related as T ∝ 1/V² T ∝ V T∝ V² T ∝ 1/V T ∝ 1/V² T ∝ V T∝ V² T ∝ 1/V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The core flux in transformer depends mainly on supply voltage, frequency and load supply voltage and load supply voltage supply voltage and frequency supply voltage, frequency and load supply voltage and load supply voltage supply voltage and frequency ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which is the arrangement of windings in a core type single phase transformer? Lv on one core limb and hv on the other Half hv inside and half lv outside on each core limb Half lv inside and half hv outside on each core limb Sandwiched lv and hv discs on each core limb Lv on one core limb and hv on the other Half hv inside and half lv outside on each core limb Half lv inside and half hv outside on each core limb Sandwiched lv and hv discs on each core limb ANSWER DOWNLOAD EXAMIANS APP