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In a synchronous motor it the back e.m.f. generated in the armature at noload is approximately equal to the applied voltage, then
An over excited synchronous motor on noload is known as
In an actual transformer the iron loss remains practically constant from noload to fullload because
a motor -cycle covers 40 Km with a speed of 20 km /hr. Find the speed of the motor -cycle for the next 40 km journey so that the average speed of the whole journey will be 30 km / hr.
A motor cycle covers 40 km with a speed of 20 km/hr. Find the speed of the motor cycle for the next 40 km journy so that the average speed of the whole journey will be 30 km/hr?
Size of a high speed motor as compared to low speed motor for the same H.P. will be
A motor pool has 300 vehicles of which 30% are trucks. 20% of all the vehicles in the motor pool are diesel, including 15 trucks. What percent of the motor pool is composed of vehicles that are neither trucks nor diesel?
By looking at which part of the motor, it can be easily confirmed that a particular motor is D.C. motor?
Of the 120 households in an area, 55 have cars, 35 have motor bikes, and 20 have both cars and motor bikes. How many of the households in the area have neither cares nor motor bikes?
One D.C. motor drives another D.C. motor. The second D.C. motor when excited and driven