Electrical Machines As compared to an induction motor, the air gap in a DC motor is more. less than 50%. same. between 50% and 90%. more. less than 50%. same. between 50% and 90%. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following motor is preferred for belt conveyor? Universal motor. Reluctance motor. Slip ring induction motor. Synchronous motors. Universal motor. Reluctance motor. Slip ring induction motor. Synchronous motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A cumulatively compounded dc motor delivers rated load power at rated speed. If the series field is short-circuited, then Ia remains constant but ωm increase Ia increases and ωm decreses both armature current Ia and speed ωm increase both decrese Ia remains constant but ωm increase Ia increases and ωm decreses both armature current Ia and speed ωm increase both decrese ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statement is true for an AC synchronous motor? It is a constant speed motor. It is a variable speed motor. It is a high reluctance motor. It is a step angled motor. It is a constant speed motor. It is a variable speed motor. It is a high reluctance motor. It is a step angled motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The synchronous reactance( Xs) is the combined reactance due to armature reaction and leakage flux reactance due to leakage flux reactance either due to armature reaction or leakage flux reactance due to armature reaction of the machine combined reactance due to armature reaction and leakage flux reactance due to leakage flux reactance either due to armature reaction or leakage flux reactance due to armature reaction of the machine ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In synchronous generator V curve is drawn between field current on Y-axis and armature current on X-axis. field current on X-axis and power factor on Y-axis. field current on X-axis and armature current on Y-axis. either of these. field current on Y-axis and armature current on X-axis. field current on X-axis and power factor on Y-axis. field current on X-axis and armature current on Y-axis. either of these. ANSWER DOWNLOAD EXAMIANS APP
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