Electrical Machines Belt conveyors offer _______________ starting torque. low. medium. zero. high. low. medium. zero. high. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 220 V DC machine has an armature resistance 1Ω. If the full load current is 20 A, the difference of induced voltage and generator is 20 V. 60 V. 0 V. 40 V. 20 V. 60 V. 0 V. 40 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a DC Shunt Motor having armature resistance of 0.5 Ω and 2A armature current at no-load, when the armature current is changed to 20A at loaded condition the speed is 1000 r.p.m. What is the speed at no-load? 4575.4 r.p.m. 963.8 r.p.m. 1130 r.p.m. 1037.5 r.p.m. 4575.4 r.p.m. 963.8 r.p.m. 1130 r.p.m. 1037.5 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the air gap of IM is increased, ____________ will increase. speed. air gap flux. magnetizing current. power factor. speed. air gap flux. magnetizing current. power factor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If direct axis reactance Xd and quadrature axis reactance Xq are equal, then reluctance power is All of these zero minimum maximum All of these zero minimum maximum ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following transformer insulating oil generally used in India? Paraffin based insulating oil. Olefin based insulating oil. Naphtha based insulating oil. Aromatics based insulating oil. Paraffin based insulating oil. Olefin based insulating oil. Naphtha based insulating oil. Aromatics based insulating oil. ANSWER DOWNLOAD EXAMIANS APP
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