Electrical Machines Maximum power developed depends on voltage reactance both 1and 2 load angle voltage reactance both 1and 2 load angle ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The maximum power developed in cylindrical synchronous machine is occurs at a load angle of 0o. Greater than 90o. 90o. less than 90o. 0o. Greater than 90o. 90o. less than 90o. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction in dc motor results decrease in speed. open circuit. short circuit. increase in speed. decrease in speed. open circuit. short circuit. increase in speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines No load saturation characteristics are plotted between no load voltage and field current short circuit current and armature current no load voltage and armature current short circuit current and field current no load voltage and field current short circuit current and armature current no load voltage and armature current short circuit current and field current ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature shaft must be able to withstand All of these any unbalanced magnetic pull on the armature core. twisting strains due to transmission of torque. bending moment due to weight of the armature. All of these any unbalanced magnetic pull on the armature core. twisting strains due to transmission of torque. bending moment due to weight of the armature. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Under which of the following conditions is a dc motor provided with compensating winding used ? 1. Wide range of speed control above normal 2. Wide range of steady load variation with no speed control 3.Wide range of rapid variation in load Select the correct answer using the codes given below : Codes : 2 and 3 1 and 2 1 and 3 1, 2 and 3 2 and 3 1 and 2 1 and 3 1, 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
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