Related InterviewSolutions

• The delay of the commutation occurs due base cause of emf induced due to _________(a) self inductance, mutual inductance(b) self inductance(c) mutual inductance(d) leakage inductanceThe question was posed to me during an interview for a job.My doubt stems from Rotating Amplifiers topic in portion DC Generators of Electrical Machines
• Mark the order for the decreasing order of the voltage regulation for dc generators.(a) DC shunt generator > level compound generator > Differential compound generator(b) DC shunt generator < level compound generator < Differential compound generator(c) Level compound generator > DC shunt generator > Differential compound generator(d) Level compound generator < DC shunt generator < Differential compound generatorI had been asked this question in exam.My doubt stems from Rotating Amplifiers in division DC Generators of Electrical Machines
• Interpoles provide mmf more than armature mmf in a dc machine.(a) True(b) FalseThe question was posed to me during a job interview.Origin of the question is Rotating Amplifiers in portion DC Generators of Electrical Machines
• Amplidynes are best applicable in _________(a) feedback control systems with regulated power supply.(b) power supply(c) speed control of large motors(d) All of the mentionedI got this question by my college director while I was bunking the class.The above asked question is from Rotating Amplifiers topic in chapter DC Generators of Electrical Machines
• In amplidynes, the resultant d-axis flux is _________(a) field flux(b) difference of field flux and main flux(c) sum of field flux and main flux(d) cross magnetizing fluxThis question was addressed to me in examination.My enquiry is from Rotating Amplifiers in section DC Generators of Electrical Machines
• An amplidyne, d-axis flux is always neutralized due to _________(a) compensating winding at all possible loads(b) interpoles at all specified loading(c) feedback at all possible loads(d) feedback at fixed loadingThis question was posed to me in unit test.The query is from Rotating Amplifiers in portion DC Generators of Electrical Machines
• Metadyne is _________ feedback with respect to main ___________(a) negative, current(b) negative, voltage(c) positive, current(d) positive, voltageThis question was posed to me in final exam.My question is from Rotating Amplifiers in section DC Generators of Electrical Machines
• In cross field rotating amplifiers, there is _________(a) two stage of flux generators(b) three stage of flux generators(c) four stage of flux generators(d) eight stage of flux generatorsI have been asked this question in an interview for job.My query is from Rotating Amplifiers in section DC Generators of Electrical Machines
• The cross field machines have _________(a) two fluxes electrically in quadrature(b) two fluxes mechanically in quadrature(c) one set of brushes per pole(d) all of the mentionedI had been asked this question in semester exam.This interesting question is from Rotating Amplifiers in section DC Generators of Electrical Machines
• In rotating amplifiers, armature reaction mmf of the first stage is made to act as field flux for second stage.(a) True(b) FalseThis question was posed to me during an interview.My doubt is from Rotating Amplifiers topic in chapter DC Generators of Electrical Machines