This is best answers by B.E students during viva. >------------ ---------> This one is for those who had nightmares during their Engineering Viva's (EEEs and ECEs). They bring back fond memories for those who care to smile at the past ===================================== Interviewer: Why is a thicker conductor necessary to carry a current in A.C as compared to D.C. ? Candidate: An AC current goes up and down (drawing a sinusoid) and requires more space inside the wire, so the wire has to be thicker. ************ ********* ********* ********* **************** ********* ********* ********* ** External(to student) : "Why does a capacitor block DC but allow AC To pass through ? Student:See, a capacitor is like this ---| |--- , OK. DC comes straight, like this ----------, and the capacitor stops it. But AC,goes UP, DOWN, UP DOWN and jumps right over the capacitor!" ------------ ------- good one : - ) ************ ********* ********* ********* ********* ********* ********* ********* ********* Interviewer: How will you tell if that wall outlet carries AC or DC? Candidate:I will put my finger in. If it is pushed away, it is AC. If it gets stuck, it was DC. ************ ********* ********* ********* ********* ********* ********* ********* ********* Interviewer: H! ow will you reverse direction of an Induction motor? Candidate:I will remove the four bolts at the x-ud, turn the motor around, and put back the bolts. ************ ********* ********* ********* ********* ********* ********* ********* ********* Interviewer: How do you start a synchronous motor? Candidate:Vrrrrrrrmmmmmmmmmmm mmmmmmmm(in rising pitch) Interviewer: Stop! Stop! Candidate: rrrrrrrmmmmmmmmmmmm mmmmmmmm(in falling pitch) ************ ********* ********* ********* ********* ********* ********* ********* ********* Examiner: "What is a step-up transformer? " Student:"A transformer that is put on top of electric poles." Examiner (smiling): "And then what is a step-down transformer? " Student (hesitantly) :"Uh - A transformer that is put in the x-udment or in a pit?" Examiner (pouncing): "Then what do you call a transformer that is installed on the ground?" (Student knows he is caught-can't answer) Examiner (impatiently) : "Well?" Student (triumphantly) :"A stepless transformer, sir!" ************ ********* ********* ********* ********* ********* ********* ********* ********* TOP FACTS ABOUT ENGINEERS ************ ********* ********* ********* ********* ********* ********* ********* ********* Engineers at work: Assignments solved by one and then carry out mass transfer operations throughout the class ************ ********* ********* ********* ********* ********* ********* ********* ********* The most important machine for Engineers: Xerox Machine (Without which assignment Completion couldn't be possible) ************ ********* ********* ********* ********* ********* ********* ********* ********* Top two Engineering Rumours: Did you hear the results are being put up today at 5:30pm Did you hear the exams are postponed by two weeks ************ ********* ********* ********* ********* ********* ********* ********* ********* Common Engineering Dialogues after a paper: 'What is this man, 60% of the paper was out of the syllabus' 'This was the worst paper set in the entire engineering history' 'I am failing' ************ ********* ********* ********* ********* ********* ********* ********* *********
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