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Message: <blockquote data-quote="gayankuwait" data-source="post: 9264795" data-attributes="member: 312790"><p><strong><span style="font-size: 22px"><span style="color: darkred">INTERVIEW</span></span></strong></p><p></p><p><strong><span style="font-size: 18px"><span style="color: red">Sub: electrical Engineering</span></span></strong></p><p></p><p><span style="font-size: 15px"><strong><strong><strong>People come up with peculiar or funny answers in interviews or exams:</strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong></strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong><span style="color: red">Interviewer:</span> Why is a thicker conductor necessary to carry a current in A.C. as</strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong>compared to D.C. ?</strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong></strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong><span style="color: red">Candidate: </span>An AC current goes up and down (drawing a sinusoid) and requires more space inside the wire, so the wire has to be thicker.</strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong></strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong><span style="color: red">Interviewer: </span>How will you tell if that wall outlet carries AC or DC ?</strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong></strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong><span style="color: red">Candidate:</span> I will put my finger in. If it is pushed away, it is DC. If it gets stuck, it</strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong>was AC.</strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong></strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong><span style="color: red">Interviewer:</span> How will you reverse direction of an induction motor?</strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong></strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong><span style="color: red">Candidate:</span> I will remove the four bolts at the base, turn the motor around, and put back the bolts.</strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong></strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong><span style="color: red">Interviewer:</span> How do you start a synchronous motor?</strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong></strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong><span style="color: red">Candidate:</span> Vrrrrrrrmmmmmmmmmmmmmmmmmmm (in rising pitch)</strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong></strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong><span style="color: red">Interviewer:</span> Stop! Stop!</strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong></strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong><span style="color: red">Candidate:</span> rrrrrrrmmmmmmmmmmmmmmmmmmmm (in falling pitch)</strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong></strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong><span style="color: red">Interviewer:</span> How do you limit surge current within an integrated circuit?</strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong></strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong><span style="color: red">Candidate:</span> By using a miniature circuit breaker.</strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong></strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong><span style="color: red">External (to student) :</span> " Why does a capacitor block DC but allow AC to pass through?</strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong></strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong><span style="color: red">Student:</span> 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!"</strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong></strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong><span style="color: red">Examiner :</span> "What is a step-up transformer?"</strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong></strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong><span style="color: red">Student :</span> "A transformer that is put on top of electric poles."</strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong></strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong><span style="color: red">Examiner (smiling):</span> "And then what is a step-down transformer?"</strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong></strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong><span style="color: red">Student (hesitantly):</span>"Uh - A transfomer that is put in the basement or in a pit?"</strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong></strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong><span style="color: red">Examiner (pouncing):</span> "Then what do you call a transformer that is installed on the ground?"</strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong></strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong>(student knows he is caught -- can't answer)</strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong></strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong><span style="color: red">Examiner (impatiently): </span>"Well?"</strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong></strong></strong></strong></span></p><p><span style="font-size: 15px"><strong><strong><strong><span style="color: red">Student (triumphantly): </span>"A stepless transformer, sir!"</strong></strong></strong></span></p></blockquote><p></p>

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