SIEMENS Placement Paper Candidate Experiences Coimbatore-6 Jun 2010
Hi Guys, Aptitude is normal for written test.I was attend to SIEMENS directly in Coimbatore. But Technical round happened more than one and half hour to me. Here, i am contributing Technical questions.Technical: 1. Project explanation(25 min). 2. Difference between ordinary fan and sealing fan? I said, the both fans rotating in opposite direction means, ordinary fan in clockwise and sealing fan in anti clockwise direction. Reason is, wheel attached to rotor in ordinary fan, wheel attached to stator in sealing fan. Then, he said it was correct. 3. LAN Cable Explanation 4. Color coding of resistors 5. Indicate Two phase and Three phase current directions and symbols? Two phase(phase, neutral). Three phase(Ground, Phase and Neutral). Angle between phase and neutral is 180 degrees in two phase current. Angle between ground-phase, phase-neutral and ground-neutral is 120 degrees itself. Because total phase shift is 360 degrees itself. 6. Multivibrator types and applications?
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