If anybody have technical test papers for HPCL. Pls, mail me on akanksha417@yahoo.com.

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Define hold time?

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What is an instrumentation amplifier and the need for?

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What is the difference between Synthesised Frequency Hopping and Base Band Frequency Hopping?

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# What is D-FF? # What is the basic difference between Latches and Flip flops? # What is a multiplexer? # How can you convert an SR Flip-flop to a JK Flip-flop? # How can you convert an JK Flip-flop to a D Flip-flop? # What is Race-around problem? How can you rectify it?

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Explain what kind of negative feedback is present in a noninverting op-amp.

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What is the functions of sim and Sam cards in ECI telecom?

0 Answers   Airtel, PK,

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What is the turn-off time for converter grade scrs and inverter grade scrs?

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What electron gun assembly is provided in crt?

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what is up linl?

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Desktop comes in which layer?...

1 Answers   Cisco,

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am going 2 write railway exam 4 d post of section engineer..i wnt 2 knw abt d que pattern n d previous year que papers

0 Answers   RRB,

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