Answer Posted / arvind yeram

answer is heat pump.

the work is done on the system hence it is negative.
heat is rejected by the system hence it is also negative.

Which material amoung EN8 and EN24 should be selected for the designing of the shafts of rotary kilns

1506

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HELLO SIR VERY GOOD EVENING SIR, I'M KALAMANI. I NEED TO PREPARE FOR UPCOMING "JINDAL STEEL AND POWER LTD" INTERVIEW. I'M MECHANICAL ENGINEER SIR. SO PLEASE SEND ABOUT JINDAL's PREVIOUS APTITDE TEST QESTION PAPERS TO MY MAIL ID : , , . I WANT TO KNOW ABOUT THEIR PROCEDURE TO BE HELD ON THE INTERVIEW? SO PLEASE SIR SEND UR VALUABLE ANSWER TO ME ON ABOVE MAIL ID SIR. THANK U SIR.

2017

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What instrument in a car measures its speed?

1182

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sir iam vinod kumar i have done B.TECH. in mechanical engg in 2007 i want to choose career as section engg.please give the information about coaching institute.

1845

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If you want to provide water or any chemical @ 50 meter height how much head will you prefer for any selected pump...consider it is M.S pipings...how much friction loss will be there...show with calculation.

2342

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What do you treat in high alkalinity of boiler water? What is a feed water pump? What is a Booster pump?

2032

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What kind of paper airplane flies the farthest?

1100

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What is screw,centrifugal and rotary type compressors,how it works and what is principle .

1946

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how the magnetic trains are leviated(MAGLEV)?

2046

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• How far is your home from the institute?

2376

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how much capacity of id fan for 200HP induction motor

1400

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Which instrument measures speed in a car?

1030

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What is a bearing?

1109

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Enumerate some trouble of fuel injection valve

1978

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What are your specific job requirements in mechanical engineers?

970

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