tell me 1 name of device where work & heat transfer is -ve
Answers were Sorted based on User's Feedback
Answer / karthick
the answer is refrigeration
because work is given to the system to extract heat so it
is negative
and heat is transferred from the cold body to hot body so
it is also negative
Is This Answer Correct ? | 15 Yes | 0 No |
Answer / 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.
Is This Answer Correct ? | 7 Yes | 7 No |
junior engineeer (railway previous questions)
plz send me section engg. question papper for mechanical engg.
Crankcase oil mist detector
in boiler light up y APH start first
What is the maximum use of magnesium ?
Why the electric motor of a fan with backward curved blades is never got overloaded under any condition ?
What are steam turbine parts usually come into damage?
3 Answers ABC Inc, RRB, Siemens,
Why is over-pressurizing an air conditioning system bad?
What is the function of "magnetic center" in Alternator?
explain about where should we use deep groove ball bearings,angular contact ball bearings,spherical roller bearings,taper roller bearings,cylindrical roller bearings and thrust bearings
Is critical speed temperature dependent or speed dependent or both?
how many maximum enter 2mm Dia solid cylindrical pipe into 8mm Dia hollow cylindrical pipe. give answer with calculation.