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A heat engine receives 7.0
If a carnot engine receives heat from a heat source and discharge 1000J to a heat sink at temperature of 27C in each cycle,
2 answers
asked by
hiqk
774 views
1. A heat engine receives 7000 J of heat and loses 3000 J in each cycle. What is the amount of work done by this engine?
1 answer
asked by
Rrr
448 views
Why is it impossible for a heat engine to be 100% efficient?
a. Entropy always decreases in a heat engine b. Work cannot be done
1 answer
asked by
kricket
104 views
Why is it impossible for a heat engine to be 100% efficient?
A) Work cannot be done on a heat engine. B) Some heat is always lost
1 answer
asked by
Iwannaknow
174 views
A Carnot engine is operated between two heat reservoirs at temperatures 520 K and 300 K. (a) If the engine receives 6.45 kJ of
0 answers
asked by
Jen
992 views
A Carnot engine is operated between two heat reservoirs at temperatures 520 K and 300 K. (a) If the engine receives 6.45 kJ of
3 answers
asked by
Jen
2,500 views
An engine receives 780 J of heat from a hot reservoir and does 180 J of work. What is the efficiency of this engine? What is the
0 answers
asked by
micheal
438 views
Heat engine X takes four times more energy by heat from the hot reservoir than heat engine Y. Engine X delivers two times more
1 answer
asked by
jean
3,433 views
A heat engine receives 7.0 x 10^3 J of heat and loses 3.0 x 10^3 J in each cycle. What is the efficiency?
1-30% 2-43% 3-57% 4-70%
1 answer
asked by
shirly
1,959 views
Just as no mechanical device can be 100% efficient, no heat engine can transfer 100% of its heat to a single object. Some of the
1 answer
asked by
Jessica
1,102 views