Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Physics Thermodynamics Heat engines
The heat sink in a heat engine is used to -
1
Supply the heat to the engine for doing the work
2
Eject the extra heat from the engine after work done by the engine
3
Store the heat energy
4
More than one of the above
5
None of the above