What factors reduce the efficiency of a heat engine from its ideal value?
Specific types of engines have lower limits on their efficiency due to the inherent irreversibility of the engine cycle they use. The non ideal behavior of real engines, such as mechanical friction and losses in the combustion process causes further efficiency losses.
Which of the following would decrease the efficiency of a heat engine?
A decrease in it’s operating temperature would make a heat engine less efficient. This is because in order to operate, a heat engine needs to be hot and maintain that temperature.
Which change would increase the maximum theoretical efficiency of a heat engine?
to increase the efficiency of the engine, the temperature of the cold reservoir should be decreased and thus the temperature of hot reservoir be increased. So, decrease the ratio of Tc/TH.
Which of the following has the highest joining efficiency Examveda?
Laser beam welding
On what factor the efficiency of Carnot engine depends?
The efficiency of a Carnot engine depends solely on the temperatures of the hot and cold reservoirs. Carnot’s theorem states that all heat engines between two heat reservoirs are less efficient than a Carnot heat engine operating between the same reservoirs.
What are two essential features of Carnot’s ideal heat engine?
Answer. 1-It should have a source of infinite thermal capacity. 2-It should have a sink of infinite thermal capacity.
On what factor does the temperature of the engine depend?
It is clear that the efficiency of carnot engine depends on the temperature of hot source and temperature of cold source or we can sya that it depends on the temperature of source of heat and sink.
On what factor does the temperature of the engine depends *?
On what factor does the temperature of the engine depend? Explanation: Compression ratio is the ratio of the cylinder volume at the end of the suction stroke to the volume at the end of the compression stroke of the piston. Rate of oxidation is depended on the temperature.