Mechanical Engineering - Thermodynamics - Discussion
Discussion Forum : Thermodynamics - Section 1 (Q.No. 43)
43.
When cut-off ratio is __________ the efficiency of Diesel cycle approaches to Otto cycle efficiency.
Discussion:
23 comments Page 1 of 3.
Vipul said:
1 decade ago
How can cut off ratio is less than 1? it can not be 0.
Sssrinivas said:
1 decade ago
Otto cycle has more efficiency than diesel one, when cutoff ratio avoids diesel cycle reaches approx to otto.
Abhishek said:
1 decade ago
Cut off ratio can never be 0.
Keshav galav said:
1 decade ago
It can be only approx result because a gamma (1.4) term will be there.
Nakul S said:
10 years ago
Exact answer for this is 1.
Nakul S said:
10 years ago
Exact answer for this is 1. Cut off is zero but cut off ratio is 1.
Spandan said:
9 years ago
Cut off ratio is the ratio of cylinder volumes after and before the combustion process. So, obviously, the ratio should be greater than zero.
When the cut-off ratio is 1 the efficiency of diesel cycle approaches to that of otyo cycle.
When the cut-off ratio is 1 the efficiency of diesel cycle approaches to that of otyo cycle.
Vanraj Gajarotar said:
9 years ago
Right answer is Option D, because cutt-off ratio equal to 1 put in equation then the efficiency of Diesel cycle approaches to Otto cycle efficiency.
ASIF said:
9 years ago
The answer should be 1. Because cut off is zero and cut off ratio is 1.
Arun said:
9 years ago
I am sure that the answer is definitely one.
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