Mechanical Engineering - Automobile Engineering - Discussion
Discussion Forum : Automobile Engineering - Section 3 (Q.No. 27)
27.
In case of a Diesel car, the pressure at the end of compression is of the order of
Discussion:
6 comments Page 1 of 1.
Digvijay said:
9 years ago
45 is closest.
Since adiabatic process, so PV^gama = Constant.
Gama = 1.4 for air.
Compression ratio = 15 normally for diesel engine.
P2 = P1 * (V1/V2) ^gama.
P2 = 15^1.4.
= 44.35.
So 45.
Since adiabatic process, so PV^gama = Constant.
Gama = 1.4 for air.
Compression ratio = 15 normally for diesel engine.
P2 = P1 * (V1/V2) ^gama.
P2 = 15^1.4.
= 44.35.
So 45.
Rajiv Ramaswamy said:
9 years ago
Hi, @Bhautik are you sure?
Please explain if you have any specific reasons.
Please explain if you have any specific reasons.
Bhautik said:
9 years ago
Right answer is 35 bar we already discuss.
Dhavlo said:
9 years ago
Yes, I too agree that it is 35 bar.
S n sahu said:
8 years ago
It's answer is 35 bar.
Jnk said:
9 years ago
It is 35 bar.
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers