Mechanical Engineering - IC Engines and Nuclear Power Plants - Discussion

Discussion Forum : IC Engines and Nuclear Power Plants - Section 1 (Q.No. 30)
30.
The thermal efficiency of diesel engines is about
15%
30%
50%
70%
Answer: Option
Explanation:

The thermal efficiency of diesel engines is about 30-50%. This means that for every 100 units of fuel energy input, the engine is able to convert 30-50 units of that energy into useful work. The remaining energy is lost as heat or exhaust.

The maximum theoretical efficiency of a diesel engine is about 70%. However, this is rarely achieved in practice due to factors such as friction, heat loss, and incomplete combustion.

Discussion:
36 comments Page 3 of 4.

Punith said:   8 years ago
I think the Thermal efficiency of the diesel engine is about 32-38%.

DHIRENDRA KUMAR said:   9 years ago
Is it 30 or 35%?

Kajal bachhav said:   9 years ago
Thermal efficiency of C.I engine is up to 40%.

RK CHHIMPA said:   9 years ago
Its 40% only which I have referred from various books.

Asif said:   9 years ago
Thermal efficiency of diesel engine is upto 35% only.

Heisenberg said:   9 years ago
40% for diesel is right!

JANAK said:   9 years ago
Thermal efficiency of diesel engine is 35%.

Ravi Raj said:   9 years ago
The actual range of otto and diesel engines efficiency is 30 - 40%.

Jeet said:   10 years ago
Eff. is around 45% to 50%.

ABDELRAHMAN said:   10 years ago
Maybe in diesel engine is 35%.


Post your comments here:

Your comments will be displayed after verification.