Answer: The Otto-cycle engine in a Mercedes-Benz SLK230

Chapter 20, Problem 7E

(choose chapter or problem)

Get Unlimited Answers
QUESTION:

Problem 7E

The Otto-cycle engine in a Mercedes-Benz SLK230 has a compression ratio of 8.8. (a) What is the ideal efficiency of the engine? Use γ = 1.40. (b) The engine in a Dodge Viper GT2 has a slightly higher compression ratio of 9.6. How much increase in the ideal efficiency results from this increase in the compression ratio?

Questions & Answers

QUESTION:

Problem 7E

The Otto-cycle engine in a Mercedes-Benz SLK230 has a compression ratio of 8.8. (a) What is the ideal efficiency of the engine? Use γ = 1.40. (b) The engine in a Dodge Viper GT2 has a slightly higher compression ratio of 9.6. How much increase in the ideal efficiency results from this increase in the compression ratio?

ANSWER:

Solution 7E

Problem (a)

Step 1:

Compression ratio r = 8.8

Ratio of heat capacity γ = 1.40

To find Ideal efficiency of the engine

Add to cart


Study Tools You Might Need

Not The Solution You Need? Search for Your Answer Here:

×

Login

Login or Sign up for access to all of our study tools and educational content!

Forgot password?
Register Now

×

Register

Sign up for access to all content on our site!

Or login if you already have an account

×

Reset password

If you have an active account we’ll send you an e-mail for password recovery

Or login if you have your password back