During which of the following operating conditions of an automobile, carbon monoxide content in the exhaust gas is maximum ?
Correct answer: A. Idle running
- A. Idle running
- B. Acceleration
- C. Cruising
- D. Deceleration
Explanation
Carbon monoxide is formed by incomplete combustion, which is especially severe during idling because the engine operates with a relatively rich mixture and poor combustion conditions. Proper cruising generally gives lower CO emissions.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
Practise Chemical Process Principles
2,710 free Chemical Process Principles MCQs from Chemical Engineering, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Chemical Engineering questions like this
Chemical Engineering is on this paper prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for it.
More Chemical Process Principles questions
Turbidity of water is an indication of the presence of__________________?
The concentration of water vapour in troposphere, which depends upon the altitude & temperature, varies in the range of zero to ______________ percent?
Presence of dissolved impurities of ______________ is responsible for the red brownish color of water?
Carbon monoxide is a pollutant, which causes_________________?
In water treatment, alum [Al2(SO4)3] is used for the process of __________________?
Which of the following is not a secondary air pollutant ?