Internal Combustion Engines (2161902) MCQ

MCQs of Engine Emission and their Control

MCQ No - 1

Which of the following is one of the major exhaust emissions from CI engines compared to SI engines?

(A) Oxides of nitrogen
(B) Particulates
(C) Carbon monoxide and Carbon dioxide
(D) Unburnt hydrocarbon

B
MCQ No - 2

Why lead compounds added in petrol?

(A) Increase power output
(B) Reduce knocking
(C) Reduce exhaust temperature
(D) Reduce HC emission

D
MCQ No - 3

What can be reduced by using exhaust gas recirculation (EGR) effectively?

(A) CO
(B) NOx
(C) HC
(D) CO and HC

B
MCQ No - 4

What is the major difference between BS-IV and BS-VI norms?

(A) BS-IV fuels contain 80 ppm sulphur and BS-VI fuels contain 60 ppm sulphur
(B) BS-IV fuels contain 100 ppm sulphur and BS-VI fuels contain 90 ppm sulphur
(C) BS-IV fuels contain 50 ppm sulphur and BS-VI fuels contain 10 ppm sulphur
(D) BS-IV fuels contain 150 ppm sulphur and BS-VI fuels contain 110 ppm sulphur

C
MCQ No - 5

As per BS-VI, which are the emissions standards for four-wheel petrol motor vehicles?

(A) 0.0045 gkm PM and 0.08 gkm NOx
(B) 0.0045 gkm PM and 0.98 gkm NOx
(C) 0.045 gkm PM and 0.98 gkm NOx
(D) 0.045 gkm PM and 0.9 gkm NOx

A