WCS 1102-2 - Knowledge Assessment

What does "RON" stand for?

Which of the following below about composition of air is/are correct?

• 78% nitrogen

• 21% oxygen

• 1% carbon dioxide

• 1% argon

Which of the following about EURO standard is/are correct?

• EURO 6 acceptable amount of CO is 1.0

• EURO 5 is established at year 2008

• EURO 4 accepted amount of NO_x is 0.06

• EURO 3 is established at year 2000

• EURO 7 will be coming at year 2025

What does "CO" stand for?

What does "HC" stand for?

What does "NO_x" stand for?

What is the air/fuel ratio of 14.7:1 called?

What does "λ" stand for?

Which of the following statement about lean air/fuel mixture is/are correct?

• Higher power

• Good fuel economy

• Higher engine working temperature

• Lower exhaust emission

• Too much oxygen

Which of the following below about rich air/fuel mixture is/are correct?

• Higher power

• Good fuel economy

• Lower engine working temperature

• HC might produce more

• Too much fuel