432 Q14 Knock + SC/TC

432 Q14 Knock + SC/TC

University

7 Qs

quiz-placeholder

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432 Q14 Knock + SC/TC

432 Q14 Knock + SC/TC

Assessment

Quiz

Other

University

Easy

Created by

Ahmed Abdelhafez

Used 2+ times

FREE Resource

7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 2 pts

(Brain Builder) If a diesel engine has knock issues, adding CN enhancers into the fuel tank will help reduce knock.

True.
False.
This statement is misleading (مضللة).

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The cetane number (CN) is defined to describe the ability of compression-ignition fuels to autoignite
faster
slower

3.

MULTIPLE CHOICE QUESTION

2 mins • 2 pts

Good diesel fuels have
higher CN and shorter ID.
higher CN and longer ID.
lower CN and faster ignition.
lower CN and slower ignition.

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(Brain Builder) Mixing ethanol with diesel enhances its CN.

True.

False.

5.

MULTIPLE CHOICE QUESTION

2 mins • 2 pts

Which parameter does super/turbocharging increase, in order to boost the power?
Inlet density
Engine speed
Fuel-to-air ratio
Mean piston speed

6.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

The supercharger is powered by the
engine crankshaft
car wheels
engine exhaust
car battery

7.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

The turbocharger is powered by the
engine crankshaft
car wheels
engine exhaust
car battery