MLR 1 Semester 1 Exam

Which of the following components are found on the Four Wheel Drive (4WD), but not Rear Wheel Drive (RWD), configuration

• Transmission

• Transfer Case

• Rear Driveshaft

• Rear Differential

Identify the proper order of the four strokes in a engine

• intake, compression, exhaust, power

• intake, compression, power, exhaust

• intake, power, construction, exhaust

• exhaust, compression, power, intake

During the intake stroke the piston moves________

• up

• in both directions

• the head bolts

• down

During the compression stroke the piston moves________

• up
• in both directions
• the hot gasses out of the cylinder
• down

During the power stroke the piston moves________

• up
• down slighty
• in both directions
• down

During the exhaust stroke the piston moves________

• up
• in both directions
• the head bolts
• down

The power stroke occurs ______percent of one complete cycle in a four stroke engine.

• 14 %  
• 15 %
• 20 %
• 25 %

An event that ignites the fuel air mixture occurs between the _______stroke and the _________stroke

• compression and power
• power and intake
• intake and power
• compression and intake

Select the best answer for the proper sequence for the four strokes in an internal combustion engine.

• compression, exhaust , power, intake
• compression, power, intake, exhaust
• exhaust, power, intake , compression
• exhaust, intake, compression, power

What is the purpose of the Camshaft?

• Open and Close the Valves

• Open the Valves

• Close the Valves

• Other