Engine Systems

Identify the component in the picture:

• Thermistor

• Pressure Cap

• Water Pump

• Thermostat

An engine does not reach operating temperature while being driven. Which of these could be the cause?

• A slipping water pump belt

• A stuck open thermostat

• A stuck closed thermostat

• A clogged radiator passage

Which engine valve configuration has the camshaft in the cylinder block.

• Over Head Valve (OHV)

• Over Head Cam (OHC)

• Dual Over Head Cam (DOHC)

• This is a trick question, isn't it?

True or False: An engines cooling system is designed to transfer excess heat from the engine to the atmosphere.

• True

• False

What is the order of the cycles of a 4 cycle engine?

• Exhaust, Compression, Power, Intake
• Intake, Compression, Power, Exhaust
• Intake, Exhaust, Compression,Power
• Intake, Power, Exhaust, Compression

A crankshaft's job in an engine is to:

• open the valves

• change linear motion into rotational motion

• keep the cylinder head(s) in place

• connect the piston and the camshaft

What is this part called

• Bearing Cap

• Thrust Bearing

• Half Bearing

• Shim Bearing

What transfers motion from the camshaft to the push rod in an OHV engine?

• Rocker Arm

• Rocker Pivot

• Lifter

• Valve Spring

What direction is the piston traveling during the Power stroke?

• Up

• It's not moving

• Right

• Down

Technician A says that most aluminum heads should be removed while the engine is still warm. Technician B says that some manufacturers require head bolts to be removed in reverse order of the tightening sequence. Who is correct?

• Tech A Only

• Tech B Only

• Both A and B

• Neither A nor B