EOPA Review 2

On a four stroke cycle engine, two revolutions of the crankshaft corresponds to ________ revolution(s) of the camshaft

• 0

• 1

• 2

• 4

The most common method of increasing valve clearance on a small gasoline engine is to

• Grind the valve face

• Grind the valve tappet

• Grind off the end of the valve stem

• Grind the valve seat

An internal combustion engine uses the process of rapid combustion to operate.  The combustion process requires what three things?

• Fuel-oxygen-heat

• Fuel-spark-carbon

• Fuel-compression-heat

• Fuel-oxygen-air

When the piston is at its highest point (greatest distance from the crankshaft) it is said to be at

• BDC

• BDA

• TDA

• TDC

At the bottom of the intake stroke, the crankshaft moves across the bottom of its swing causing the piston to move upward squeezing the air/fuel mixture against the head.  This stroke is known as the _______ stroke.

• Intake

• Compression

• Exhaust

• Power

On a four-stroke cycle engine, the crankshaft makes ______ complete revolutions or turns during a cycle.

• 1

• 2

• 3

• 4

Most small engine foam type filters should be serviced after 25 hours of operation by washing.  Which of the following is not approved for safely washing the foam filter?

• Gasoline

• Varsol

• detergent and water

• kerosene

Which of the following is not a recommended activity when servicing spark plugs on a small engine?

• Soaking in solvent

• Sandblasting

• Scraping off deposits with knife

• Re-gapping

Type NM cable

• Cannot be installed in masonry block walls

• Cannot be used as service entrance cable

• Cannot be used for exposed work in dry locations

• Can be used as a coaxial cable

Multiwire branch circuit shall

• Supply only line to neutral loads

• Have a disconnect to open both “hots” at the same time when supplying a device or equipment on the same yoke in a dwelling unit

• Have its conductors originate from the same panelboard

• all of the above