High School Lawnmower CDE Area Exam 2023-2024

Grass leaf tips that appear jagged and frayed are the results of ______.

• Slow cutting speed

• Grass being cut when too tall

• Cutting with dull or damaged blades

• Not following the one-third rule

This small engine component serves as the movable end of the combustion chamber

• Piston

• Piston Head

• Cylinder Head

• Connecting Rod

When transporting reel mowers across parking areas and cart paths, reels should be _____?

• Disengaged

• At desired cutting height

• Operated at half throttle

• Raised and engaged

Maverick air or unaccounted-for air, entering the combustion chamber can cause _______?

• Rich Air-Fuel Mixture

• Lean Air-Fuel Mixture

• Preignition

• Detonation

This is the preferred mower when maintaining golf course greens, tees, athletic fields, and some sod farms.

• Flail

• Reel

• Rotary

• Hammer

This is the movable metal or plastic speed-sensing device for a pneumatic governor.

• Governor Weights

• Governor Linkage

• Governor Blade

• Governor Spring

Which of the following is a major reason for the decline of many turf areas?

• Using new blades every time

• Mowing grass too frequently

• Using a rotary mower

• Mowing grass too low

This is the most important component found on an air-cooled small engine.

• Cooling fan

• Rotating Flywheel Screen

• Engine Ducting

• Cooling Air Discharge

When a grounds supervisor adjusts the mowing height on the mower and checks it by a level surface such as a driveway, he is adjusting ________________________?

• Mowing Height

• Spindle Setting

• Finished Height

• Bench Setting

This is a cylindrical piece of metal alloy that will tear or fail at a predetermined location or applied torque value.

• Slip Clutch

• Shear Pin

• Breaker Bolt

• Flex Coupling