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High School Lawnmower CDE Area Exam 2023-2024

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

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

a)

Slow cutting speed

b)

Grass being cut when too tall

c)

Cutting with dull or damaged blades

d)

Not following the one-third rule

2.

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

a)

Piston

b)

Piston Head

c)

Cylinder Head

d)

Connecting Rod

3.

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

a)

Disengaged

b)

At desired cutting height

c)

Operated at half throttle

d)

Raised and engaged

4.

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

a)

Rich Air-Fuel Mixture

b)

Lean Air-Fuel Mixture

c)

Preignition

d)

Detonation

5.

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

a)

Flail

b)

Reel

c)

Rotary

d)

Hammer

6.

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

a)

Governor Weights

b)

Governor Linkage

c)

Governor Blade

d)

Governor Spring

7.

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

a)

Using new blades every time

b)

Mowing grass too frequently

c)

Using a rotary mower

d)

Mowing grass too low

8.

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

a)

Cooling fan

b)

Rotating Flywheel Screen

c)

Engine Ducting

d)

Cooling Air Discharge

9.

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 ________________________?

a)

Mowing Height

b)

Spindle Setting

c)

Finished Height

d)

Bench Setting

10.

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

a)

Slip Clutch

b)

Shear Pin

c)

Breaker Bolt

d)

Flex Coupling

11.

Due to a bearing failure on the mower deck, grass clippings have caught fire. What classification of fire would this be?

a)

Class D

b)

Class C

c)

Class B

d)

Class A

12.

The valve seat mates with this part of the valve to seal the combustion chamber.

a)

Valve Stem

b)

Valve Head

c)

Valve Face

d)

Valve Tappet

13.

New cylinder bores commonly have this pattern as a result of the machining process.

a)

Cross-hatched

b)

Diamond Bore

c)

Smooth

d)

Mirror

14.

Which of the following is not a part of the governor gear assembly on a Briggs and Stratton small engine?

a)

Governor Gear

b)

Flyweights

c)

Governor Cup

d)

Governor Control Arm

15.

This is the common power transmission belt used with outdoor power equipment?

a)

V

b)

Round

c)

Flat

d)

Toothed

16.

This is an undesirable engine condition which occurs when a particle in the combustion chamber becomes excessively heated and ignites the charge before the spark plug.

a)

Detonation

b)

Preignition

c)

Spark Knock

d)

Lifter Slap

17.

This safety color is typically used to identity fire protection equipment, emergency stops, and to show danger?

a)

Orange

b)

Yellow

c)

Red

d)

Purple

18.

Which of the following elements is not needed to start and sustain a fire.

a)

Fuel

b)

Oxygen

c)

Heat

d)

Fire

19.

These function as the running surface for the side of the corresponding piston rings.

a)

Ring Lands

b)

Piston Rings

c)

Piston Grooves

d)

Ring Groves

20.

This is a term for any load that is applied to an engine above the fractional load to operate the engine.

a)

No Load

b)

Top No Load

c)

Brake Load

d)

Parasitic Load