Engine Components Quiz

_______ is a valve that is located between the radiator and the engine block on liquid-cooled engines that regulates the flow of coolant.

• Pump

• Radiator

• Thermostat

• Fan

The _______ is a removable part of the crankcase that serves as an oil reservoir and provides access to internal parts on vertical shaft engines.

• Sump

• Crankcase Breather

• Crankcase Cover

• Crankcase

The ______ _______ carburetor lifts fuel from the fuel tank to the fuel cup using a pump.

• Pulsa-Jet

• Vacu-Jet

• Up-Draft

• Down-Draft

Which of the following is not a result of varying the cutting pattern?

• More even cut

• Reduces streaked appearance

• Better putting quality on golf greens

• Increases the grain

Tags

NGSS.MS-ETS1-2

Most walk-behind rotary lawn mowers use a _________________ shaft, _____________ cylinder engine.

• vertical; vertical

• horizontal; horizontal

• vertical; horizontal

• horizontal; vertical

Tags

NGSS.MS-PS2-1

The ________ is an engine part that converts the up and down or linear motion of the piston to circular motion.

• camshaft

• connecting rod

• crankshaft

• flywheel

Approximately 98 percent of all mowers sold are _____ mowers.

• reel

• push

• riding

• rotary

Approximately ____________ of the heat energy generated during combustion is lost in the form of waste heat.

• 1/4

• 1/3

• 1/2

• 2/3

Tags

NGSS.HS-PS3-4

The period during engine operation when both the intake and exhaust valves are open at the same time is called ________________________.

• top dead center

• valve lift

• valve overlap

• valve clearance

A carburetor component that contains a fixed orifice jet that meters and controls fuel flow to the idle circuit of the carburetor is called a:

• pilot jet

• idle screw

• welch plug

• diaphragm