Chapter 1
A small engine is generally rated up to ___ hp.
25
What does OSHA stand for?
Occupational Safety and Health Administration
What does TDC stand for?
Top Dead Center
What is sometimes referred to as knocking, spark knock, or pinging?
A. Detonation
B. Preignition
C. Friction
D. Compression
A. Detonation
True or False: Nitric oxide is more toxic than other oxides of nitrogen.
False
______ requires only enough force to accomplish the desired task.
A. Work
B.Torque
C.Power
D.Voltage
A. Work
List 3 examples of PPE.
Safety glasses, ear plugs, nose plugs, leather boots, shield, jacket, gloves
What is the first "stroke" in a 2 stroke engine?
Suction/Compression
What is the compression ratio range for most small engines?
between 6:1 and 8:5:1
True or False: Air density is the mass of air per unit per unit volume
heat energy
What does API stand for?
American Petroleum institute
What part is responsible for the proper operation of the engine and converting a linear motion to a rotational motion.
A. Head Gasket
B. Crankcase
C. Connecting Rod
D. Piston
B
True or False: Aluminum is much harder than brass.
False
What does LAT stand for?
Limited Angle Torque
2 stroke or 4 stroke: I combine multiple functions into 1 piston movement.
2 stroke
Which of the following IS NOT on an SDS: (1) properties of each chemical; (2) the physical, health, and environmental health hazards; (3) protective measures; and (4) hazard training requirements
(4) hazard training requirements
What is the last stroke in a 4 stroke engine?
Exhaust
During compression, heat is produced from the work applied by the _____.
piston
What is the term used to describe undesirable motion of governor system components caused by engine vibration?
A. Elastic Limit
B. Resonance
C. Hysteresis
D. Hunting
C. Hysteresis
2 stroke or 4 stroke? I yield higher levels of torque.
4 stroke
List 3 types of fastening wrenches
open, box, combination, ratchet
List the 3 types of rings in a piston
Compression, oil, wiper
The piston ____ should be expanded only enough to slide over the head of the piston
ring
What are the 2 main components of a governor system?
Speed sensing device and governor spring