Equipment Operation & Maintenance Flashcards
7 cards from real SHS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Equipment Operation & Maintenance flashcards as text
Which class of fire extinguisher is required where flammable liquids such as hydraulic fluids are present?
Answer: Class B
Class B extinguishers are designed for flammable and combustible liquid fires, including hydraulic fluids, oils, and fuels.
An equipment operator reports excessive vibration in a rotating machine. As a safety specialist, what should your first recommendation be?
Answer: Shut down the machine and have it inspected for imbalance, misalignment, or bearing wear
Excessive vibration can indicate imbalance, misalignment, bearing failure, or loosened components — all requiring inspection before continued operation.
Under OSHA's powered industrial truck standard, what is required before a forklift operator is authorized to operate the equipment?
Answer: Formal training, practical evaluation, and certification by the employer
29 CFR 1910.178(l) requires employers to provide formal training, practical evaluation, and certify each operator before allowing independent operation.
What is the greatest risk when using worn or damaged electrical cords on power tools?
Answer: Electrocution, electrical fires, and arc flash
Damaged insulation exposes energized conductors, creating risks of electrocution, arc flash, and electrical fires.
What does ANSI Z358.1 establish standards for in a workplace equipment context?
Answer: Emergency eyewash and safety shower equipment
ANSI Z358.1 sets minimum performance and use requirements for emergency eyewash stations and safety showers, critical near chemical handling equipment.
A safety specialist is reviewing maintenance records and finds that a critical pressure vessel has missed two consecutive annual inspections. What is the primary concern?
Answer: Undetected corrosion, cracks, or defects that could lead to catastrophic failure
Missed inspections mean undetected degradation such as corrosion, stress cracks, or weld defects that can lead to sudden, catastrophic pressure vessel failure.
Which maintenance document is used to record all repairs, parts replaced, and service performed on a specific piece of equipment over its life?
Answer: Equipment maintenance log
An equipment maintenance log tracks all service history, enabling trend analysis, warranty compliance, and regulatory documentation over the equipment's lifetime.