Battery & Fuel System Safety Flashcards
7 cards from real MSSC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Battery & Fuel System Safety flashcards as text
What hazard is associated with a cracked or damaged forklift battery case?
Answer: Electrolyte (sulfuric acid) leakage causing chemical burns and corrosion
A cracked battery case can leak sulfuric acid electrolyte, which is highly corrosive and can cause chemical burns to personnel and damage to the forklift and floor.
What should an operator do if the battery indicator shows low charge while operating a forklift?
Answer: Return the forklift to the charging station and recharge immediately
A low battery indicator means the forklift should be returned to the charging station promptly to avoid deep discharge damage and to maintain safe operation levels.
Which of the following is a sign that an LP forklift fuel system regulator may be malfunctioning?
Answer: Frost or ice buildup on the regulator housing
Ice or frost on the regulator indicates abnormal pressure drop or excessive flow, which is a sign of malfunction and requires immediate inspection by qualified maintenance personnel.
What is the purpose of the battery discharge indicator (BDI) on an electric forklift?
Answer: To indicate the remaining battery charge level and warn when recharging is needed
The BDI monitors remaining battery capacity and alerts the operator when charge is low so the forklift can be taken out of service for recharging before damage or performance loss occurs.
Why is it important to keep vent caps on battery cells during charging?
Answer: To allow hydrogen gas to vent while preventing debris from contaminating cells
Vent caps allow hydrogen gas to escape safely while preventing contaminants like dust or metal particles from falling into the cells and causing short circuits or chemical reactions.
Before starting an LP forklift, the operator should check the fuel cylinder for which of the following?
Answer: Secure mounting, valve condition, and absence of visible leaks or damage
The operator must verify the cylinder is properly secured, the valve is undamaged and fully closed when not running, and there are no visible dents, rust, or signs of leakage before starting.
What action should be taken if a forklift battery emits a sulfur or rotten egg smell during charging?
Answer: Stop charging immediately, ventilate the area, and have the battery and charger inspected
A sulfur smell during charging indicates overcharging or a cell defect causing the release of hydrogen sulfide gas, which is toxic and flammable, requiring immediate shutdown and inspection.