Installation Techniques Flashcards
7 cards from real CAR practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Installation Techniques flashcards as text
When disconnecting a gas dryer prior to recycling, which action must be performed FIRST?
Answer: Shut off the gas supply valve
The gas supply valve must be closed first to prevent gas leakage before any other disconnection steps are taken.
Which type of fitting is the ONLY approved connection for a residential gas dryer supply line in the US?
Answer: Flexible corrugated stainless steel connector
Flexible corrugated stainless steel (CSST or appliance connector) is the approved gas connector for residential dryer installations.
A refrigerator being removed for recycling has a water line connected to its ice maker. What is the proper procedure?
Answer: Shut off the water supply valve and disconnect the line before moving the unit
The water supply must be shut off and the line disconnected before moving the refrigerator to prevent flooding and water damage.
What is the required minimum clearance between a freestanding range and adjacent combustible cabinetry on each side?
Answer: 0 inches — modern ranges are designed flush to cabinetry
Most listed freestanding ranges are tested for zero clearance to combustible side surfaces, but always verify the manufacturer's installation manual.
During removal of a built-in dishwasher, which connection is typically the LAST to be removed before sliding the unit out?
Answer: The mounting screws at the countertop bracket
Mounting screws at the countertop bracket are typically removed last so the unit stays stable while the drain, water, and electrical connections are safely disconnected first.
What tool is used to confirm that a 240-volt electric dryer outlet is de-energized before touching the terminal block?
Answer: Non-contact voltage tester
A non-contact voltage tester safely detects live voltage at outlets or terminal blocks without requiring physical contact with conductors.
When removing an over-the-range microwave for recycling, what is the primary structural concern?
Answer: The unit is heavy and mounted overhead, requiring two people and support
Over-the-range microwaves are heavy (often 55–80 lbs) and mounted overhead, making two-person support essential to prevent injury or damage during removal.