WALMART MAINTENANCE Plumbing and Facilities 3

Question 1

A floor drain in a Walmart produce section is draining slowly. What is the most likely cause?

Accepted Answer

Grease and organic debris accumulation in the trap

Answer

Slow floor drains in food areas are most commonly caused by grease and organic debris clogging the drain trap or strainer.

Question 2

Which type of valve is best suited for fully open or fully closed applications in a Walmart plumbing system?

Accepted Answer

Gate valve

Answer

Gate valves are designed for full-open or full-closed service and should not be used for throttling flow.

Question 3

You notice a water hammer effect in a Walmart restroom supply line. What device would best correct this issue?

Accepted Answer

Water hammer arrestor

Answer

A water hammer arrestor absorbs the shock wave created when water flow is suddenly stopped, eliminating the banging noise.

Question 4

A Walmart maintenance technician finds a pipe labeled with a yellow band and the word 'CAUTION.' What does this most likely indicate?

Accepted Answer

Natural gas or flammable material

Answer

ANSI/ASME A13.1 pipe marking standards use yellow with black lettering to indicate flammable or combustible materials including natural gas.

Question 5

What is the primary function of a P-trap in a Walmart restroom fixture?

Accepted Answer

Preventing sewer gases from entering the building

Answer

A P-trap holds a water seal that blocks sewer gases from traveling back up through the drain and into the building.

WALMART MAINTENANCE Practice Test