BOMA General Maintenance Questions Answered Correctly – Expert Verified | Latest Version 2024/2025

*A38 and AX38 belts should not be mixed on a drive design to use AX38 belts because? - They require different sheaves for their use (Rob not sure) *Emergency power systems must supply power when local power fails to _____. - exit lights and stairs lights (Rob isn't sure) *How do you change pressure from PSI to feet of water? - Multiply by 2.31 *How great a variation from the recommended shade is allowable in a given welding or cutting operation? - Two shades darker or lighter/Two shades lighter one shade darker *Needle valves are _____? - Similar in design to globe valves (Rob doesn't agree with any answers) *Needle valves are_____? - Have a relatively small pressure drop/Are designed for throttling applications/are designed for throttling processes (Rob not sure) *Oil interceptors differ from grease interceptor in two important ways, principal differences are the _____ and _____. - Draw off system / requirement for vents (Rob not sure) *The filter lenses are required for eye protection in welding and cutting operation and are designed to safeguard the eyes from injuries from what types of rays? - Ultraviolet/infrared and visible *Water in its natural state to have a pH is high as_____. - 7