CERTIFICATION TEST PAPER 2026
COMPLETE QUESTIONS WITH
VERIFIED ANSWERS
◉ In Bi-Parting doors, what gap is allowed before Gate switch is
opened? Answer: 3/4" Max
◉ There is slight arcing at the Brushes and Commutator. What actions
must be taken? Answer: None. (430) Heavy arcing is due to light brush
pressure. Mechanical wear indicates heavy brush pressure.
◉ You get shocked when you attempt to move a car using a Temp
button for the first time. Why? Answer: You forgot to hook up a ground.
(810)
◉ If a Handrail Switch is tripped and you reset it, but the escalator
immediately turns back on, what is the problem? Answer: The Start
Switch is stuck in an "on position."
◉