2026 FULL QUESTIONS AND CORRECT
ANSWERS
◉ Some advantages of hydros are lower equipment and building
construction costs because the load of a hydro is carried to the _____
where as the load of a traction car is carried by the _____ _____.
Answer: ground, building structure
◉ When drilling the jack hole, the only proper way to determine if the
hole is plumb is to remove the drill stem and bit and use a _____ _____.
Answer: Spider Bob
◉ To plumb the hole, a spider bob is attached to a length of piano wire
suspended from as near as possible to the top of the _____ or from a
fixed point on the drill rig. Answer: Hoistway
◉ When welding a joint, lay _____ inch tack welds _____ degrees apart,
shift it 90 degrees and lay two more 1 inch tack welds 180 degrees apart.
Answer: 1, 180
◉ On power units having the motor beneath the tank, the pump may be
either _____ driven or _____ coupled. Answer: belt, direct
, ◉ The purpose of the _____/_____ is to silence the effect of any
pulsations in the pump output and should be as close to the pump as
possible. Answer: silencer, muffler
◉ On Bolsters/Bolster Assembly, the plunger is fastened to the _____
_____ which is then mounted to the center of the Bolster Assembly.
Answer: platen plate
◉ With wye-delta, reduced current starting is accomplished without the
need for _____. Answer: resistors
◉ _____ run buttons should run the platform and sling at leveling
speeds only. Answer: Temporary
◉ A _____ _____ consists of a piston held closed by an adjustable
spring and must open at a certain pressure to prevent any further
increase in pressure. Answer: relief valve
◉ A _____ lowering valve allows the car to be lowered at a speed not
exceeding 20fpm in case of power failure. Answer: manual
◉ As the oil temperature changes, the _____ will change as well and
will effect the performance, more specifically, the leveling and approach
of the elevator. Answer: viscosity