Hydro elevators in low rise applications do not need an _____ _____
room. - CORRECT ANSWERS ✔✔overhead machine
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 _____ _____. -
CORRECT ANSWERS ✔✔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 _____
_____. - CORRECT ANSWERS ✔✔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. - CORRECT ANSWERS ✔✔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. - CORRECT ANSWERS ✔✔1, 180
, On power units having the motor beneath the tank, the pump may be
either _____ driven or _____ coupled. - CORRECT ANSWERS
✔✔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. - CORRECT ANSWERS ✔✔silencer, muffler
On Bolsters/Bolster Assembly, the plunger is fastened to the _____
_____ which is then mounted to the center of the Bolster Assembly. -
CORRECT ANSWERS ✔✔platen plate
With wye-delta, reduced current starting is accomplished without
the need for _____. - CORRECT ANSWERS ✔✔resistors
_____ run buttons should run the platform and sling at leveling
speeds only. - CORRECT ANSWERS ✔✔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. - CORRECT ANSWERS ✔✔relief valve