NEIEP 800 Final Exam 2023 Questions and Answers 1005 Verified Hydro elevators in low rise applications do not need an _____ _____ room. - Correct Answer 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 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 _____ _____. - Correct 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. - Correct 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. - Correct Answer 1, 180 On power units having the motor beneath the tank, the pump may be either _____ driven or _____ coupled. - Correct 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. - Correct Answer silencer, muffler On Bolsters/Bolster Assembly, the plunger is fastened to the _____ _____ which is then mounted to the center of the Bolster Assembly. - Correct Answer platen plate With wye-delta, reduced current starting is accomplished without the need for _____. - Correct Answer resistors _____ run buttons should run the platform and sling at leveling speeds only. - Correct 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. - Correct Answer relief valve A _____ lowering valve allows the car to be lowered at a speed not exceeding 20fpm in case of power failure. - Correct Answer manual 1 / 2
As the oil temperature changes, the _____ will change as well and will effect the performance, more specifically, the leveling and approach of the elevator. - Correct Answer viscosity Be sure wellways are properly _____ to avoid accidental injury to you, your team or anyone working outside of our industry. - Correct Answer barricaded Barricades around the wellway must be _____ inches high and be capable of withstanding a _____lb force. - Correct Answer 42, 200 A _____ protects you if you come in contact with a hot wire or component and then come in contact with ground. It opens the circuit and diverts the supplied current to ground. - Correct Answer GFCI A _____ _____ is useful for horizontal (side-to-side) pulling of the truss while being lowered into the wellway. - Correct Answer lever hoist Code specifies the use of anti-slide devices if the outer edge of the deck is greater than _____ inches from the center line of the handrail. - Correct Answer 12 (True/False) Anti-slide devices must be less than 3/4" in height, have no sharp corners or edges and fastened to the deck no closer than 4 inches from the handrail and spaced no greater than 6ft apart. - Correct Answer True Sometimes referred to as sag switches, _____ _____ switches are located within the step band of both upper and lower truss assemblies and function to prevent a step that is sagging by more than _____ inch. - Correct Answer step level, 1/8 Per code, an installed escalator can exceed the 30 degree angle of inclination by _____ degree. - Correct Answer 1 When it comes to moving walks code states that the angle of inclination of the truss from the horizontal shall not exceed _____ degrees within _____ ft of the entrance or exits and shall not exceed _____ degrees at any point. - Correct Answer 3, 3, 12 Belted walkways use a tensioning device at the tail end to maintain the proper tension on the treadway belt and is normally maintained at _____ lbs. - Correct Answer 3000 (True/False) The speed governor switch on moving walks not driven by an induction motor directly connected to the driving machine (aka AC squirrel cage), will cause power to be removed from the motor and brake if the treadway speed exceeds a predetermined value, not to exceed 20% of maximum designed speed. This device shall be manually resettable. - Correct Answer True Ensure comb segment teeth are set in the slots of the treadway deep enough so the teeth are always _____ the upper surface of the treads. - Correct Answer below
- / 2