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Ladder must be installed if pit is deeper than... - ✔✔35" (3') ASME A 17.1 - 2004 2.2.4.2 Ladder shall not extend more than ___ above the sill. - ✔✔48" (4') ASME A 17.1 - 2004 2.2.4.2 Rungs (cleats or steps) of ladder should be a minimum of ___ wide. - ✔✔16" ASME A 17.1 - 2004 2.2.4.2 Siderails shall have a clear distance of not less than ___ from their centerline to the nearest permanent object. - ✔✔4.5" ASME A 17.1 - 2004 2.2.4.2 Ladder access shall not be permitted if pit is deeper than ___ below the sill of the access door. - ✔✔120" (10') ASME A 17.1 - 2004 2.2.4.2 Illumination of pit and platform should be___. - ✔✔10FC ASME A 17.1 - 2004 2.2.5.1 Where should the light switch be located in the pit? - ✔✔Where accessible from the pit access door. ASME A 17.1 - 2004 2.2.6.1 When the car is on compressed buffer, what is the clearance between the car and the pit? - ✔✔24" (2') clearance. No part of the car should be touching the pit with a 24" (2') clearance. ASME A 17.1 - 2004 2.4.1.1

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Download CA State Elevator Mechanic Study Guide | 100% Correct Answers | Verified | Latest 2024 Ver and more Exams Mechanics in PDF only on Docsity! CA State Elevator Mechanic Study Guide | 100% Correct Answers | Verified | Latest 2024 Version Ladder must be installed if pit is deeper than... - ✔✔35" (3') ASME A 17.1 - 2004 2.2.4.2 Ladder shall not extend more than ___ above the sill. - ✔✔48" (4') ASME A 17.1 - 2004 2.2.4.2 Rungs (cleats or steps) of ladder should be a minimum of ___ wide. - ✔✔16" ASME A 17.1 - 2004 2.2.4.2 Siderails shall have a clear distance of not less than ___ from their centerline to the nearest permanent object. - ✔✔4.5" ASME A 17.1 - 2004 2.2.4.2 Ladder access shall not be permitted if pit is deeper than ___ below the sill of the access door. - ✔✔120" (10') ASME A 17.1 - 2004 2.2.4.2 Illumination of pit and platform should be___. - ✔✔10FC ASME A 17.1 - 2004 2.2.5.1 Where should the light switch be located in the pit? - ✔✔Where accessible from the pit access door. ASME A 17.1 - 2004 2.2.6.1 When the car is on compressed buffer, what is the clearance between the car and the pit? - ✔✔24" (2') clearance. No part of the car should be touching the pit with a 24" (2') clearance. ASME A 17.1 - 2004 2.4.1.1 Where vertical clearances are less than ____", that area should be clearly marked on the pit floor. - ✔✔24" (2') Markings should be___" diagonal red and white stripes "Danger low clearance." - ✔✔4" When oil buffers are used, bottom runny should be no less than ___". - ✔✔6" When spring or solid buffers are used, bottom runny should be no less than ___". - ✔✔6" What is the maximum bottom runby on a car? - ✔✔24" (2') Buffer data plate letters shall be no less than ___" in height. - ✔✔1" What is the maximum bottom runby on a counterweight? - ✔✔35" (3') What is the minimum sill to sill clearance? (side guides) - ✔✔1/2" What is the minimum clearance for corner guides? - ✔✔.8" (7/8") What is the maximum clearance for side guides and corner guides? - ✔✔1.25" (1 1/4") What is the running clearance between cars? - ✔✔2" What is the clearance between car sill and hoistway facia or enclosure for vertical doors? - ✔✔7 1/2" Only machinery used in conjuction with the function of elevator shall be permitted in the ___ room. - ✔✔machine A clear path of ___" should be provided to all components that require maintenance in the machine room. - ✔✔18" Access doors to machine room and overhead machinery spaces shall be a minimum width of ___" and a minimum height of ___". - ✔✔Minimum width = 29.5" and minimum height = 80" Traction elevators usually come with at least how many hoist cables? - ✔✔At least 4 Hydraulic elevators are either... - ✔✔direct acting as or holeless. What is the maximum size of piping in hoistway and machine room? - ✔✔4" What is the purpose of brushes on a DC motor? - ✔✔To reverse current flow direction. On a 3 phase motor, how many degrees are poles set apart? - ✔✔120 degrees Are freight car platforms covered by the L.A. code? - ✔✔Yes, for size, stress, thickness and safety features. What two basic types of door openings are there? - ✔✔Manual and automatic What is the maximum speed (rated) for instantaneous safety? - ✔✔150 fpm What is the maximum candle food power in the machine room? - ✔✔10 CFP On what type of machine does re-doing occur most frequently? - ✔✔Overhead drum machine What is the most frequent cause of rope lay during reshackling? - ✔✔Incorrect or inadequate sizing What is the maximum speed of an escalator? - ✔✔125 fpm What is the weight of the CWT when the weight of the car has 6,000 pounds and the rated load is 4,000 lbs? - ✔✔40% of the rated load added to the car weight (4,000 X 0.40 = 1,600 lbs = 6,000 + 1,600 = 7,600 lbs) What is the sheave diameter of a compensating weight? - ✔✔32 times the diameter of the cables. What is the maximum number of degrees along the incline of the vertical escalator? - ✔✔30 degrees How many feet should metal straps be apart? - ✔✔3 feet from boxes or fittings What is the breaking strength of 1/2 inch and 5/8 inch wire rope? - ✔✔1/2 inch = 14,500 5/8 inch = 23,500 Most common cause of accidents for mechanic prepared for car top inspections is? - ✔✔Not observing running clearance. Which is the most flexible of wire rope? - ✔✔Tiller rope Maximum voltage allowed to run to car cab? - ✔✔300 volts What is the most common cause of rope failure? - ✔✔Lack of lubrication 8x19 cable is more flexible but not as strong? - ✔✔6x19 cable is not as flexible but is stronger. What is minimum height of the power guard cable in the machine room? - ✔✔Guards should be extended from a point 12 ft above the machine room floor. Define rated speed. - ✔✔A speed of which the elevator is designed to operate with rated load in up direction. Where are the thrust bearings located in a warm gear machine? - ✔✔On opposite end of warm gear shaft. Where are the thrust bearings use? - ✔✔Each end of the elevator hoist motor. How many feet should metal straps be apart on Rigid conduit? - ✔✔Within 3 ft of outlet box or J-box and supported every 10 ft there after. How many feet should metal straps be apart on flexible metal conduit? - ✔✔Within 12 inches of each side of J-box or outlet box and intervals not exciting 54 inches. An emergency escape hatch minimum allowable size is? - ✔✔400 Sq inches, no side less than 16" other side is 25". The max stopping pressure of automatic self-closing doors? - ✔✔30 lbs. What is the tensil strength of 1/2 inch wire rope? - ✔✔14,500 What is the most flexible type of wire rope? - ✔✔Tiller What is the maximum allowable voltage located in the hoistway? - ✔✔300 volts Metal conduit shall be supported to a fixed foundation within what distance of every box? - ✔✔3 ft The diameter of a compensated sheave is determine how? - ✔✔32 x diameter of rope The diameter of hosting sheaves is determined by what? - ✔✔40 x diameter of rope Traction elevators with a rated speed of 250 fpm shall have what type of buffers? - ✔✔Oil buffers What are the types of buffers and their applications? - ✔✔-solid buffers max. speed 50 fpm -spring buffers max. speed 200 fpm -oil buffers max. speed UNLIMITED