/2027 Graded A+|Brand New!!!
Ring Test - Answer -You are about to replace the abrasive wheel on your grinder. What is the test
that should be performed prior to using.
130 Pg 20
3 Months - Answer -How often are extension cords checked for continuity?
129 Pg 20
7' 3" ½
DBG is 6'6"
15 Lbs rail is 3½ inches deep x 2 = 7"
¼ of shims x 2 = ½ of shim combined
6' 6" + 7 = 7' 3" plus the ½ of shim and = 7' 3" ½ - Answer -The DBG is 6' 6" using a 15 Lb. rail and
1/4 of shims. What is the distance between the angle brackets on the buffer support channel?
220 Pg 1 Figure 3, 215 Pg 5
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,One who is capable of identifying existing and predictable hazards and who has authorization to
take prompt, corrective measurements - Answer -The scaffold built in your hoistway must be
inspected by a competent person. How does OSHA define a competent person?
125 Pg 17
Tighten or inspect the pin - Answer -When using a clevis with a screw type pin, what must you
do before each lift?
210 Pg 9
Counterweights typically are hung to counter balance the weight of the car plus 40% of capicity
load.
3500 (Capacity) x 40 ÷ 100 = 1400 Lbs
1400 (40 % of capcity) + 7000 (Car Weight) = 8400Lbs. - Answer -A mechanic has a car that
weighs 7000 Lbs. with a capacity load of 3500 Lbs. The counter weight balance is 40%, What
does the counterweight weigh?
204 Pg 14
6
Rails are 16 feet standard length
Hydros only have car rails , so a SET of rails
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,48 ÷ 16 = 3 and we need a SET so x 2 = 6 - Answer -Your installing an simplex Hydro Elevator with
a total rise of 48'. How many rails will you need if you stack them staggered?
ASME Rule 207.8 requires that an elevator shall be able to lower , stop and HOLD 125% of rated
load safely.
3000 Lbs. x 125% ÷ 100 = 3750
3750 Lbs. which is 125% - Answer -You are installing an elevator with a capacity load of 3000
Lbs.How much of a load should the brake stop and hold if properly adjusted?
230 Pg 2
Safety Plank - Answer -On a traction elevator the bottom guide shoes or roller guides are
fastened to the ?
240 Pg 4
6000 Lbs. - Answer -You have a hoist rated at 3000 Lbs. If you used a double block to single block
reeving , what would your total lifting capacity be?
Final Layout/ hoistway plan view drawing - Answer -Your apprentice ask you what the DBG is for
a new installation you are on. Where would you find this information?
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, 175 Pg 11
Add another wrap to the winch - Answer -While hoisting a rail with a capstan winch with a
single whip line, the apprentice has a hard time lifting the rail. What can be done?
210 Pg 17
The Pump Motor - Answer -When responding to a service call on a hydro elevator, you
determine that the 50 Amp. circuit breaker that feeds the controller has tripped. Which
component of the elevator system had the capability of causing this problem?
Permeability
The ability of a substance to pack in lines of magnetic flux within a given space. - Answer -The
motor field winding on a DC Motor are wound around a laminated core piece. This piece is
necessary to obtain the needed magnetic field .
The composition of the core material is dependent on which characteristics ?
415 Pg 6
Reverse Phase Relay
The reverse phase device will detect if the incoming power has a loss of phase or phase reversal
- Answer -You suspect a phasing problem with the building power. Which one of the following
controller devices would you check first?
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