Complete Questions And Correct Answers (Verified Answers)
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If rigging is roped 3:1 and a BEAM CLAMP is used to lift a 6,000lb load. What is the
beam capacity?
18,000lbs -210
How much resistance is measured over a normally closed switch?
.2 Ohms- should be zero but will never be that low
A car traveling in the hoistway always stops at the same spot and blows a fuse.
What causes this?
traveling cable has a cut/exposed wire or a short - 515
,How is a class 1 yearly buffer test preformed?
Car at the bottom landing and on inspection, jump out direction and final
limits. With pit clear, run down to compress the buffers, buffers should fully
extend within 90 seconds. Note: 5 yr is Full load, full speed - 555
How many strain supports are required on a 350 ft raceway?
4
1 every 100ft - 505-510
How is stainless steel drilled out?
Slow speed and constant pressure - 205
What is the required amout of retainer clips for wedge shackles and what is the
spacing?
At least 2. First clip being 4 times the diameter of the rope from the top of the
shackle, and the second clip is 8 times the diameter of the rope away from the
shackle. - 245
A 300 ohm resistor burns out, but you dont have another one. How can you make
one?
2- 600 ohms resistors in parallel is 300 ohms. Resistance is half of the highest
resistor in the parallel circuit. 3- 225 ohms is 75 ohms. - 345
When cutting laminated panels, which direction should the finish side face?
Finish side facing the cutting edge of the tool. Blade will burr the backside. - 225
,How do you cut a finished floor?
Cutting blade away from the finished side - 255
A 480 VAC stepdown 240 VAC transformer is connected to a 3 phase rectifier,
what is the output voltage?
320 VAC
3 phase full wave= 1.33 x output voltage. - 715
A car is loaded with 125% and sinks, why?
Slipping through the brake
IF you find a broken or missing barricade what should you do?
Write up a formal inspection request
What are the consequences of misaligned joints on a rack and pinion?
Broken gear teeth. CWT derailment. Excessive wear/crease the surface of the
tube. - 850
A dumbwaiter is 9 sqft in area, 4 ft in height, and capacity is 13.9lb/ft. What is the
total capacity?
9 X 4 x 13.9= 500lbs Max Capacity
You must enter a pit with a toxic atmosphere, how do you proceed?
Follow proper OSHA procedure with proper training and PPE - 133
, When changing a 1:1 car rated at 600fpm and 2,000lb capacity to a 2:1, what are the
new ratings?
300 fpm with 4000lbs capacity. Half the speed and double the capacity.
A vertical platform lift has a clearance of 1 inch. How much will it have to move to
meet code?
Move in 1/4 inch. Code is 3/4 in
A car weighs 2500lbs with a capacity of 2500lbs, The CWT is weighted 40% , how
much is the motor lifting when the car is fully loaded?
2500 (CAR) + 1000 ( 40%)= 3500lbs
5000-3500= 1500lbs lifted by the machine - 240
How must Oxygen and Acetylene tanks be stored?
Vertically, 12 feet apart, or on a cart with a ½ hour fire barrier between them
What is code for sill to sill distance?
Minimum- 1/2 in
Maximum- 1-1/2 in -
525