Worksheets200 - Hoistway Structures Final Exam
Total questions: 45
Worksheet time: 23mins
What type of wrench is used to align the holes for rail installation?
Box wrench
Open end wrench
Offset wrench
Spud wrench
Which of the following statements applies to the use of hacksaws on the job?
Hacksaw blades must be installed with the teeth facing forward.
Using light pressure when cutting with a hacksaw will speed up the cutting.
Using heavy pressure when cutting with a hacksaw will ensure a straight cut.
Chisel a notch on the metal surface as a starting point when using a hacksaw.
What type of lumber must be used for decking and scaffolding?
Construction grade
Scaffold grade
Standard 2" x 4" planks
Pressure treated plywood
What safety precaution is most important when using rollers to move heavy equipment?
Never use wooden rollers
When turning the rollers, use large angles between them
Metal rollers must be made of solid stock
Pipe rollers must be picked up by the hollow inner part
Which of the following statements applies to nylon rope?
Nylon rope does not stretch under load
Nylon rope is unaffected by long exposure to sunlight
Nylon rope has poor abrasion resistance
Nylon rope is three times stronger than manila
Which of the following statements is correct about manila rope?
It is the best natural fiber for making rope
Quality manila rope has dark colored fibers
Manila rope does not absorb moisture
Manila rope is not as strong as sisal
When using Crosby clips, which of the following statements is correct?
Always clamp the dead end of the rope with the mating end that conforms to the shape of the rope
If more than one clip is used, the bolted ends should be alternately pointing up and down
To determine the correct minimum spacing multiply the rope diameter times 6
Crosby clips can be connected in either direction and on all types of rope
Which of the following knots is most useful for tying two different size ropes together?
Sheet bend
Square knot
Bowline
Bowline on a bight
Refer to the block arrangement in Figure 1 (4 sheaves). Using 10% friction for each sheave, what is the amount of force necessary to lift 430 lbs.?
122 lbs.
150.5 lbs.
212.2 lbs.
275 lbs.
When choosing planks for hoisting, what must be considered?
Use timber with less than 10% knots
Spruce lumber is sturdier than long leaf pine
Douglas fir is sturdier than long leaf pine
Use only scaffold grade lumber
Which of the following would decrease the friction of a sheave on a hoisting block?
Use bronze bushings instead of ball bearings
Use aluminum instead of steel sheaves
Allow the sheave to slide freely from side-to-side
Use the largest sheave that is practical
The ASME Safety Code requires oil buffers for elevators when traveling at a car speed of
100 FPM
200 FPM
150 FPM
Over 200 FPM
If the compensating sheave diameter is smaller than the distance between the car and counterweight compensating rope hitches, the plumb lead of the compensating rope from the compensating sheave should be from the ____ side.
Governor rope
Counterweight
Deflector sheave
Car
When the pit final limit switch is actuated, the car
Will run in the up direction only
Will only run at leveling speed
Will not run at all
Will run in the down direction only
The distance between the counterweight buffer striker plate and the striking distance of the counterweight buffer when the car floor is level with the top terminal landing is known as
Buffer stroke
Runby
Buffer strike distance
Buffer clearance
When the pit directional limit switch is actuated, the normal circuits will allow the car to run
Down
Up
Neither direction
Either direction
The operation of the down final limit switch will prevent movement of the car by normal operating devices in
The down direction only
The up direction only
Both directions of travel
High speed
What is used to hold two sections of rail together?
A rail bracket
A fishplate
A channel
An angle iron
You are for storing 64 standard 15 lb. T-rails on one of the floors of a high-rise building. What is the total weight it will put on the floor where it will be stored?
7680 lbs.
11,520 lbs.
15,360 lbs.
17,280 lbs.
When jumping rails and checking alignment, how many floors should be overlapped on the rails?
At least two floors above the last section installed
At least two floors below the last section installed
At least four floors above the last section installed
At least four floors below the last section installed
Which of the following items would be used to check DBG on a T-rail installation?
Rail bug
Thumb gauge
Bayonet gauge
Rail bracket template
What is the minimum number of elevator constructors needed to carry a standard length of 15 lb. rail?
1
2
3
4
What is the minimum number of elevator constructors needed to carry a standard length of jumbo T-rail?
1
2
3
4
You are on a T-rail job and have been told to stagger them. Which of the following would be done?
One side of the installed rail job have the groove up, while the other side has the tongue up.
Alternate rail sections are cut and installed on each side of the hoistway so there are no rail junctions across from each other.
Store the rails vertically on wooden blocks with adjacent rails alternating between groove up and tongue up.
Stack the rails horizontally in tiers with one row stacked with the groove facing out and the next row with the tongue facing out.
Which of the following would you refer to for the distance between the guide measurement?
Final layout
Straight-line Diagram
Schematic Wiring Diagram
Component Detail Drawing
When setting up your main rail center lines, which of the following statements is correct?
Take the reading off of the main floor sill.
Take the reading off of the top floor sill.
Take the reading off of the main floor corridor lines.
Take the reading off of the top floor corridor lines.
Which of the following is correct when using a portable working platform during rail installation?
Lifelines are not necessary if there is a rail system installed on the working platform.
The working platform must be tested weekly to ensure the safeties work properly.
Other trades may use the working platform when you are not doing the rail installation.
The hoisting cable and operational controls should be inspected daily prior to using the working platform.
When plumbing the hoistway for a bank of elevators, which of the following statements is correct?
Using the corridor line, locate the two outside rails of the bank as reference points for the rest of the rails in the bank.
Using the corridor line, locate the rails in one hoistway, and use these as reference points for the rest of the rials in the bank.
Drop plumb lines for the closest rails on two adjacent hoistways as reference points for the rest of the rails in the bank.
Drop plumb lines for alternate rails between adjacent hoistways as reference points for the rest of the rails in the bank.
When hoisting rails, which of the following statements is correct?
Use a well wheel when hoisting jumbo rails.
If using a hoisting winch, keep one turn of rope on the drum.
Use a mousing device on the lifting hook of the chain or block.
With one man hoisting rails manually, a single whip is required.
What is the correct minimum diameter of any sheave or drum in contact with hoist ropes?
20 times the diameter of the rope.
40 times the diameter of the rope.
No minimum is required if the ropes are slung over a deflector sheave.
No minimum is required if the ropes are slung over a secondary sheave.
Which of the following describes the function of the gear reduction unit on a geared machine?
Allows the drive sheave to safely rotate at 1700 rpm.
Increases the lifting capability of a small motor.
Allows the drive sheave to carry loads over 500 ft.
Eliminates the need to use a deflector sheave.
If the car counterweights and drum counterweights in a drum machine installation are in the same set of guide rails, how should they be configured?
The drum counterweights must be installed above the car counterweights.
The car counterweights must be double the weight of the drum counterweights.
The car counterweights must be installed above the drum counterweights.
The drum counterweights must be double the weight of the car counterweights.
Which drive sheave groove configuration requires the use of a double-wrapped secondary sheave?
V-grooves
U-grooves
Polyurethane groove inserts
Undercut V-grooves
What devices would you use to prevent the machine bedplate from lifting on one end as the elevator starts or stops?
Tie downs
Kick angles
Isolation pads
Crosby clamps
How much higher must the counterweight governor tripping speed be set above the car governor?
no higher than 10%
no higher than 15%
no higher than 20%
no higher than 25%
The car governor tripping speed must not be set at less than what percent of the rated car speed?
105%
110%
115%
120%
Which of the following statements is correct about electrical overspeed switches?
The are required on all traction elevators.
They are actuated simultaneously when the governor trips mechanically to prevent elevator restart.
They reset automatically when the car is taken off the safeties.
They must trip at not more than 90% of the mechanical tripping speed for cars that travel above 150 to 500 fpm.
When are counterweight safety and governor required?
If a frame-type counterweight is used.
When the space below the hoistway is not secured from access.
The rated car speed is over 200 fpm.
The roping method used on the machine is 2:1.
What is the minimum clearance allowed under the machine beams in a secondary space?
36"
42"
48"
54"
What is the minimum overhead clearance required in an overhead space containing a governor, machine beams, and overhead sheaves?
30 inches
42 inches
48 inches
54 inches
At what speed should counterweight safeties be set to trip?
At the same speed as the car governor.
At least 10% higher than the car governor.
Up to 10% higher than the car governor.
At less than the speed of the car governor.
If you have a 3500 lb. car rated at 4000 lb. capacity, how much should the counterweight assembly weigh for a normal 40% installation?
1400 lbs.
1600 lbs.
3700 lbs.
5100 lbs.
When must safeties be installed on dumbwaiters?
When the hoistway is greater than three floors.
Because of their small size, they are not required.
When dumbwaiters are carrying loads in excess of 500 lbs.
When there are occupiable spaces below the hoistway.
When an occupiable space is below the pit, what additional equipment is required on the counterweight?
Roller guide guards
Compensation ropes
Safeties
Oil buffers
Which statement best describes the requirements for safety rope?
Must be made of iron
Must be made 1/4" or greater in diameter
Must be made of corrosion resistant metal
Must use tiller rope
