NEIEP 800 FINAL EXAM
Hydro elevators in low rise applications do not need an _____ _____ room. - ANS-
overhead machine
Some advantages of hydros are lower equipment and building construction costs
because the load of a hydro is carried to the _____ whereas the load of a traction car is
carried by the _____ _____. - ANS- 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 _____ _____. - ANS- 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. - ANS-
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. - ANS- 1, 180
On power units having the motor beneath the tank, the pump may be either _____ driven
or _____ coupled. - ANS- 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. - ANS- silencer, muffler
On Bolsters/Bolster Assembly, the plunger is fastened to the _____ _____ which is then
mounted to the center of the Bolster Assembly. - ANS- platen plate
With wye-delta, reduced current starting is accomplished without the need for _____. -
ANS- resistors
_____ run buttons should run the platform and sling at leveling speeds only. - ANS-
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. - ANS- relief valve
A _____ lowering valve allows the car to be lowered at a speed not exceeding 20fpm in
case of power failure. - ANS- manual
,As the oil temperature changes, the _____ will change as well and will effect the
performance, more specifically, the leveling and approach of the elevator. - ANS-
viscosity
Be sure wellways are properly _____ to avoid accidental injury to you, your team or
anyone working outside of our industry. - ANS- barricaded
Barricades around the wellway must be _____ inches high and be capable of
withstanding a _____lb force. - ANS- 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. -
ANS- GFCI
A _____ _____ is useful for horizontal (side-to-side) pulling of the truss while being
lowered into the wellway. - ANS- 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. - ANS- 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. - ANS- 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. - ANS- step level, 1/8
Per code, an installed escalator can exceed the 30 degree angle of inclination by _____
degree. - ANS- 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. - ANS- 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. - ANS- 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. - ANS- 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. - ANS- below
(True/False) LULA's must provide a permanent mechanical holding device to
mechanically stop and hold the car between 35 and 79 inches above the pit floor and
must be held 24 inches minimum above the bottom sill. - ANS- True
LULA maximum rise is _____ ft - ANS- 25
Residential elevator maximum platform area is _____ sq ft - ANS- 15
Hydraulic overspeed valves will stop a downward traveling car if it exceeds speeds rated
between _____ and _____ percent. - ANS- 110, 140
Car door switches are required to operate no more than _____ inches from full closed. -
ANS- 2
With chairlifts, there needs to be at least _____ inches of free passage width remaining
on the stairway, per code. If the lift has a seat, it can be measured with the seat in the
folded position. - ANS- 20
The _____ _____ short radius spiral is a type of short radius spiral. - ANS- double 90
The capacity of a chairlift shall not exceed two persons. The rated load shall not be less
than _____ lbs for a one seat lift and not less than _____ lbs for a two seat lift. The speed
shall not exceed _____ fpm. - ANS- 250, 400, 40
(True/False) With platform lifts, codes require a handrail between 1 and 3 inches in
diameter, 1 1/2 inches minimum from the wall and 34 to 38 inches above the stair tread
nosing. - ANS- True
Per code, where the actuation of the safeties is by a governor, the safety shall be set at a
maximum speed of _____ fpm - ANS- 75
With platform lifts, the _____ is referring to the space occupied by the lifts' travel whether
it is enclosed, partially enclosed or open construction. - ANS- Runway
Routine tests and inspections are to be made every _____ months for LULA's in
buildings other than private residences and every _____ for private residences. - ANS- 6,
year
What is the minimum height of a barricade in place around an open wellway? - ANS- 42"
What is the maximum angle of inclination for moving walks? - ANS- 12 degrees
, The major advantage of a hydraulic elevator is that it __________ _________ building
structural support. - ANS- requires less
What would be the effect of increasing the size of the oil line if all other elements in a
hydraulic elevator system remain the same? - ANS- Rate of flow is increased
A __________ __________ is used to check a jack hole for plumb. - ANS- spider bob
What is the operating pressure of a hydraulic elevator with a gross weight of 1500
pounds and a plunger area of 15 square inches? - ANS- 100 psi
One gallon equals __________ cubic inches. - ANS- 231
Why is it important to follow a welding procedure using a sequence of short welds on
opposite sides of the cylinder? - ANS- To prevent warping the cylinder
If all other elements in a hydraulic elevator system remain the same, what would be the
effect of reducing the diameter of the plunger? - ANS- Higher system pressure
How do you prevent rusting of the plunger if the jack unit is installed in the well hole long
before the elevator will be completed? - ANS- Fill it with oil
(True/False)The pressure relief valve is operated electronically. - ANS- False
What prevents the plunger from leaving the cylinder? - ANS- The stop ring
The advantage of wye-delta starting is what? - ANS- Starting current is lower
A __________ cushions pulsations in the oil caused by the pump. - ANS- silencer
You can lower a hydraulic elevator without power by using the __________ __________
__________. - ANS- manual lowering valve
The __________ __________ assembly supports the platform of a hydraulic elevator. -
ANS- bolster channel
It is necessary to run a ground wire to the car sling of a hydraulic elevator to prevent
what? - ANS- electrical shock
What condition will trip a GFCI? - ANS- If a supply lead is shorted to ground
Hydro elevators in low rise applications do not need an _____ _____ room. - ANS-
overhead machine
Some advantages of hydros are lower equipment and building construction costs
because the load of a hydro is carried to the _____ whereas the load of a traction car is
carried by the _____ _____. - ANS- 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 _____ _____. - ANS- 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. - ANS-
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. - ANS- 1, 180
On power units having the motor beneath the tank, the pump may be either _____ driven
or _____ coupled. - ANS- 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. - ANS- silencer, muffler
On Bolsters/Bolster Assembly, the plunger is fastened to the _____ _____ which is then
mounted to the center of the Bolster Assembly. - ANS- platen plate
With wye-delta, reduced current starting is accomplished without the need for _____. -
ANS- resistors
_____ run buttons should run the platform and sling at leveling speeds only. - ANS-
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. - ANS- relief valve
A _____ lowering valve allows the car to be lowered at a speed not exceeding 20fpm in
case of power failure. - ANS- manual
,As the oil temperature changes, the _____ will change as well and will effect the
performance, more specifically, the leveling and approach of the elevator. - ANS-
viscosity
Be sure wellways are properly _____ to avoid accidental injury to you, your team or
anyone working outside of our industry. - ANS- barricaded
Barricades around the wellway must be _____ inches high and be capable of
withstanding a _____lb force. - ANS- 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. -
ANS- GFCI
A _____ _____ is useful for horizontal (side-to-side) pulling of the truss while being
lowered into the wellway. - ANS- 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. - ANS- 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. - ANS- 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. - ANS- step level, 1/8
Per code, an installed escalator can exceed the 30 degree angle of inclination by _____
degree. - ANS- 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. - ANS- 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. - ANS- 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. - ANS- 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. - ANS- below
(True/False) LULA's must provide a permanent mechanical holding device to
mechanically stop and hold the car between 35 and 79 inches above the pit floor and
must be held 24 inches minimum above the bottom sill. - ANS- True
LULA maximum rise is _____ ft - ANS- 25
Residential elevator maximum platform area is _____ sq ft - ANS- 15
Hydraulic overspeed valves will stop a downward traveling car if it exceeds speeds rated
between _____ and _____ percent. - ANS- 110, 140
Car door switches are required to operate no more than _____ inches from full closed. -
ANS- 2
With chairlifts, there needs to be at least _____ inches of free passage width remaining
on the stairway, per code. If the lift has a seat, it can be measured with the seat in the
folded position. - ANS- 20
The _____ _____ short radius spiral is a type of short radius spiral. - ANS- double 90
The capacity of a chairlift shall not exceed two persons. The rated load shall not be less
than _____ lbs for a one seat lift and not less than _____ lbs for a two seat lift. The speed
shall not exceed _____ fpm. - ANS- 250, 400, 40
(True/False) With platform lifts, codes require a handrail between 1 and 3 inches in
diameter, 1 1/2 inches minimum from the wall and 34 to 38 inches above the stair tread
nosing. - ANS- True
Per code, where the actuation of the safeties is by a governor, the safety shall be set at a
maximum speed of _____ fpm - ANS- 75
With platform lifts, the _____ is referring to the space occupied by the lifts' travel whether
it is enclosed, partially enclosed or open construction. - ANS- Runway
Routine tests and inspections are to be made every _____ months for LULA's in
buildings other than private residences and every _____ for private residences. - ANS- 6,
year
What is the minimum height of a barricade in place around an open wellway? - ANS- 42"
What is the maximum angle of inclination for moving walks? - ANS- 12 degrees
, The major advantage of a hydraulic elevator is that it __________ _________ building
structural support. - ANS- requires less
What would be the effect of increasing the size of the oil line if all other elements in a
hydraulic elevator system remain the same? - ANS- Rate of flow is increased
A __________ __________ is used to check a jack hole for plumb. - ANS- spider bob
What is the operating pressure of a hydraulic elevator with a gross weight of 1500
pounds and a plunger area of 15 square inches? - ANS- 100 psi
One gallon equals __________ cubic inches. - ANS- 231
Why is it important to follow a welding procedure using a sequence of short welds on
opposite sides of the cylinder? - ANS- To prevent warping the cylinder
If all other elements in a hydraulic elevator system remain the same, what would be the
effect of reducing the diameter of the plunger? - ANS- Higher system pressure
How do you prevent rusting of the plunger if the jack unit is installed in the well hole long
before the elevator will be completed? - ANS- Fill it with oil
(True/False)The pressure relief valve is operated electronically. - ANS- False
What prevents the plunger from leaving the cylinder? - ANS- The stop ring
The advantage of wye-delta starting is what? - ANS- Starting current is lower
A __________ cushions pulsations in the oil caused by the pump. - ANS- silencer
You can lower a hydraulic elevator without power by using the __________ __________
__________. - ANS- manual lowering valve
The __________ __________ assembly supports the platform of a hydraulic elevator. -
ANS- bolster channel
It is necessary to run a ground wire to the car sling of a hydraulic elevator to prevent
what? - ANS- electrical shock
What condition will trip a GFCI? - ANS- If a supply lead is shorted to ground
