ELEVATOR MECHANIC REVIEW /023
FINAL TEST 2026 QUESTIONS WITH
CORRECT ANSWERS GRADED A+
◍ A Latching relay: Used for call registration,direction selection or as selector
relaysTwo types are: Set/Rest are electrical and Mechanical Latching relays
Need to know latching relay symbol, Its a box with shaded triangle in lower
right hand corner..
Answer: Which relay do you need to Order710 Pg, 7
◍ RPM = 60 ∙ ƒ ÷ P÷2 =Step 1. 60 x Frequency (Hz.) = Step 2. Poles ÷ 2
=Take answer 1 and ÷ by answer 2 =.
Answer: Know the formula for RPM435 Pg. 5
◍ If you are referring to a megohm meter, it is a test of the insulation
properties of such things as electric wiring, motor windings and high power
antenna mounts. We use a "megger" or "meg out" electrical wiring and
equipment to see if it is shorted to ground or the frame in any way. The
megger uses much higher voltages to check resistance than a normal
Volt-ohm meter. Minimum resistance is 1 Meg Ohm.
Answer: Know what a Megger is and what it does636 Pg. 13
◍ (1) A parallel connection. (2) A resistive element placed across the terminals
of an armature to bypass a portion of the current. (3) A flexible electrical
conductor designed to conduct current around the mechanical joint between
two conductors. (4) The resistive element (Usually of very low resistance)
used in parallel with a DC ammeter movement to bypass a calibrated portion
of the total circuit current..
Answer: Shunt Overloads425 All Pages
◍ Bad Ground.
, Answer: You are using a Temp Run Box and you get shocked! Why!520 Pg.
4
◍ The bridle hitch can consist of two,three, or four single hitches (fig. 3-22),
used together to form a bridle hitch for hoisting an objectA sling with two
legs used to lift a 1,000 pound object will have 500 pounds of the load on
each leg when the sling angle is 90 degrees. The load stress on each leg
increases as the angle decreases; and if the sling angle was 30 degrees lifting
the same 1,000 pound object, the load will be 1,000 pounds on each leg. Try
to keep all sling angles greater than 45 degrees; sling angles approaching 30
degrees are considered extremely hazardous and must be avoided at all cost..
Answer: Bridal Hitch128 Pg 17
◍ Car running up keep stopping why?.
Answer: Contact is not deenergizing in push button
◍ Third-floor bulbs burn out why?.
Answer: Shorted resistor
◍ Scaffolding should be tied to the structure using#9 wire or tie-in devices.
The first vertical tieshould be at the maximum height of 4 times
thenarrowest base dimension. Additional ties are notto exceed 26' vertically.
Maximum horizontaldistance between ties is not to exceed 30'..
Answer: Scaffolding, You have 32' of rise, you are using 3x5 scaffolding.
Where will the tie off points be ?140 PG. 287-288
◍ Counterweights (Typically) are hung to counter balance the weight of the
car PLUS 40% of Capacity Load..
Answer: How much should Counterweight way?240 Pg. 14
◍ Car will not travel to second floor without a third-floor me a call and will
not go down from three without a second-floor hall, what's the problem?.
Answer: 2Fl 4/6
◍ Why won't motor start?.
Answer: MOL1 95/96
,◍ Car doors closed and won't run what do you check?.
Answer: Check for voltage at four and fiveBad Transistor
◍ Top barricade can be replaced with?.
Answer: 1/4" Cable
◍ Note: We do not use wire smaller than #20 in travelling cables and #24
outside travelers.Largest wires are feeders to Hoist /Pump motorWe always
have 10 % spares10% of 52 = 5.2On a calculator Multiply the percent 10 by
the number you have and ÷ by 10010 X 52 ÷ 100 = 5.2.
Answer: Pulling Spare Wires (Example) 10% of 52 Wires515 Pg.26
◍ The correct lube must be used on chains..
Answer: The freight door motor is spinning but the door wont move,
Why?535 Pg. 9
◍ Lula: Limited use/Limited Access (Example Wheelchair Lifts)Max Rise
25'Max Speed 30 Ft/MinMax Capacity 1400 Lbs.Max Platform Area 18
Sq/Ft.Residential Elevator:Max Rise 50 'Max Speed 40 Ft/minMax Capacity
940 Lbs.Max Platform Area 19 Sq/Ft 840 Pg 2Dumbwaiters:Platform
limited to 9 Sq/FtInside height is limited to no more than 4 FeetCapacity is
limited to 500LbsNo Riders.
Answer: Read Lula and Dumb waiters545 Pg 1
◍ There is voltage at the switch but none at point a what's wrong?.
Answer: Either R1 or R2 open
◍ The door close limit switch is not working do you have power from 35 to
term eight. No power from 1 to 52 why?.
Answer: Door limit switch malfunction
◍ Car running normally but the buzzer will not shut off why?.
Answer: EHP 2/3 shorted
◍ You never get on top and you work only partially in with the main line OFF.
Answer: If you get on top of Dumbwaiter what must be done?545 Pg 14
◍ Relay STR has voltage. TRU has voltage, RU has no voltage, why?.
, Answer: TRU 9/8
◍ Notes:(Pi) π is 3.1416 and 231 Cubic inches to the GallonArea:Remember
to ÷ 6" ÷ 2 = 3 to get RadiusArea = π∙ r²Area = 3.1416 x 3 x 3 = 28.27
inches or 3.146 x 9 = 28.27VolumeMultiple are times height to solve for
VolumeV = A∙HV = 28.27 x 300 (25" feet x 12" = 300)V = 8481 Cubic
InchesSince we already know there are 231 cubic inches to the gallon 8481
÷ 231 = 36.71 Gallons.
Answer: PSI Formula and Gallons (Example) How much oil to move a 6"
jack 25'815 Pg 10
◍ Relief Valve :Must be tested AnnuallyIts is simply Pressure relief (If car
strikes obstruction,Overloaded Car,Car hits stop ring)If set to light Car may
not move!Check Valve: It is simply a one way valve permitting oil to flow
in one directionUp Valve:The most complicated valve in systemControls Up
Start and acceleration to high speed, up slow down, up leveling speed, and
up stopping.Down Valve:Because the elevator is not running when on the
down direction the down valve depends on system pressure.Bypass and
Relief Valve: Have been combined into one.
Answer: Valve Operation815 Pg 16,17
◍ Simply:In a Inverting Op Amp (INPUT) is supplied to the NegativeIn a Non
Inverting Op Amp (INPUT) is supplied to Positive.
Answer: Amplifiers (Inverting and Non Inverting)640 Pg 11
◍ Second floor PI illuminates then quickly extinguishes why?.
Answer: X1 4/6
◍ On a machine, what is drilled out first?.
Answer: Secondary sheave
◍ Minimum is 2 switches 15 lbs. and must stop the lift within 2".
Answer: In a vertical lift how many sensors are required (Pan Switches)845
Pg Unknown
◍ Dumb waiter takes off before loading why?.
Answer: Non interference
FINAL TEST 2026 QUESTIONS WITH
CORRECT ANSWERS GRADED A+
◍ A Latching relay: Used for call registration,direction selection or as selector
relaysTwo types are: Set/Rest are electrical and Mechanical Latching relays
Need to know latching relay symbol, Its a box with shaded triangle in lower
right hand corner..
Answer: Which relay do you need to Order710 Pg, 7
◍ RPM = 60 ∙ ƒ ÷ P÷2 =Step 1. 60 x Frequency (Hz.) = Step 2. Poles ÷ 2
=Take answer 1 and ÷ by answer 2 =.
Answer: Know the formula for RPM435 Pg. 5
◍ If you are referring to a megohm meter, it is a test of the insulation
properties of such things as electric wiring, motor windings and high power
antenna mounts. We use a "megger" or "meg out" electrical wiring and
equipment to see if it is shorted to ground or the frame in any way. The
megger uses much higher voltages to check resistance than a normal
Volt-ohm meter. Minimum resistance is 1 Meg Ohm.
Answer: Know what a Megger is and what it does636 Pg. 13
◍ (1) A parallel connection. (2) A resistive element placed across the terminals
of an armature to bypass a portion of the current. (3) A flexible electrical
conductor designed to conduct current around the mechanical joint between
two conductors. (4) The resistive element (Usually of very low resistance)
used in parallel with a DC ammeter movement to bypass a calibrated portion
of the total circuit current..
Answer: Shunt Overloads425 All Pages
◍ Bad Ground.
, Answer: You are using a Temp Run Box and you get shocked! Why!520 Pg.
4
◍ The bridle hitch can consist of two,three, or four single hitches (fig. 3-22),
used together to form a bridle hitch for hoisting an objectA sling with two
legs used to lift a 1,000 pound object will have 500 pounds of the load on
each leg when the sling angle is 90 degrees. The load stress on each leg
increases as the angle decreases; and if the sling angle was 30 degrees lifting
the same 1,000 pound object, the load will be 1,000 pounds on each leg. Try
to keep all sling angles greater than 45 degrees; sling angles approaching 30
degrees are considered extremely hazardous and must be avoided at all cost..
Answer: Bridal Hitch128 Pg 17
◍ Car running up keep stopping why?.
Answer: Contact is not deenergizing in push button
◍ Third-floor bulbs burn out why?.
Answer: Shorted resistor
◍ Scaffolding should be tied to the structure using#9 wire or tie-in devices.
The first vertical tieshould be at the maximum height of 4 times
thenarrowest base dimension. Additional ties are notto exceed 26' vertically.
Maximum horizontaldistance between ties is not to exceed 30'..
Answer: Scaffolding, You have 32' of rise, you are using 3x5 scaffolding.
Where will the tie off points be ?140 PG. 287-288
◍ Counterweights (Typically) are hung to counter balance the weight of the
car PLUS 40% of Capacity Load..
Answer: How much should Counterweight way?240 Pg. 14
◍ Car will not travel to second floor without a third-floor me a call and will
not go down from three without a second-floor hall, what's the problem?.
Answer: 2Fl 4/6
◍ Why won't motor start?.
Answer: MOL1 95/96
,◍ Car doors closed and won't run what do you check?.
Answer: Check for voltage at four and fiveBad Transistor
◍ Top barricade can be replaced with?.
Answer: 1/4" Cable
◍ Note: We do not use wire smaller than #20 in travelling cables and #24
outside travelers.Largest wires are feeders to Hoist /Pump motorWe always
have 10 % spares10% of 52 = 5.2On a calculator Multiply the percent 10 by
the number you have and ÷ by 10010 X 52 ÷ 100 = 5.2.
Answer: Pulling Spare Wires (Example) 10% of 52 Wires515 Pg.26
◍ The correct lube must be used on chains..
Answer: The freight door motor is spinning but the door wont move,
Why?535 Pg. 9
◍ Lula: Limited use/Limited Access (Example Wheelchair Lifts)Max Rise
25'Max Speed 30 Ft/MinMax Capacity 1400 Lbs.Max Platform Area 18
Sq/Ft.Residential Elevator:Max Rise 50 'Max Speed 40 Ft/minMax Capacity
940 Lbs.Max Platform Area 19 Sq/Ft 840 Pg 2Dumbwaiters:Platform
limited to 9 Sq/FtInside height is limited to no more than 4 FeetCapacity is
limited to 500LbsNo Riders.
Answer: Read Lula and Dumb waiters545 Pg 1
◍ There is voltage at the switch but none at point a what's wrong?.
Answer: Either R1 or R2 open
◍ The door close limit switch is not working do you have power from 35 to
term eight. No power from 1 to 52 why?.
Answer: Door limit switch malfunction
◍ Car running normally but the buzzer will not shut off why?.
Answer: EHP 2/3 shorted
◍ You never get on top and you work only partially in with the main line OFF.
Answer: If you get on top of Dumbwaiter what must be done?545 Pg 14
◍ Relay STR has voltage. TRU has voltage, RU has no voltage, why?.
, Answer: TRU 9/8
◍ Notes:(Pi) π is 3.1416 and 231 Cubic inches to the GallonArea:Remember
to ÷ 6" ÷ 2 = 3 to get RadiusArea = π∙ r²Area = 3.1416 x 3 x 3 = 28.27
inches or 3.146 x 9 = 28.27VolumeMultiple are times height to solve for
VolumeV = A∙HV = 28.27 x 300 (25" feet x 12" = 300)V = 8481 Cubic
InchesSince we already know there are 231 cubic inches to the gallon 8481
÷ 231 = 36.71 Gallons.
Answer: PSI Formula and Gallons (Example) How much oil to move a 6"
jack 25'815 Pg 10
◍ Relief Valve :Must be tested AnnuallyIts is simply Pressure relief (If car
strikes obstruction,Overloaded Car,Car hits stop ring)If set to light Car may
not move!Check Valve: It is simply a one way valve permitting oil to flow
in one directionUp Valve:The most complicated valve in systemControls Up
Start and acceleration to high speed, up slow down, up leveling speed, and
up stopping.Down Valve:Because the elevator is not running when on the
down direction the down valve depends on system pressure.Bypass and
Relief Valve: Have been combined into one.
Answer: Valve Operation815 Pg 16,17
◍ Simply:In a Inverting Op Amp (INPUT) is supplied to the NegativeIn a Non
Inverting Op Amp (INPUT) is supplied to Positive.
Answer: Amplifiers (Inverting and Non Inverting)640 Pg 11
◍ Second floor PI illuminates then quickly extinguishes why?.
Answer: X1 4/6
◍ On a machine, what is drilled out first?.
Answer: Secondary sheave
◍ Minimum is 2 switches 15 lbs. and must stop the lift within 2".
Answer: In a vertical lift how many sensors are required (Pan Switches)845
Pg Unknown
◍ Dumb waiter takes off before loading why?.
Answer: Non interference
