ABSITE EXAM REVIEW QUESTIONS WITH 100% CORRECT
ANSWERS | VERIFIED | LATEST UPDATE
You have a hoist rated at 3,000lbs, if you use a double block to
single block reeving, what would your total lifting capacity be?
- ----Answers-----6,000lbs
You need to find the DBG for the car, where would you find this
information? - ----Answers-----Final layout or Hoistway plan
view drawing
You are hoisting rails into the hoist way using a capstan hoist,
your apprentice is having a hard time pulling in rails. What can
be done to make it easier? - ----Answers-----Add another or
more wraps to the capstan hoist
Responding to a call on a hydro, you determine that the 50amp
circuit breaker that feeds the controller has tripped. What
component of the elevator has the ability to cause this
problem? - ----Answers-----The pump motor
The motor field windings on a DC motor are wound around a
laminated core. The composition of the core material is
dependent upon which characteristics? - ----Answers-----
Permeability: the ability of a substance to pack in magnetic
lines of flux in a given space
,You suspect a phasing issue with building power. Which
controller device should you check 1st? - ----Answers-----
Reverse phase relay: detects if incoming power has a loss of
phase or phase reversal
How do you measure AC voltage on a Digital Multimeter? - ---
-Answers-----Function to VAC Red lead to Volt ohm
Black lead to common
Sometimes necessary to increase output of a DC generator to
over speed an elevator as part of the safety test. If maximum
output is reached and speed cannot be increased, it is said to
be what? - ----Answers-----Saturated: cannot produce any
more magnetic lines of flux
What hydro piece uses electrical power using the principle of
electromagnetism? - ----Answers-----Hydro Valve Solenoid:
electro-mechanical device operated by a coil and having an
iron core steel plunger As an armature
Which of the following maintenance procedures addresses the
issue of proper DC generator commutation? - ----Answers---
--Continued contact between brushes and commutator
Customer is complaining that an older SCR drive powered
elevator, is causing noise in the building power lines. What can
help reduce the noise? - ----Answers-----Isolation
Transformer: Used to minimize electrical noise from being
reflected back to supply lines
,In a series circuit with a 10K ohm resistor and a 2mA current,
what is Voltage? - ----Answers-----20v
E=R x I
10,000 x .002= 20v
How would you connect an ohm-meter to check load
resistance? - ----Answers-----Black to common Red to V
ohm Switch at Ohm.
No power, take one lead off, connect in parallel Analog needs
to be Zeroed 1 st
Exciter voltage comes from what source? - ----Answers-----
Generator
Your pulling 15 #14awg 27 #16awg 57 #18awg wires. How many
spares needed? - ----Answers-----2 #14
3 #16
6 #18
10% spares required
You have 26 16' 22lb rails and 2 8' 22lb rails, what is the total
weight of the rails? - ----Answers-----27 x 16 x 22 = 9504lbs
You need to replace an unmarked SINGLE PHASE transformer
with primary voltage at 220vac current at 5amp. What size
, would you need to double it? - ----Answers-----KVa sizing
must be calculated from primary or secondary volt + amp info
Single phase kVa=(VxI) / 1,000 kVa=220x5== 1.1
kVa 2.2 kVa needed to double
You have attempted to start up a 3 phase AC motor and stalls
then hums or growls? - ----Answers-----If the rotor bar
becomes loose at the ring connection, or if the rotor bar
cracks, current cannot flow through The bar and the entire
rotor field is disrupted, causing loud growl or humming sound
Your fluke digital Multimeter reads 440vac, what value are you
reading? - ----Answers-----440vac RMS
You have determined that the period of an oscillation that you
can feel in the car is .5 seconds. What is the frequency of the
oscillation? - ----Answers-----2hz
Frequency from time or Period F=1/T F=1/.5= 2hz
Customer complains that elevator is having door problem at
every floor. Where do you start trouble shooting? - ----
Answers-----The car doors
Freight doors are binding because they are hanging out of
square, what adjustments can you make? - ----Answers-----
Adjust door track chains
ANSWERS | VERIFIED | LATEST UPDATE
You have a hoist rated at 3,000lbs, if you use a double block to
single block reeving, what would your total lifting capacity be?
- ----Answers-----6,000lbs
You need to find the DBG for the car, where would you find this
information? - ----Answers-----Final layout or Hoistway plan
view drawing
You are hoisting rails into the hoist way using a capstan hoist,
your apprentice is having a hard time pulling in rails. What can
be done to make it easier? - ----Answers-----Add another or
more wraps to the capstan hoist
Responding to a call on a hydro, you determine that the 50amp
circuit breaker that feeds the controller has tripped. What
component of the elevator has the ability to cause this
problem? - ----Answers-----The pump motor
The motor field windings on a DC motor are wound around a
laminated core. The composition of the core material is
dependent upon which characteristics? - ----Answers-----
Permeability: the ability of a substance to pack in magnetic
lines of flux in a given space
,You suspect a phasing issue with building power. Which
controller device should you check 1st? - ----Answers-----
Reverse phase relay: detects if incoming power has a loss of
phase or phase reversal
How do you measure AC voltage on a Digital Multimeter? - ---
-Answers-----Function to VAC Red lead to Volt ohm
Black lead to common
Sometimes necessary to increase output of a DC generator to
over speed an elevator as part of the safety test. If maximum
output is reached and speed cannot be increased, it is said to
be what? - ----Answers-----Saturated: cannot produce any
more magnetic lines of flux
What hydro piece uses electrical power using the principle of
electromagnetism? - ----Answers-----Hydro Valve Solenoid:
electro-mechanical device operated by a coil and having an
iron core steel plunger As an armature
Which of the following maintenance procedures addresses the
issue of proper DC generator commutation? - ----Answers---
--Continued contact between brushes and commutator
Customer is complaining that an older SCR drive powered
elevator, is causing noise in the building power lines. What can
help reduce the noise? - ----Answers-----Isolation
Transformer: Used to minimize electrical noise from being
reflected back to supply lines
,In a series circuit with a 10K ohm resistor and a 2mA current,
what is Voltage? - ----Answers-----20v
E=R x I
10,000 x .002= 20v
How would you connect an ohm-meter to check load
resistance? - ----Answers-----Black to common Red to V
ohm Switch at Ohm.
No power, take one lead off, connect in parallel Analog needs
to be Zeroed 1 st
Exciter voltage comes from what source? - ----Answers-----
Generator
Your pulling 15 #14awg 27 #16awg 57 #18awg wires. How many
spares needed? - ----Answers-----2 #14
3 #16
6 #18
10% spares required
You have 26 16' 22lb rails and 2 8' 22lb rails, what is the total
weight of the rails? - ----Answers-----27 x 16 x 22 = 9504lbs
You need to replace an unmarked SINGLE PHASE transformer
with primary voltage at 220vac current at 5amp. What size
, would you need to double it? - ----Answers-----KVa sizing
must be calculated from primary or secondary volt + amp info
Single phase kVa=(VxI) / 1,000 kVa=220x5== 1.1
kVa 2.2 kVa needed to double
You have attempted to start up a 3 phase AC motor and stalls
then hums or growls? - ----Answers-----If the rotor bar
becomes loose at the ring connection, or if the rotor bar
cracks, current cannot flow through The bar and the entire
rotor field is disrupted, causing loud growl or humming sound
Your fluke digital Multimeter reads 440vac, what value are you
reading? - ----Answers-----440vac RMS
You have determined that the period of an oscillation that you
can feel in the car is .5 seconds. What is the frequency of the
oscillation? - ----Answers-----2hz
Frequency from time or Period F=1/T F=1/.5= 2hz
Customer complains that elevator is having door problem at
every floor. Where do you start trouble shooting? - ----
Answers-----The car doors
Freight doors are binding because they are hanging out of
square, what adjustments can you make? - ----Answers-----
Adjust door track chains
