ACCURATE SOLUTIONS
The total weight of your elevator (force) is 8100 lbs. and its plunger area is 50
square inches. What is the system pressure? - ANSWER ☑☑162 psi
Refer to the NEIEP Moving Walk Final Layout. What is the correct wellway-to-
wellway distance? - ANSWER ☑☑134' 11"
Electrolysis is caused by which of the following? - ANSWER ☑☑Stray current
corrosion and Galvanic corrosion BOTH ARE CORRECT
When using wire rope, the diameter of the sheaves must be how many times the
diameter of the suspension ropes? - ANSWER ☑☑30
Wye-Delta starting is used for which of the following? - ANSWER ☑☑Reduced
current starting
You need the area of the plunger to calculate the pressure of the hydraulic
system. Your plunger is 8 inches in diameter. What is it's area? - ANSWER
☑☑50.27 square inches
Which of the following provides mechanical interlocking of contactors? -
ANSWER ☑☑Interlock contacts
, As the certified welder on the job you must weld two cylinder pieces. How must
you join the two pieces? - ANSWER ☑☑Tack welds then a fill bead
Once a plunger joint has been completed, what steps should be followed to
prevent damage to the packing? - ANSWER ☑☑Sand with emery cloth
Under which of the following conditions will the buzzer (BZT) sound? - ANSWER
☑☑When the handrail speed is 15% below step speed.
Refer to the NEIEP Escalator Final Layout diagram. What is the total distance from
the first floor finished floor height and the second floor finished floor height? -
ANSWER ☑☑13' 6"
Refer to the NEIEP Escalator Final Layout diagram. What is the correct
measurement to align the truss in the center of the wellway? - ANSWER ☑☑7' 6
1/2"
What is the function of the lower newel wheel on a moving walk with solid
balustrades? - ANSWER ☑☑It acts as an idler
Which of the following will determine the leveling speed of an elevator? -
ANSWER ☑☑Rate of flow in gpm
Which of the following best describes the rack and pinion drive motor brake? -
ANSWER ☑☑It is spring set and electrically released