AND ANSWERS 100% CORRECT!!
, 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"