NEIEP 800 final review Questions With 100% Correct Answers.

The total weight of your elevator (force) is 8100 lbs. and its plunger area is 50 square inches. What is the system pressure? - 162 psi Refer to the NEIEP Moving Walk Final Layout. What is the correct wellway-to-wellway distance? - 134' 11" Electrolysis is caused by which of the following? - 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? - 30 Wye-Delta starting is used for which of the following? - 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? - 50.27 square inches Which of the following provides mechanical interlocking of contactors? - Interlock contacts As the certified welder on the job you must weld two cylinder pieces. How must you join the two pieces? - Tack welds then a fill bead Once a plunger joint has been completed, what steps should be followed to prevent damage to the packing? - Sand with emery cloth Under which of the following conditions will the buzzer (BZT) sound? - 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? - 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? - 7' 6 1/2" What is the function of the lower newel wheel on a moving walk with solid balustrades? - It acts as an idler