AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS)
How many passengers are allowed on an elevator with a 2000
pound rated load?
☑☑: 13; 150 lbs average per person (2000/150=13)
What is the minimum clearance around hoist machines?
☑☑: 18"
When must oil buffers be used?
☑☑: Speeds over 200 fpm (0-50 = solid, 50-200 = spring)
Where must a light switch be mounted in the machine room?
☑☑: Within 18" of the lock side of the entrance door
What is the allowable maximum force developed by a door closer?
☑☑: 30 foot pounds
What is the maximum tripping speed of a governor with a rated
speed of 200 fpm?
☑☑: 175 fpm max, and not less than 115% of rated speed
At what height or above are pull straps required on vertical opening
manual doors?
, ☑☑: 6'6"
If an escape hatch of an elevator is 16" wide; what is the minimum
length?
☑☑: 25"; must be minimum of 400 sq in (400/16=25)
What color of wire is used for grounding under LA City code
☑☑: Green
What is the weight of a counterweight when the weight of the car is
6000 lbs, and the rated load is 4000 lbs?
☑☑: 7600 lbs (cwt is 40% of rated load plus car weight)
What is the minimum diameter of a compensating sheave, and a
suspension sheave?
☑☑: Compensating = 32x diameter of cable
Suspension = 40x diameter of cable
What is the maximum speed of an escalator?
☑☑: 100 fpm
What is an anti slide device?
☑☑: Metal puck or plastic guard between to escalators to
prevent people or objects from sliding down between escalators