An escalator handles a steady load of 30 peopleper minute in elevating them from the fi
Chapter 3, Problem 3/116(choose chapter or problem)
An escalator handles a steady load of 30 people per minute in elevating them from the first to the second floor through a vertical rise of \(24 \mathrm{ft}\). The average person weighs \(140 \mathrm{lb}\). If the motor which drives the unit delivers \(4 \mathrm{hp}\), calculate the mechanical efficiency e of the system.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer