Podcast
Questions and Answers
What is the primary purpose of a counterweight in a traction elevator system?
What is the primary purpose of a counterweight in a traction elevator system?
- To amplify sound reflections from surfaces
- To facilitate flanking sound paths
- To counterbalance the weight of the elevator car (correct)
- To reduce ambient noise
Which of the following statements about sound is FALSE?
Which of the following statements about sound is FALSE?
- Sound moves in a straight-line path unless interrupted
- Noise is a desirable sound that enhances mental concentration (correct)
- Sound can be amplified by certain materials
- Sound is a rapidly varying pressure wave in a fluid medium
Why should equipment like heating units, pumps, and motors not be mounted on commercially available resilient machinery mounts and bases?
Why should equipment like heating units, pumps, and motors not be mounted on commercially available resilient machinery mounts and bases?
- To reduce noise pollution
- To increase the overall efficiency of the equipment
- To comply with building codes and regulations
- To prevent damage from excessive vibrations (correct)
What is the primary function of material-handling equipment?
What is the primary function of material-handling equipment?
What is a potential hazard associated with escalators?
What is a potential hazard associated with escalators?
What is a common characteristic of a septic tank?
What is a common characteristic of a septic tank?
What is the primary function of the counterweight in a traction elevator?
What is the primary function of the counterweight in a traction elevator?
What type of elevator is used to transport light-weight freight?
What type of elevator is used to transport light-weight freight?
What component is responsible for softening the force of a car hitting the pit during an emergency?
What component is responsible for softening the force of a car hitting the pit during an emergency?
What is the purpose of the traveling cable in a traction elevator?
What is the purpose of the traveling cable in a traction elevator?
What type of elevator is installed in various structures to transport authorized personnel and their equipment?
What type of elevator is installed in various structures to transport authorized personnel and their equipment?
What is the main component of a traction elevator that moves the car up or down?
What is the main component of a traction elevator that moves the car up or down?
