The Intensity of Sound I (As a Multiple of the Average

question 168

Multiple Choice

The intensity of sound I (as a multiple of the average minimum threshold of hearing intensity) is related to the decibel level D (or loudness of sound) according to . A decibel reading of 140 is at the threshold of pain. If is the intensity of this threshold and is the intensity when , express the ratio as a power of 10. ​

---

Definitions:

OTD

OTD stands for "On-Time Delivery," a key performance indicator measuring the success rate of delivering services or goods within the agreed timeframe.

XIO

Represents an "Examine if Open" instruction in ladder logic programming, used to check if a specified condition, such as a switch being open, is met.

NC Limit Switch

A normally closed limit switch designed to maintain contact until it is activated or triggered by the movement of a machine part, then interrupting the circuit.

NO Limit Switch

An electromechanical device that uses a normally open (NO) configuration to detect the presence or absence of an object when the object interacts with the actuator.