Programmable logic controllers can be divided into four primary parts: the power supply, the central processing unit (CPU), the programming terminal, and the ____.
a. loading terminal
b. internal relay
c. programmable logic controller
d. the I/O rack
d. the I/O rack
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Answer the following statement(s) true (T) or false (F)
1. A sound level meter measures the sound pressure level of a source. 2. Dynamic range represents the maximum span between the loudest and softest level of sound. 3. The velocity of sound decreases at temperature increases. 4. The threshold of hearing is set to 0dB. 5. 0dB represents a complete absence of sound.
Briefly explain the decimal dimensioning system.
What will be an ideal response?
Which of the following is NOT part of the hazard warning lamp circuit?
A) Instrument panel B) Turn signal lamps C) Flasher unit D) Head lamps
Identify five types of solar PV materials and/or processes used to manufacture PV material
What will be an ideal response?