The majority of welds receive only visual inspection.
Answer the following statement true (T) or false (F)
True
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All types of wire with identical gauge numbers (e.g. 12 AWG) always have the same thickness of insulation material.
Answer the following statement true (T) or false (F)
Reactive power is always _____.
a. equal to true power b. 90° out of phase with true power c. measured in ohms d. responsible for performing most of the work in a circuit
Why is cellular respiration said to be the opposite process to photosynthesis?
What will be an ideal response?
Some circuits employ the use of normally open auxiliary contacts to prevent motor 2 from starting before motor 1, and motor 3 cannot start before motor2. These normally open auxiliary contacts that control the starting sequence are often called ____contacts.
A. automatic B. permissive C. energizing D. overload