Describe Type d equipment.
What will be an ideal response?
Type d equipment is permitted to be installed in Zone 1 areas and is designed to withstand an internal explosion without causing the ignition of the vapors surrounding the equipment.
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Thrust load is a load placed in parallel with the center of an axis.
Answer the following statement true (T) or false (F)
What are the four factors that determine how much voltage can be induced with a magnet?
What will be an ideal response?
DDC is a control process in which a microprocessor, acting as a digital controller, constantly updates a database of internal information.
Answer the following statement true (T) or false (F)
Complete the following exercises in complex arithmetic.
a. Find the complex conjugate of (4 +j 4), (2 ?j 8), (?5 + j 2).
b. Multiply the numerator and denominator of each ratio by the complex conjugate of the denominator. Use the result to express each ratio in polar form.
c. Convert the numerator and denominator of each ratio in part b to polar form. Use the result to express each ratio in polar form.