The thread on an oxygen hose is always _____
A) a left-hand thread B) a right-hand thread
C) painted blue D) painted red
B
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Two-wire control components are called ____ devices.
a. mechanical b. pilot c. coil d. starter
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¿Qué tamaño de cable tiene la mayor sección transversal?
a. 0 b. 00 c. 000 d. 0000
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Why are materials other than sheet lead used as shower pan base liners?
What will be an ideal response?
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An ampere is ____.
A. the difference in potential between two charges B. a measure of the quantity of electrons flowing past a point in the electrical circuit in a given time C. the unit of measure for resistance D. the unit of measure for capacitance
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