. How are mechanical interlocks shown in a schematic diagram?
What will be an ideal response?
ANSWER: In a schematic diagram, mechanical interlocks are shown as dashed lines from each coil joining at a solid line.
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What color code is normally used to identify an oxygen hose on an oxy-acetylene station?
A. blue B. red C. black D. green
Who benefits from non-excusable delays and why?
What will be an ideal response?
The notation (2300V 3q 60 Hz) means that the motor is ____-phase.
A. one B. three C. 60 D. 2300
A technician needs to check a single-phase compressor. He labels the three terminals "A," "B," and "C" and takes resistance readings of the windings. He reads 10 ohms from "A" to "B," infinity from "B" to "C," and infinity from "C" to "A." Identify the terminals.
A. A: common B: start C: run B. Cannot identify terminals: winding grounded C. A: start B: run C: common D. Cannot identify terminals: open winding