What color code is normally used to identify an acetylene hose on an oxy-acetylene station?
A. red
B. blue
C. black
D. green
Answer: A
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The block that hosts the cylinder of a four-stroke cycle engine is usually made of _____
A) copper? B) steel? C) aluminum? D) alloy
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The system capacity of an air conditioner with a fixed metering device:
A) Is fixed regardless of the indoor wet bulb temperature. B) Is at its maximum when the indoor and outdoor temperatures are the same. C) Increases when the indoor wet bulb temperature rises. D) Decreases when the indoor wet bulb temperature rises.
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Two resistors are in series across a 12 V source. If each resistor equals 470 k?, what is the voltage across each resistor?
A) 6 V B) 12 V C) 3 V D) 9 V
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Convert the binary number 1001 to its Gray code equivalent value.
What will be an ideal response?
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