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Which one of the following gas cylinders is filled with a porous material to minimize its free gas? A. Hydrogen B. Acetylene C. Helium D. Propane
Acetylene gas cylinder is filled with a porous material to minimize its free gas.
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Asked 1/18/2018 8:53:35 AM
Updated 1/18/2018 9:47:42 AM
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Acetylene gas cylinder is filled with a porous material to minimize its free gas.
Added 1/18/2018 9:47:42 AM
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If one body is positively charged and another body is negatively charged, free electrons tend to A. move from the positively charged body to the negatively charged body. B. remain in the negatively charged body. C. move from the negatively charged body to the positively charged body. D. remain in the positively charged body.
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Updated 1/18/2018 9:15:24 AM
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If one body is positively charged and another is body is negatively charged, free electrons tend to: Move from the negatively charged body to the positively charged body.
Added 1/18/2018 9:15:24 AM
This answer has been confirmed as correct and helpful.
Confirmed by Janet17 [1/18/2018 9:27:15 AM], Rated good by Janet17
When a gas is heated it expands. If the gas is contained, heating will increase its A. weight. B. volume. C. density. D. pressure.
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Updated 1/18/2018 9:14:17 AM
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When a gas is heated it expands. If the gas is contained, heating will increase its pressure.
Added 1/18/2018 9:14:17 AM
This answer has been confirmed as correct and helpful.
Hot operations produce dangerous sparks. Which operation produces more sparks that travel farther distances? A. Arc cutting B. Resistance welding C. Oxy-fuel cutting D. Oxy-fuel welding
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Updated 1/18/2018 9:45:02 AM
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Hot operations produce dangerous sparks. Arc cutting produces more sparks that travel farther distances.
Added 1/18/2018 9:45:02 AM
This answer has been confirmed as correct and helpful.
What unit of measure is used for an amount of electric current? A. Kilowatts B. Ohms C. Volts D. Amperes
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Updated 1/18/2018 1:00:32 PM
1 Answer/Comment
Amperes unit of measure is used for an amount of electric current.

Added 1/18/2018 1:00:32 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [1/18/2018 11:08:51 PM], Rated good by jeifunk
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