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| The working temperature of 95/5 solder is 827-843deg F |
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| The working temperature for 50/50 solder is 361-421deg F |
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| Iron fumes are extremely toxic? |
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| Iron fumes are extremely toxic? |
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| Iron fumes are extremely toxic? |
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| Iron fumes are extremely toxic? |
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| Iron fumes are extremely toxic? |
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| What is the volume of a cylinder when the diameteer is 6 units, and the length is 33units? |
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| The definition of an assembly of pipes, fittings, fixturess, traps and appurtenances that is used to convey sweaage, clear water waste or storm water to a public sewer or a private sewaage diposal system, but does not include sub soil drainage pipes. |
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Term
| ____ vent is a vent pipe that serves one fixture |
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| Vent ______ is a vent pipe that connects 2 or more vent stacks or stack vents to outdoors |
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| ________ means when applied to a fixture, connection, appliance valve, clean out or equipment having access to the removal of an access panel, door or similar obstruction. |
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| _______ means a vent pipe that serves a number of fixtures and connects to the fixture drain of the most upstream fixture. |
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| ______ means pressure higher than the supply pressure |
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| ______ means the unbstucted vertical distance through air between the lowest point of water supply outlet and the flood level rim of the fixture or device. |
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Term
| ANSI is the abbreviation for : |
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| American National Standards institute |
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Term
| What goggle shade number should be used for torch soldering |
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| Which torch line explosion is most serious? |
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| What type of eye protection should be worn while oxy-fuel gas cutting? |
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| While brazing medical – gas copper joints, a purge gas shall flow continuously to prevent the formation of copper oxide on the inside surface of the joint what shall be used as a purge gas? |
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Definition
| Oil free, dry Nitrogen NF |
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Term
| What is the common measure of the probable discharge into the drainage system by various types of plumbing fixtures? |
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Definition
| (DFU) Drainage fixture unit |
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Term
| The name of the trap used on the waste outlet of a service tank is: |
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| A pop-up waste is a device which incorporate the use of a: |
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| Which of the following is NOT an appliance frequently found in every home? |
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| Which of the following is required to be used when connecting horizontal piping into a vertical transition? |
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| How, are pumps commonly controlled for stopping and starting? |
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| The height of one foot of water generates a pressure at its base of |
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| Baseboard radiation is best suited for: |
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| Doubling the diameter of a pipe will increase the volume or carrying capcity |
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| An airtrol tank fitting is installed on the |
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