When soldering copper pipe, the wire solder should be touched to the pipe surface once the flux starts to _____
A) melt
B) cool
C) bubble
D) harden
Answer: C
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What is the recommended tool used to check valve lash dimension?
A. thickness gauges B. dial indicator C. inside micrometer D. snap gauge
A load study that treats the whole house as one big room is called:
A) A unified load calculation. B) A multiroom load calculation. C) A shell load calculation. D) A monolithic load calculation.
Drill size tolerance charts are necessary because:
A. different drill bits may be used in similar situations. B. it is often up to the machinist which drill bit to use. C. a computer-aided manufacturing device is not always available. D. it is accepted that that no hole is going to be drilled exactly the size specified.
If a diode shows both low forward and low reverse resistance, it is probably ____.
A. opened B. shorted C. germanium D. silicon