What is the most important safety precaution when using molten lead?
A. Be sure the piping is warmer than the ambient temperature.
B. Be sure that the ladle, oakum, and joint are dry.
C. Be sure to keep your head and face over the joint.
D. Be sure to wear a hardhat.
Answer: B
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Applying the letter "____" to a contour symbol signifies any method of finish may be used.
A. G B. H C. R D. U
When a spring pin fails to take grease and you know the zerk fitting to be functional, which of the following should you do first?
A. Replace the spring pin B. Remove the weight from the spring C. Replace the spring D. Remove and inspect the spring pin
The _________ ___________ is the valve that controls the amount of airflow into the engine.
Fill in the blank(s) with the appropriate word(s).
To convert serial data into parallel data you could use ________
A) a multiplexer B) a demultiplexer C) a comparator D) None of the above