A ____ is a manual worker in a particular skill or craft.
a. tradesman
b. salesman
c. journeyman
d. apprentice
b. salesman
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What is the correct point angle of a drill bit designed for drilling steel?
A. 90 degrees B. 100 degrees C. 120 degrees D. 150 degrees
Where can a tolerance on an angular dimension be given in a drawing?
What will be an ideal response?
The NEC requires that all _____________________ that may require servicing with the power on carry an arc flash label if there is a potential hazard.
A. non-dwelling equipment B. panelboards C. motor controllers D. machinery
What measurements are required to check combustion efficiency?
A) Manifold pressure, firing rate, and gas heating value B) Ambient temperature, stack temperature, flue gas O2%, and flue gas CO% C) O2%, CO2%, and CO ppm D) Return air temperature, supply and temperature, and stack temperature