Which is the largest diameter wood screw, a No. 8 or No. 10?
What will be an ideal response?
No. 10
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Systems that operate with HCFC refrigerants, such as R-22, use __________ oil or __________ oil. Systems that operate with HFC refrigerants and HFC blends, such as R-410A, use __________ oil.
What will be an ideal response?
How can a technician determine what the proper PPE is for a particular application?
A) Read the instructions on the electrical panel. B) Read NFPA Standard 70E. C) Ask someone near the machine you are going to test. D) Safety glasses work for most jobs.
Cerium oxide (CeO2) is added to tungsten to improve the current-carrying capacity in the same manner as does ____.
A. titanium B. aluminum C. calcium D. thorium
A major part of new product development efforts is related to _____
a. increased job opportunities c. the study of food additives b. convenience foods d. chemicals