Curved claw hammers range from ________ oz. to ________ oz. in weight
A) 6, 12 B) 8, 16 C) 12, 16 D) 8, 20
D
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To obtain complete voltage control, the triac, like the SCR, must be ____________________.
Fill in the blank(s) with the appropriate word(s).
For grinding and repairing pipe, it is best to select a grinding disk that can be used at a _____ -degree angle.? ?
A. 30? B. 45? C. 60? D. 90?
The standard industry number designation for each refrigerant is assigned by:
A) NIST - National Institute for Standards and Testing. B) ASHRAE - American Society of Heating, Refrigeration and Air Conditioning Engineers. C) RSES - Refrigeration Service Engineer's Society. D) AHRI - Air Conditioning Heating and Refrigeration Institute.
Support straps for a duct are each 1 foot 4 inches long. How many support straps can be cut from a 42-foot piece of metal?
Fill in the blank(s) with the appropriate word(s).