Select safe shop practices. (You may select more than one.)
A) Wipe up liquid spills at the end of every week.
B) Make sure any tools left on the floor are easily visible.
C) Store face shield by grinding equipment.
D) Store oily shop towels in metal waste containers.
E) Keep walking aisles clear of parts and tools.
C, D, E
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Imagine you had been living in the age of Jackson. Assume three of the following identities: a western yeoman farmer or settler, a western banker, a New England merchant, a laborer, a southern plantation owner, a New England upper-class Protestant missionary, or a Middle Atlantic shopkeeper. Would you have been for or against the following: nullification, veto of the bank, and Indian removal? Justify your position.
What will be an ideal response?
Turbidity in water is commonly treated by using a(n) _____.
a. activated-charcoal system b. diatomaceous-earth filter c. fine-mesh filter d. reverse-osmosis unit
How is heat pump Coefficient of Performance, COP, calculated?
A) COP is a measure of heating BTU per watt measured at one particular condition. B) COP is the ratio of heat output divided by heat input measured at one particular condition. C) COP is a measure of heating BTU per watt averaged for the entire heating season. D) COP is the ratio of heat output divided by heat input averaged for the entire heating season.
The burner gas input rate can be varied in 1 percent increments by using _____
a. an automatic gas valve b. a variable-speed inducer fan c. LP gas d. a modulating gas valve