If a HVACR technician determines the ratio of the density of a material to the density of a common material, what is she calculating?
A) Density B) Specific gravity C) Volume D) Specific volume
B
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A machine shop has a rectangular floor shape with dimensions of 30 ft by 50 ft. Express the area of the floor in ft2, m2, in2, and cm2. Show the conversion steps.
What will be an ideal response?
Which of the following is an advantage of a maintenance-free lead acid battery compared with a similarly sized and rated standard battery?
A. higher CCA B. sustains overcharging without failing C. longer inactivated shelf life D. all of the above
When using a DMM to test a diode, a good diode will show
A) high forward resistance and high reverse resistance B) low forward resistance and high reverse resistance C) high forward resistance and low reverse resistance D) low forward resistance and low reverse resistance
____________________ is the ability to be stretched, drawn or hammered thin without breaking.
Fill in the blank(s) with the appropriate word(s).