Carbon and graphite have high tensile strength.
Answer the following statement true (T) or false (F)
False
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A valve with a thin gate whose tapered edge allows it to cut through the slurry in the lines is a(n) _____ valve.
a. butterfly b. wafer c. knife gate d. angle
Technician A says that customer pay rate is sometimes higher than the factory flat rate. Technician B says that the factory flat rate times are usually longer (given more time) compared to aftermarket flat rate time guides. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
When using a recovery machine manufactured before November 15, 1993, the recovery level for Type II systems containing over 200 lb of R-22 refrigerant is:
A) 0 psig. B) 4 in Hg vacuum. C) 10 in Hg vacuum. D) 15 in Hg vacuum.
An element with a relatively large amount of electrons in the valence ring is considered to be a good conductor
Indicate whether the statement is true or false