An advantage of using galvanized sheet metal over other materials when assembling a duct system is it
_____.
a. is very quiet
b. is resistant to corrosion
c. is the least expensive
d. exhibits the lowest heat loss
b
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An electronically shifted automatic transmission uses ________ to shift the gear ratios.
A) Vacuum signals B) Solenoids C) Diodes D) Relays
Heavy-duty versions of steel and aluminum post shores can support a weight of up to _____.
a. 11,000 pounds b. 8,500 pounds c. 6,200 pounds d. 5,000 pounds
Scientists have been able to map the entire genome of many species of plants and animals
Indicate whether the statement is true or false
A steel bridge is 150 m long when the temperature is -20°C. By how much will its length increase when the temperature is 38°F? (Steel has a coefficient of linear expansion of 11 X 10^-6/°C
What will be an ideal response?