Concrete joints can be grouped into _____.
a. two classes
b. three classes
c. four classes
d. five classes
c. four classes
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Mortar types are identified by both proportion and property specifications, but not one alone.
Answer the following statement true (T) or false (F)
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What is the process called that separates the components of crude oil in order to break heavier hydrocarbon molecules into lighter hydrocarbon molecules?
A) Fracking B) Cracking C) Process heater D) Fireboxing
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Prevent chemical accident by never using a product if the container is not:
What will be an ideal response?
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Which EVAP valve(s) is (are) normally closed?
A) Canister vent valve B) Canister purge valve C) Both canister purge and canister vent valve D) Neither canister purge nor canister vent valve
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