A thick-bed mortar consists of

A) Portland cement, lime, sand, and water.
B) lime, sand, and water.
C) lime, limestone powder, sand, and water.
D) Portland cement, sand, and water.
E) none of the above.


D) Portland cement, sand, and water.

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A) Ohmmeter B) Ammeter C) Voltmeter D) None of these

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What is the purpose of the master thermostat in the basic zone control system?

What will be an ideal response?

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When seeking out references, which is one of the more important things to do before adding them to a list you submit to a potential employer?

A. buy them a gift B. ask them first C. invite them to lunch D. offer them a reward if you get the job

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