Portland cement plus lime (PCL) and sand are three particulate materials in mortar. In this mix, sand is three times that of PCL. Is this 3:1 relationship by weights of the materials or by their volumes?

What will be an ideal response?


By volume.

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An electronic module digital input that is internally-pulled down would most likely be connected to which of the following?

A. A variable reluctance sensor B. A switch that when closed provides a positive voltage to the electronic module input terminal C. A switch that when closed provides a ground for the electronic module input terminal D. Battery positive terminal

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What are troubleshooting guides and where can they be found?

What will be an ideal response?

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IT equals 0.1 mA in a 3-branch parallel circuit. If I1 = 0.022 mA and I2 = 0.007 mA, I3 =?

A) 0.213 mA B) 0.029 mA C) 0.142 mA D) 0.071 mA

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Which of the following is not a type of form control when considering cylindrical shapes?

A. straightness B. circularity C. concentricity D. cylindricity E. none of the above

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