Silicone, polyurethane, and polysulfide are commonly used as joint sealants. Explain their relative suitability for various applications.

What will be an ideal response?


See the Instructor's Manual (IM).

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Which of the following tools is capable of performing inside, outside, and depth measurements?

A. dial indicator B. digital calipers C. combination square D. inside micrometer

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The proper and safe method of discharging a capacitor is to _____

a. bleed off the charge using the positive and negative leads of an ammeter b. bleed off the charge using a capacitor-discharging tool c. connect a screwdriver across the terminals d. connect a jumper wire across the terminals

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An error signal develops when which of the following conditions occur?

A. the set point is changed B. a disturbance appears C. the load demand varies D. all of the above

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A wall 16'-2'' will require ____ sheets of OSB, with 3'-10'' left over.

A. two B. three C. four D. five

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