The substance that is used as the constant common material to measure specific gravity of solids is:
A) Water @ standard conditions. B) Ice @ standard conditions.
C) Air at standard conditions. D) Air in a vacuum @ 29.9 in Hg.
A
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During the construction of a recent office building, your company’s framing crew installed 515 lineal feet of 8-foot-high, metal-stud wall in two days. The crew consisted of two carpenters and one helper and worked eight hours per day. Determine productivity rate in labor hours per foot of wall for installing metal-stud walls on this project.
What will be an ideal response?
The oral technical presentation in many ways is not similar to a written one. You do not need to be well organized and have an outline of your presentation ready, similar to the format for a written report.
a. True b. False
The disadvantages of DDS include the limit on maximum output frequency and higher ___________
A. cost B. output waveforms C. phase noise D. analog units
When a line duty overload protecting a motor detects an overload, it:
A) Contacts the air conditioning service company using a dedicated communication link. B) Breaks the circuit to the coil of the contactor controlling the motor. C) Breaks the line voltage to the motor. D) Breaks the power line to the house.