To ensure critical steps are not missed in an IAQ test procedure, the technician should:
A) Use an IAQ checklist.
B) Record all readings both electronically and on paper.
C) Use an electronic IAQ meter with integral prompts.
D) Take all readings twice.
A
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Compared to the over fire draft, the stack draft should be
A) A positive pressure B) About the same as the over fire draft C) less negative than the over fire draft D) more negative than the over fire draft
An uninsulated turbine receives superheated steam at 1000 psia, and the steam exits as a saturated vapor at 60 psia. There is a heat loss of 900 Btu/s from the turbine. The mass flow rate of the steam is 55 lbm/s. Using your turbine model, plot the power produced by the turbine for inlet temperatures ranging from 600oF to 950oF.
Given: P1 = 1000 psia; x2 = 1.0 (saturated vapor); m?=55 lbm/s; P2 = 60 psia; Q?=?900Btus; Steam State 1 is the inlet, state 2 is the outlet. Assume: For a turbine, assume steady-state, steady-flow, single-inlet, single-outlet flow, with ?KE = ?PE = 0 What will be an ideal response?
What should you do when giving feedback?
A) Speak for all team members B) Critique the problem, not the person C) Speak from others perspective D) Interrupt to get your feedback in
Mary Lou used a combine with a 24-foot header to combine 310 acres of wheat. She traveled at a rate of 4.8 miles per hour. She allowed an extra 13 percent of the time for turning and unloading. She had a yield of 46 bushels per acre. She has a grain bin 36 feet in diameter and 22 feet high to the roof with a roof 4.8 feet. She can fill the roof to 82 percent capacity.
a. How many hours did it take to combine the wheat? b. Can she store the wheat on the farm? Explain.