If the CU is 0.50, the design goal is 100 foot-candles, the task plane is 1000 ft2, how many fixtures are needed if they each have 10,000 source lumens?
A) 30 fixtures.
B) 20 fixtures.
C) 50 fixtures.
D) 10 fixtures.
B) 20 fixtures.
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Many conditions leading to an unsoundness or blemish are ____________________ or treatable.
Fill in the blank(s) with the appropriate word(s).
Technician A says in an ideal combustion process, only HC and O2 would remain. Technician B says internal combustion engines do not achieve complete combustion. Who is correct?
A. Technician A B. Technician B C. Both A and B D. Neither A nor B
The resistance in circuit is 5 ohms, the capacitive reactance is 5 ohms, and the inductive reactance is 5 ohms. What if the total reactance of the circuit?
A) 5 ohms. B) 15 ohms. C) 10 ohms.
Efforts to regulate the monopolizing practices of railroad corporations FIRST came in the form of action by
A. Congress. B. the Supreme Court. C. state referendums and initiatives. D. President Cleveland's anti-trust activities. E. state legislatures.