An inductor and capacitor are in parallel across a sine wave ac source. Inductor current (IL) is 4 mA and capacitor current (IC) is 9 mA. Total circuit current (IT) is
A) -5 mA B) 9 mA C) 5 mA D) -4 mA
C
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The area in dispute between the United States and Great Britain in 1845 lay between the
A. 42nd parallel and the Columbia River. B. Cascade Mountains, the Columbia River, and Puget Sound. C. 36°30' line and the Columbia River. D. 49th parallel and the 54°40' line. E. Columbia River, the 49th parallel, and the Pacific Ocean.
In an effort to reduce environmental impact during and after construction, reduce construction waste, and make buildings more efficient, the state of California passed the:
A) CALGreen Code. B) LEED Rating System. C) Montreal Protocol. D) International Energy Conservation Code.
Skin exposure to concrete or mortar can cause _____
a. silicosis b. scoliosis c. cement dermatitis d. osmosis
No special equipment is required to service R-134a (HFC-134a) refrigerant systems.
Answer the following statement true (T) or false (F)