What do some current engines use to assist closed crankcase ventilation (CCV) emissions?
A. gas-sealed crankcase
B. electrostatic oil separator (EOS)
C. oxidation catalyst
D. HC reduction catalyst
Answer: B
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____________________ mites lodge in the air passages of adult bees and suffocate them
Fill in the blank(s) with correct word
All 15- or 20-ampere general-use receptacle outlets (except for small-appliance and laundry) are considered part of the ____.
A. main branch B. central service C. general lighting load D. general service
In temporary installations, single insulated feeder and branch circuit conductors may be used to supply power for temporary testing, emergencies, experiments, and developmental work where accessible _____.
a. to the general public b. to qualified persons only c. during daytime hours d. to a 600V service
A widely-recognized rating system for sustainable buildings introduced in 2000 is:
A) EPA SmartHome. B) AIA GreenDesign. C) LEED. D) US DOE Energy Crafted Homes.