What did the removal of the pilot light, improvement of the heat exchanger, and addition of an induced-draft blower do for the mid-efficiency furnace?
A) It increased the cost of the unit by 20 percent. B) It improved unit efficiency to 80 percent.
C) It improved the unit's ease of repairs. D) It lowered the cost of the unit.
B
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What disaster led to the Mine Improvement and New Emergency Response (MINER) Act?
A) Triangle Shirtwaist Factory fire of 1911 B) West Virginia Sago Mine explosion in 2006 C) Chernobyl Nuclear Power Plant explosion in 1986 D) Deepwater Horizon explosion in 2010
Hot glue melts at what temperature?
a. 150°F c. 275°F b. 350°F d. 100°F
All switches illustrated in schematics are ________
A) Always shown in the off position B) Always shown in the on position C) Shown in their normal position D) Shown in their on position except for lighting switches
What can cause hard steering on a vehicle equipped with a hydraulic power assisted steering system?
A) Low or contaminated power steering fluid B) Low tire pressure C) Slipping power steering pump drive belt D) Any of the above