An open valley is wider at the bottom than at the top _____
A) to provide a more visually pleasing joint
B) for easier cleaning and maintenance
C) to accommodate the higher volume of water that will be present near the bottom
D) to allow for variations in the width of shingles
Answer: C
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The resistance temperature detector (RTD) is made of ____________________ wire.
Fill in the blank(s) with the appropriate word(s).
Most capacitors used in industry, especially for power factor correction, are called ____ capacitors.
A. conducting B. DC C. polarized D. nonpolarized
As secretary of the treasury, Alexander Hamilton's first objective was to
A. help the wealthy. B. bring more industry to the United States. C. see that more agricultural products were exported. D. bolster the national credit. E. put the country on the gold standard.
When troubleshooting a gas furnace, the technician reads 0 volts at the gas valve solenoid coil during a call for heat. What would NOT be the problem?
A. defective gas valve B. defective room thermostat C. defective induced draft motor D. open limit switch E. defective blower motor