Troubleshooting A/C unit with TEV (10 SEER or less) - Diagnosis: Inefficient compressor Verify by pulling it into a vacuum


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Terra-cotta is not an acceptable material for flue linings.

Answer the following statement true (T) or false (F)

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Most UJTs should not be connected to capacitors larger than ____ microfarad(s).

A. 1 B. 10 C. 100 D. 1,000

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What kind of mounting is often used in tunnels and other underground installations where equipment is separated by long distances?

a. Wall mounting b. Direct rod mounting c. Trapeze mounting d. Center-hung mounting

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A roll of kitchen aluminum foil is 30 cm wide by 22 m long (if you unroll it). If the foil is 0.15 mm thick, and the specific weight of aluminum is 26460 N/m^3 , how much does the roll of aluminum foil weigh?

a. 52.4 N b. 5.24 N c. 262 N d. 26.2 N

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