For maximum efficiency, the duct system should be located within the building's:
A) interior walls B) insulation envelope
C) mechanical room D) basement
B
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If two 10-ohm resistors are connected in series, what is the total resistance of these resistors?
a. 100 ohms b. 20 ohms c. 5 ohms d. 1 ohm
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If steam flows through a 28-cm-diameter pipe at 6 MPa and 600°C with a velocity of 2 m/s, the mass flow rate is nearest:
A) 2.9 kg/s B) 2.3 kg/s C) 1.9 kg/s D) 1.1 kg/s
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In general, a good brake fluid should ________
A) Hold moisture well B) Not boil easily C) Freeze at very low temperatures D) Be very thick
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What is the symbol for voltage used in calculations?
A) I B) E C) R D) EMF
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