The most common problem with chain drives is that the chains are not checked and ____________________ often enough.
Fill in the blank(s) with the appropriate word(s).
lubricated
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Heat is delivered to a Carnot engine at the rate of 285 kJ/s and heat is rejected at a rate of 8.35 (10³) Btu/min to a 32ºC low-temperature reservoir. What is the temperature (in ºC) of the high-temperature source? Hint: Qin ? Qout = Work (useful output).
What will be an ideal response?
What are the effects of directional sun exposures on interior plants? Explain the problems and benefits
associated with different exposures.
What will be an ideal response?Technician A says that a vehicle equipped with part-time four-wheel drive should be driven in four-wheel drive only on slippery surfaces. Technician B says that full-time four-wheel-drive vehicles use a center differential in the transfer case. Which technician is correct?
A) Technician A B) Technician B C) Both technicians D) Neither technician
A multi-zone system allows a wide range of temperatures in different zones supplied by a single unit by
A) providing a blend of always available heated and cooled air to any zone B) using multiple small compressors C) reheating cooled air using strip heaters D) piping air from cool zones to warm zones