Explain the concept of:
a. Embodied water
b. Embodied energy
What will be an ideal response?
a. Embodied water is a measure of the volume of freshwater consumed directly as well as indirectly when producing, distributing, and using a product. b. Embodied energy is the total amount of energy required in delivering product or a service across the product chain.
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____ are made of heavy copper ribbons wound around soft iron cores called pole shoes.
A. Field coils B. Commutator bars C. Armatures D. Windings
Why are the EGR gases cooled before entering the engine on some engines?
A) To help prevent the exhaust from slowing down B) To prevent heating the air-fuel mixture in the cylinder C) To prevent damage to the intake valves D) Cool exhaust gas is more effective at controlling NOx emissions
Which of the following best describes the difference between a passive and an active solar heating system? _______
a. The active system uses more energy than the passive system because it has pumps and fans. b. The passive system uses more energy than the passive system because it has pumps and fans. c. There is no difference between the active and passive types of solar heating systems.
Technician A says that the accumulator is on the high-pressure side of the refrigerant system. Technician B says that the receiver-drier is attached to the evaporator outlet on the refrigerant system. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B