Char is made up of:
A) dead plant and animal tissues.
B) pyrolized plant materials.
C) living organisms and cells woven through wood ash.
D) identifiable biomolecules.
E) all of the above
B
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Which character of the vehicle identification number (VIN) represents the model year?
A) 10th B) 4th C) 6th D) 1st
When testing thermostats, technician A uses a pyrometer and says the engine side of the thermostat should be the hottest spot in the cooling system. Technician B says that incorrect ignition timing on older vehicles may be the cause of engine overheating. Which technician is correct?
A) Technician A only B) Technician B only C) Both Technicians A and B D) Neither Technician A nor B
The ________ is a group of materials that work together to keep the indoor environment separated from the outdoor environment
A) Pressure boundary B) House as a system C) Heat recovery system D) Building envelope
Nowhere in the NEC requires the removal of abandon conductors.
a. true b. false