What color exhaust smoke occurs most often during cold engine starts because the smoke is usually condensed fuel droplets?
A) Grey B) Black C) White D) Blue
C
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Mineralization of soil organic matter results in the addition of inorganic nutrient ions to the soil solution
Indicate whether the statement is true or false
Technician A lifts a heavy load using leverage away from his body. Technician B lifts a load keeping it close to his body. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
After the band has been welded:
A) The teeth across the weld should be closer together for extra strength B) Any tooth spacing will be acceptable C) Tooth spacing across the weld should be the same as the rest of the band D) A small space should exist between the teeth across the weld
The amount of resistance in a resistor ________
A) is the same if the resistors are the same size B) changes as the amount of current that flows through it changes C) can be determined by color codes