While bench testing a multi-orifii injector nozzle, it rapidly pulses (chatter) as NOP is achieved. Technician A says that the nozzle seat is defective and should be replaced. Technician B says that nozzle chatter usually occurs only during bench testing. Who is right?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A nor B
Answer: B
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Indicate whether the statement is true or false
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The keratin in the cells of wool fibers consists of coiled chains of:
a. Proteins c. Enzymes b. Amino acids d. Carbohydrates
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_______ is the largest breed of cattle, reaching 4,000 pounds for bulls and 2,400 pounds for cows.
A. Hereford B. Shorthorn C. Chianina D. Charolais
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The file hardness test is useful to determine:
A) Brinell or Rockwell hardness numbers exactly B) The carbon content of steels C) The machinability and relative hardness of metals D) All of the above
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