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The Pollution Prevention Regulations require that all oil spills in United States water be reported ...

The Pollution Prevention Regulations require that all oil spills in United States water be reported immediately to the ____.
  • A. local port authority
  • B. Corps of Engineers
  • C. U.S.Coast Guard
  • D. state pollution board
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1 单选题 1分
Dirt lodged on the nozzle valve seat of a fuel injection nozzle will cause _____.
  • A.insufficient fuel delivery through that nozzle
  • B.fuel leakage into the nozzle drain line
  • C.fuel leakage before and after injection
  • D.erosion and cratering of the nozzle orifices
2 单选题 1分
3 单选题 1分
Motor controllers are seldom很少 troubled with grounds because _______
  • A.there are separate switches for the motor and the control
  • B.the contactors and relays are mounted on a non-conducting panel
  • C.the resistor banks are composed of individual series-connected units
  • D.the auxiliary contacts have a high resistance connection
5 单选题 1分
Remote control means that ______.
  • A. the system is manned manually
  • B. the system is controlled automatically
  • C. the system is situated remotely from the operator
  • D. all the above
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