单选题 1分

When there is no movement of the rams on an electro-hydraulic steering gear, the tilting box of the ...

When there is no movement of the rams on an electro-hydraulic steering gear, the tilting box of the running pump is _______.
  • A. set for maximum torque
  • B. on the purge and vent stroke
  • C. in the neutral position
  • D. rotating backwards

你可能感兴趣的试题

1 单选题 1分
  • A. slag deposit
  • B. improper atomization
  • C. soot accumulations
  • D. waterside deposits
2 单选题 1分
  • A. high furnace temperatures
  • B. gas laning(收缩,原型lane) in tube banks
  • C. oxygen corrosion of metallic surfaces
  • D. overheating due to poor heat transfer
3 单选题 1分
  • A. increased heat transfer
  • B. fireside erosion
  • C. high steam demand
  • D. overheated tubes
5 单选题 1分
  • A. Superheater outlet pressure will rise.
  • B. Superheater outlet temperature will rise.
  • C. Steam pressure leaving the drum will increase
  • D. Steam temperature in the drum will decrease.