更多"The heated feed-water entering any "的相关试题:
[单项选择]The heated feedwater entering any flash chamber of a flash-type evaporator will（）
A. vaporize, with the unflashed water remaining at the temperature at which it entered the flash chamber
B. vaporize, with the unflashed water equalizing to the saturation conditions existing in the flash chamber
C. vaporize, with the remaining water at the temperature greater than it entered the flash chamber
D. boil, allowing steam bubbles to rise through the brine at the bottom of the flash chamber
[单项选择]A flash-type evaporator discharges heated seawater into a chamber that is maintained at a pressure than the vapor pressure of the entering heated seawater, and subsequently the flashed water vapor thereby produced（）
A. lower condensing
B. higher cooling
C. lower cooling
D. higher condensing
[单项选择]If you are unable to stop a diesel engine by any other means，you should（）.
A. discharge a CO2 extinguisher in the air inlet
B. pull off the distributor cap
C. secure the jacket water
D. secure the starting air supply valve
[单项选择]If there is any doubt as to the proper operation of a radar，which statement is TRUE?（）.
A. Only a radar expert can determine if the radar is operating
B. All radars have indicator lights and alarms to signal improper operation
C. A radar range compared to the actual range of a known object can be used to check the operation of the radar
D. The radar resolution detector must be energized to check the radar
[单项选择]Any action（）collision shall，if the circumstances of the case admit，made in ample time and with due regard to the observance of good seamanship.
A. taking to avoid
B. taking to avoiding
C. taken to avoid
D. taken to avoiding
[单项选择]In case of any loss or misfortune it is the duty of（）to take such measures as may be reasonable for the purpose of averting or minimizing a loss which would be recoverable under this insurance.
A. the Assured and their servants and agents
B. the Assurer and his servants and agents
C. the Charterer and his servants and agents
D. the Operator and his servants and agents
[单项选择]Which extinguishing agent will cool down a heated bulkhead in the least amount of time?（）
A. Water stream
B. Water fog or apray
C. Steam
D. Dry chemical
[单项选择]A heated bulkhead has the effect on a hygroscopic commodity of（）.
A. causing moisture to accumulate against the bulkhead
B. lowering the vapor pressure of the commodity
C. lowering the dew point of the air
D. raising the vapor pressure of the commodity
[单项选择]The cleaned heated oil, after passing through the centrifuges, is to be pumped to a （）.
A. settling tank
B. service tank
C. ballast tank
D. drain tank
[单项选择]Heavy residual fuel oils are heated prior to centrifuging to （）
A. reduce fuel weight
B. increase specific gravity
C. separate fuel from lube oil
D. reduce fuel viscosity
[单项选择]The rate of expansion of heated fuel oil varies with the （）.
A. conductivity
B. viscosity
C. volume
D. specific gravity
[单项选择]The vapors given off by heated fuel oil are heavier than air and are（）.
A. odorless
B. explosive
C. nontoxic
D. visible
[单项选择]The vapors given off by heated fuel oil are flammable, explosive, and （）
A. lighter than air
B. heavier than air
C. odorless
D. nontoxic
[单项选择]On which of the following heated surfaces of a flash type evaporator would you be more likely to find soft scale formation?（）
A. Feed-water heater internal tube surfaces
B. Internal distillate cooler tubes
C. Flash chamber vertical surfaces
D. Distilling condenser tubes
[单项选择]What is the effect of heated intake air on a diesel engine? （）
A. Increases efficiency
B. Increases engine horsepower
C. Increases engine life
D. Reduces engine horsepower
[单项选择]When the heavy fuel oil is heated to achieve the viscosity of 10-15 cst, may occur.To avoid this, a system is used in most occasions（）
A. boiling and cavitations; low temperature
B. boiling and cavitations; pressurized
C. leaking and boiling; low temperature
D. leaking and boiling; pressurized
[单项选择]When bilge water is heated in a holding tank, which one of the following statements is not accurate?（）
A. The high temperature facilitates primary gravity separation
B. Most of the oil and organic solvents are raised to the top layer
C. The high the temperature is, the more the top oil will be collected
D. The high temperature has little use on the separation of emulsified oil
