更多"The furnace of an oil fired boiler "的相关试题:
[单项选择]Too much air in the furnace of an oil-fired boiler would be indicated by （）.
A. yellowish flame
B. golden yellow flame
C. white flame
D. brilliant white flame
[单项选择]The boiler is fired （） the demand for steam exceeds that available from exhaust gas heating.
A. whenever
B. however
C. wherever
D. whether
[单项选择]The water in an operating auxiliary boiler should be tested for alkalinity and chloride content each（）.
A. hour
B. day
C. week
D. month
[单项选择]The water in an auxiliary boiler should be tested daily for （）.
A. dissolved oxygen
B. chlorides
C. sludge
D. dissolved nitrogen
[单项选择]The water in an auxiliary boiler should be chemically tested daily for alkalinity and（）
A. soap hardness
B. nitrog encontent
C. chloride content
D. dissolved CO2
[单项选择]The internal part of boiler should be welded by yard if found （）.
A. sealed
B. cracked
C. shape changed
D. deformed
[单项选择]The internal part of boiler should be cleaned by yard if found （）.
A. scaled
B. worn
C. deformed
D. rested
[单项选择]The tube in a boiler should be blinded if found （）.
A. scaled
B. informed
C. leaky
D. deformed
[单项选择]As for a oil-fired boiler too much air would indicated by （）.
A. yellowish flame
B. golden yellow flame
C. milky flame
D. brilliant white flame
[单项选择]
As for an oil-fired boiler if at a normal steaming condition and water goes out of sight in gauge glasses the action you should take is: （）
(1) secure oil to fires
(2) increase feed pump pressure
A. （1）
B. （1）and（2）
C. （2）
D. neither（1）nor（2）
[单项选择]The defective place in the furnace should be （） with fire bricks.
A. paved
B. cleaned
C. welded
D. dismantled
[单项选择]In a （） boiler the hot gases from the furnace pass through the tubes while the water is on the outside.
A. water-tube
B. fire-tube
C. exhaust gas
D. None of the above is true
[单项选择]How often should the lubricating oil of a diesel engine be changed?（）
A. After every trip
B. Every 4000 hours
C. According to manufacturer’s instructions
D. Every time they are shutdown
[单项选择]Waste oil should（）
A. be treated according to the C-Es command exactly
B. be treated according to MARPOL
C. accumulate in bilges or on tank tops in accordance with MARPOL
D. discharge to sea at the specified areas
[单项选择]（） should be tested and adjusted when the boiler survey is carried out.
A. The boiler oil tank
B. The steam pipe
C. The fire side
D. The safety valves
[单项选择]Which of the following should be recorded in Oil Record Book Part I (machinery space operation) ?（）
A. Non automatic discharge overboard of machinery space bilge water
B. Automatic discharge overboard of machinery space bilge water
C. A and B
D. Neither A nor B
[单项选择]There should be a lubricating oil （） between the main beatings and the crankshaft.
A. film
B. cap
C. lacquer
D. shell
[单项选择]The oil quantity for bearing lubrication should be applied in such an amount as to be sufficient to carry away the （） caused by the friction at the bearings.
A. acids
B. additives
C. heat
D. gear
