The amount of expansion space to be left in a fuel tank when fuel oil is being received, is determined by the （）.
Which of the actions listed should be taken FIRST to control an oil fire in a fuel oil tank?（）
Which of the listed conditions can be used to determine if lube oil has been diluted by fuel? （）
The ash content of a fuel oil is significant to the operating engineer because it （）
What color exhaust will be exhibited when a slow speed two-stroke/cycle main propulsion diesel engine, designed to operate on light and heavy fuel oil, is operated on insufficiently preheated heavy fuel oil?（）
To receive oil residues from the purification of fuel and lubricating oils in the machinery spaces, what kind of tank(s) should be provided on board?（）
The FIRST course of action in fighting a fire in a cargo or fuel oil tank is to （）.
When fuel oil is accidentally missed with lube oil which of the following processes can be used to separate them?（） Ⅰ.filtering Ⅱ.settling
When you are transferring fuel oil to the setting tanks, precautions to be observed should include （）
The FIRST step to take in fighting an engine room fire resulting from a ruptured fuel oil service line, is to （）.
When centrifuging heavy fuel oil, an important factor to consider is the （） (1) flow rate (2) viscosity of the fuel oil
Which of the following operations need to be entered on the Oil Record Book Part I? （） (1) Ballast of fuel oil tanks (2) Condition of oil discharge monitoring and control system
Which of the following operations need NOT to be entered on the Oil Record Book Part I?（） (1) Disposal of oil residues (2) Internal transfer of fuel oil
The selection of an oil depends （） on the operating conditions, the design of the engine and the type of fuel to be burned.
A dirty fuel oil filter is can be detected by （） Ⅰ.fuel oil analysis Ⅱ.observing the pressure drop across the filter
Fuel oil discharged to the diesel engine cylinder is atomized at the （）
Injectors for use with heavy fuel oil must be cooled by either water or light oil to （）
If you detect oil in the water around your vessel while discharging fuel, the FIRST thing to do is（）.
Fuel oil day tanks for diesel engines must be checked and cleaned and cleaned at regular intervals in order to remove（）
Fuel oil is regularly transferred to the day tank in order to （）
What is the term given to the process of breaking up fuel oil into very fine particles for better combustion?（）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated （）
In a typical fuel oil system, the oil is stored in tanks in the double bottom from which it is pumped to （） and heated.
In purification, there is no fuel oil in the clean oil outlet.It could be caused by _____. I.too high temperature of the dirty fuel oil; II. too low temperature of the dirty fuel oil; III. Clogged filter
