By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）

Under MARPOL Code the ship to which it applies has to carry （）

（） is not installed on the main switchboar.

Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）

Diesel engine air start system check valves are opened by （）

Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）

The shipboard oil pollution emergency plan will be invalid after （）

The main purpose of port State control is not to（）

Using a file without a handle may result in （）

If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）