Late fuel injection in a diesel engine is indicated by low firing pressure with （）
A、low exhaust temperature
B、low exhaust pressure
C、mechanical knock in each cylinder
D、black or gray exhaust smoke
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STCW shall apply to seafarers（） on board seagoing ships entitled to fly the flag of a Party.
A、served
B、serving
C、surveyed
D、surveying
The over-speed trip device installed in some diesel engines is automatically actuated by（）
A、spring force
B、hydraulic pressure
C、centrifugal force
D、mechanical linkage
During the watch at sea （） should be logged or recorded in the engine log book.
A、the running hours of the cooling water pump
B、chief engineer’s order
C、the main parameters of main and auxiliary equipment
D、the position of the vessel
A moving object will not accelerate or decelerate （）a force is applied to it.
A、whether
B、if
C、unless
D、till
Before engaging the turning gear and turning the diesel engine, which of the following operation should be done except （）
A、open the indicator cocks
B、supply some LO to cylinder liner wall with lubricator
C、put the fuel handle in the stop position
D、pump up the air bottle
