Which one is NOT the ‘clear grounds’ for a more detailed inspection?()
A、absence of engine log book
B、serious corrosion on the hull
C、one page missing in the oil record book
D、paint peeling off some tailings in engine rooms
Which one is NOT the ‘clear grounds’ for a more detailed inspection?()
A、absence of engine log book
B、serious corrosion on the hull
C、one page missing in the oil record book
D、paint peeling off some tailings in engine rooms
Valve cages are used on some large diesel engines to ()
A、reduce wear on the valve stem
B、permit the use of alloy valve seat materials
C、reduce heat transfer from the valve seat
D、facilitate valve removal for servicing
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
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
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
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