Ⅰ only
Ⅱ only
both Ⅰ and Ⅱ
neither Ⅰ and Ⅱ
第1题:
One of the factors limiting the amount of toad which can be put on a modem marine diesel engine is the_______.
A.governor sensitivity
B.exhaust temperature
C.fuel injection pressure
D.speed of the cam shaft
第2题:
Excessive cylinder liner
water in the fuel system
Cracked cylinder liner
Leaking lube oil cooler
第3题:
Diesel engine blow-by is the leakage of combustion gases past the( ).
A.oil rings only
B.compression and scraper rings
C.cylinder liner sealing
D.cylinder liner ring grooves
第4题:
starting the engine while hot
knurling the piston skirt
operating the engine overheated
scuff resistant piston rings
第5题:
open the indicator cocks
supply some LO to cylinder liner wall with lubricator
put the fuel handle in the stop position
pump up the air bottle
第6题:
clogged fuel injection pumps
increased cylinder liner wear
intake valve stem corrosion
varnish deposit on pistons
第7题:
electric
heat
mechanical
exhaust
第8题:
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 CYL.Oil to cylinder liner wall with lubricator (only for two stoke diesel engine)
C.put the fuel handle in the "stop" position
D.pump up the air bottle
第9题:
top of the ring groove
cylinder liner oil film
bottom of the ring groove
back of the ring groove
第10题:
Internally finned liner
Externally finned liner
Wet liner
Integral water-jacket liner