单项选择题

Fuel oil having a low cetane rating could result in（）

A.improved cold weather starting
B.excessive fuel oil consumption
C.reduced ignition lag
D.smoother engine operation

相关考题

The ignition quality of a fuel oil is an important oper...

单项选择题The ignition quality of a fuel oil is an important operational consideration because it（）

A.indicates the amount of abrasive material in the fuel
B.affects the starting ability of a cold engine
C.determines the amount of fuel penetration engine
D.affects the compression ratio of an operating engine

On a large low-speed main propulsion diesel engine, low...

单项选择题On a large low-speed main propulsion diesel engine, lower main bearing wear is usually measured by using a/an （）

A.dial indicator
B.outside caliper
C.bridge gauge
D.tram rod

To determine the main bearing clearance of a propulsion...

单项选择题To determine the main bearing clearance of a propulsion diesel engine, you should measure the main bearing shell using a ball anvil outside micrometer and measure the crankshaft journal using a/an （）

A.telescoping
B.ring ‘snap’ gauge
C.inside vernier caliper
D.outside micrometer

船舶电气与船舶安全

Fuel oil having a low cetane rating could result in（）