The mechanical efficiency of an engine is always less than 100% () losses occurring in the form friction.
Which of the factors listed has the greatest effect on the mechanical efficiency of a diesel engine?()
Which of the following devices is a common basic element with nearly all mechanical governors?()
Cooling enables the engine metals () their mechanical properties.
The direct acting mechanical governor used with some small diesel engines, controls fuel flow to the engine by()
In a simple mechanical governor, the ().
The mechanical efficiency of an engine is always less than 100% () losses occurring in the form friction.
The control lever for the mechanical disengaging apparatus in a lifeboat shall().
CMP(CMP-chemical mechanical polishing)包括哪些过程?
Modern marine diesel engines using mechanical fuel injection, operate on a combustion cycle which is()