An electric heater built into some smaller diesel engines is used to _______.
A: aise lube oil viscosity for easier starting in cold weathe
B: increase air inlet temperature
C: increase compression ratio
D: increase jacket water temperature for easier starting in cold weathe
A: aise lube oil viscosity for easier starting in cold weathe
B: increase air inlet temperature
C: increase compression ratio
D: increase jacket water temperature for easier starting in cold weathe
举一反三
- What’s the main purpose of the servo fuel heater on CFM56-3 engine? ( ) A: To decrease the supply oil temperature B: To increase the servo fuel temperature C: To decrease the scavenge oil temperature D: To increase the combustion fuel temperature
- The temperature difference between the inlet and outlet temperature of the lube oil cooler in the lubricating system for the diesel engine is generally between （）.
- An increase in the air inlet manifold pressure of a diesel engine will result in a/an （）.
- Increasing the temperature of a fuel will ____ its viscosity, and vice-versa. A: increase B: not change C: reduce D: add
- For<br/>a given fuel, a change in the compression ratio will affect the<br/>ignition lag by which of the listed means? ____. A: an<br/>increase in compression ratio will increase the ignition lag B: in<br/>increase in compression ratio will decrease the ignition lag C: a<br/>decrease in compression ratio will decrease the ignition lag D: a<br/>decrease in ignition lag will increase the compression ratio