The principal difference between loop scavenging and crossflow scavenging， as used in single acting diesel engines， is the （）
举一反三
- _____<br/>the engines, the diesel engine is _____ used engine on board. A: Between / more commonly B: Among / the most commonly C: Between / not more commonly D: Among / not the most commonly
- A two stroke diesel engine exhaust temperature will be lower than a four stroke diesel engine of the same displacement because the _____. ① MEP is lower and the scavenging air is cooling the exhaust gases ② valve overlap in a four stroke A.① B.② C.① and ② D.Neither ① nor ② is correct
- （） of the A-frames there is a strong cast iron frame called the scavenging air box.
- 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 （）.
- On top of scavenging air box is mounted a strong cast iron frame for each cylinder known as（）