The principal difference between loop scavenging and crossflow scavenging， as used in single acting diesel engines， is the （）
The principal difference between loop scavenging and crossflow scavenging， as used in single acting diesel engines， is the （）
（） of the A-frames there is a strong cast iron frame called the scavenging air box.
（） of the A-frames there is a strong cast iron frame called the scavenging air box.
On top of scavenging air box is mounted a strong cast iron frame for each cylinder known as（）
On top of scavenging air box is mounted a strong cast iron frame for each cylinder known as（）
The scavenging air ports are located at （） that they are just exposed by the upper edge of the piston when the piston is in the bottom dead center position.
The scavenging air ports are located at （） that they are just exposed by the upper edge of the piston when the piston is in the bottom dead center position.
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
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
After about 2000 hours’ running, we’ll do the following<br/>procedures except(). A: Inspecting the starting and safety valve. B: Cleaning the scavenging and exhaust ports.. C: Inspecting the ring piston blower. D: Checking the crankshaft and its alignment in the bearings.
After about 2000 hours’ running, we’ll do the following<br/>procedures except(). A: Inspecting the starting and safety valve. B: Cleaning the scavenging and exhaust ports.. C: Inspecting the ring piston blower. D: Checking the crankshaft and its alignment in the bearings.