In a diesel engine, when refitting piston rings you should （） Ⅰ.check the ring gap at the smallest diameter of the cylinder Ⅱ. Remove carbon from the ring groove
In the sentence “In some designs the cylinder oil is timed so that the oil injects only on the piston ring belt, the "piston ring belt" means （）.
After putting on a self-contained breathing apparatus，you open the air supply and hear a continuous ringing of a bell. What does this mean? （）
The piston rings are manufactured with a diameter （） the bore of the cylinder.
The main purpose of the piston oil scraper rings is to （）.
A condition contributing to diesel engine piston rings sticking in the ring grooves, is insufficient ring clearance at the ring（） Ⅰ.gap Ⅱ.side
All the rings are slightly rounded on their external top and bottom edges to keep the oil film on the cylinder liner during （） for new piston rings.
The （）has a water damp ring.
（） neutralizes the acid conditions and（） cleanses the rings and grooves.
（）the moveable plate and floating ring inside the pump is very difficult.
The sealing function of the piston ring is brought about by the gas pressure above and behind the piston ring, which forces it （） against the bottom of the ring groove, and （） against the cylinder wall.
When installing rings on a diesel engine piston, you should check the ring（）
What is the purpose of Dual Ring Interconnect with D C for SDH rings？（）
If the piston ring gap remains insufficient when installing new rings, youshould（）
Insufficient end clearance on newly fitted piston rings in a diesel enginewill cause the rings to（）
If the compression rings on a diesel engine piston become stuck in the ring groove, the cause may be due to（）
Which of the following are components of a mechanical seal? （） (1) stationary ring (2) rotational ring (3) packing (4)spring
Diesel engine piston ring blow-by is usually caused by excessive ring clearance at the ring（）
The lowest ring of a piston is （）.
10.What does the ring gesture (you form an O by holding the tip of your forefinger to the tip of your thumb) mean in Britain?
Who found the Ring in the cave at the beginning of the film ? ____
255. Which information does the outer ring of a compass rose on a nautical chart provide?
The Ring and the Book was the best work by A. Tennyson.
Which two rings show the weather 12 years ago？
