gas cylinder ______
气瓶
举一反三
- In addition to lubricating， cylinder oil assists in forming a gas seal and contains （） which clean the cylinder liner. A: additives B: water C: grease D: acid solutio
- The most appropriate description about the role of the cap for high-pressure gas cylinders is ( ).(2 points) A: to protect the valve from being damaged, prevent dust, grease, and other debris into the cylinder valve B: to label gas names and properties C: for beauty D: for proper labeling of cylinder manufacturing standards
- A<br/>gas enclosed in a cylinder by means of a piston that can move without<br/>friction is warmed, and 1000 J of heat enters the gas. Assuming that<br/>the volume of the gas is constant, the change in the internal energy<br/>of the gas is [] A: 0 B: 1000<br/>J C: -1000<br/>J D: None<br/>of the above
- The gas loads on the engine structure are constrained by means of hydraulically preloaded （） which connect the bed plate， frame sections and cylinder jackets into a single unit. A: connecting rods B: main bearing C: column D: tie rod
- The gas loads on the engine structure are constrained by means of hydraulically preloaded （） which connect the bed plate, frame sections and cylinder jackets into a single unit. A: Aconnecting rods B: Bmain bearing C: Ccolumn D: Dtie rods
内容
- 0
The top of the cylinder block is covered with the cylinder head. ( )
- 1
On the top of the cylinder is mounted the cylinder cover which is pressed onto （） of the cylinder liner by means of nuts and studs.
- 2
The cylinder liners are made of （） and the cylinder surfaces are sometimes chromium-plated.
- 3
The core of the engine block is the cylinder, capped by the cylinder head.
- 4
Engine block group includes ______, crankcase, cylinder head, cylinder gasket. A: cylinder block B: proprietor C: disciple D: barbarian