The pressure of pilot air is usually （） than that of starting air.
B
举一反三
- Each cylinder has one starting valve which is usually opened by air pressure and closed by （）
- In an operating diesel engine, which of the following conditions is an indication of a leaking air starting valve? A.Noise coming from that air starting valve B.Continuous operation of the starting air compressor C.Zero air pressure in the air starting system D.Overheated starting air pipe to the cylinder head
- 词汇与结构 Warm air is less dense than cool air, and _____ air is less dense than dry air.
- （） is usually driven by the engine camshaft and supplies pilot air to the cylinder air start valve.
- Diesel engine air start system check valves are opened by （） A: an air start cam B: cylinder compression pressure C: starting air pressure D: valve spring
内容
- 0
The starting air system usually has （） to prevent starting if anything is not in order.
- 1
The starting air system usually has （） to prevent starting if anything is not in order. A: stop valves B: interlocks C: non-return valves D: air vent
- 2
The starting air system usually has （） to prevent starting if anything is not in order. A: drain cocks B: vent valves C: counteracts D: interlock
- 3
The primary task of the compressed air system is to deliver the starting air necessary for _____.
- 4
Compressed air is supplied by air compression to （）. A: the air receivers B: the starting valves C: the cylinder covers D: the distributor