Blaumann Test

Become a Blaumann

By correctly answering the following questions you will become a member of the 'Blaumänner' user group.
At least 3 helpful posts and one "thumbs up" are required to participate.
You will then be able to read and write in all forums without restrictions. Please select the correct answer and click 'Submit'.

What is the difference between open-loop and closed-loop control?
1) There is none
2) Open-loop control only acts on one control variable
3) Closed-loop control compares target and actual values, the differences lead to changes in the control variable(s)
4) Closed-loop control is faster than open-loop control
Answer:

If a diesel engine is hard to start, the problem could be...
1) diesel engines start poorly especially below 0°C
2) the clutch is slipping
3) there is diesel in the engine
4) air in the injection system
Answer:

The main difference between a diesel engine and a gasoline engine is...
1) the gasoline engine has self-ignition
2) the gasoline engine draws in pure air
3) the diesel engine draws in a fuel-air mixture
4) the diesel engine has no spark plug
Answer:

The shaft of a distributor injection pump rotates at...
1) half camshaft speed
2) crankshaft speed
3) double camshaft speed
4) half crankshaft speed
Answer: