Exercise 1

There are a couple of ways to start a modern forest machine:
1. To let it roll down a hill until the engine starts.
2. With a big crank.
3. With the starter
A inexplicably flat battery should always be checked by a competent person.
1. True
2. False
What is the danger of oxyhydrogen?
1. It is highly explosive
2. It can cause corrosion
Voltage spikes when using jumper cables cannot harm the machine.
1. True
2. False
Using a starter booster may cause damage to the electrical system.
1. True
2. False
What is a jump-start socket?
1. A device making it easier to jump into the cabin.
2. A button on the dashboard making it easier to start the machine in cold weather.
3. A device where you connect starting cables.
After having started a machine using jumper cables you should let the engine run not less than
1. 5 minutes
2. 10 minutes
3. 15 minutes
What fluid do you use to fill batteries with when the level is too low?
1. Sulphuric acid
2. Distilled water
3. Normal tap water
What is the right thing to do when using starting cables?
1. First you connect the red cable to the positive pole and then connect the black cable to the negative pole.
2. First you connect the black cable to the negative pole and then connect the red cable to the positive pole.
3. First you connect the red cable to the positive pole and then connect the black cable to the chassis of the machine.
It is most important to disconnect the black cable first when disconnecting the starting cables.
1. True
2. False