Exercise 1. Read the sentences and mark the correct alternative

Quiz

It is of major importance to prevent contaminants to getting into the hydraulic system.
1. Yes, all contaminants must at all costs be avoided.
2. Yes but a small amount of water in the system is of no importance.
3. No, all contaminants will get stuck in the return oil filter.
When using a vacuum pump you can get air into the hydraulic system which can cause:
1. The filter not to function correctly.
2. A pump breakdown
It is important that fuel tanks have good filters
1. Yes.
2. No, machines have their own filters.
According to the chapter most machines of today have turbo charged engines.
1. Roughly 50 % of them have.
2. No
3. Yes
To adjust a machine's computer settings is very easy today.
1. No, it demands a fair amount of competence and can be time consuming.
2. Yes, a child can do it.
3. Yes, but not a child.
Tires should be well cared for.
1. They have a substantial value.
2. They impair the machine's capacity.
3. The tire pressure should be checked regularly.
4. Operators normally know very well when the tire pressure was checked last time.
Tire manufacturers provide air pressure recommendations including the following criteria:
1. Type of rubber.
2. Specific loads (in kilograms).
3. Long tire lives.
4. Machine stability.
Tire air pressure should be checked in low temperatures.
1. Yes, in low temperatures the tire air pressure can get too high.
2. Yes, the tire air pressure is lower in cold weather.
The use of chains does not affect the tire air pressure.
1. No, chains increase the tire air pressure.
2. Yes, it is correct
When putting liquid into tires you get
1. more stability.
2. better carrying capacity on soft grounds.
3. better traction.
4. more density if you ad calcium chloride.