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प्रश्न
What care would you take to increase the life span of a machine which you use?
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उत्तर
Taking care of machines: Some of the ways in which machines should be cared for are given below:
- Machines should be kept in a clean environment, which is free from dust and moisture.
- When not in use, machines should be kept covered to prevent the collection of dust on them.
- Machines made of iron should be protected from rust by coating them with paint.
- The moving parts of a machine should be regularly oiled with good-quality machine oil to reduce friction and wear and tear. The above care of machines increases their life.
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संबंधित प्रश्न
Select the correct alternative:
For an ideal machine, the efficiency is
What is the principle on which a machine works?
State if the following statement is true or false. Correct the statement if it is false.
There are four types of simple machines.
What is the purpose of a jack in lifting a car by it?
Define mechanical advantage (M.A.) of the machine.
Which machine will you use to do the following work? Write their type.
To lift bricks to the top of a tall building.
Which machine will you use to do the following work? Write their type.
To cut vegetables.
What is meant by simple machines?
The idea of a simple machine originated with the Greek philosopher Archimedes.
Simple machines makes work easier by trading ______ for force.
