Chapter 7

The use of the metal blade in a plough is (1) to penetrate deep into the soil easily. (2) to give strength to the L-shaped log. (3) to avoid breaking of wooden \(\log\) when it strikes a stone. (4) All the above

Which of the following agent(s) is (are) used to pull a plough? (1) Tractor (2) Bull (3) Man (4) Both (1) and (2)

Match the entries given in column \(A\) with the appropriate ones in column \(\mathrm{B}\).

Name the tool which is used to put fertilizer near the roots of a plant.

What is the use of collet in a multipurpose tool?

Name few tools which can be fixed on a multipurpose tool.

Write one use of a tin-cutter.

What are the uses of jaws in a vice?

What are the advantages of using seed drill?

Why is oil or grease applied to tools?