Please answer the questions correctly in the box mentioned below

1.   How many mm in one meter?

A.    100 mm

B.    1000 mm

C.    10000 mm

D.    100000 mm

2.   What is the reading accuracy of the engineer’s steel rule?

A.    0.1 mm

B.    0.3 mm

C.    0.5 mm

D.    0.7 mm

3.   What is the maximum range of engineer’s steel rule?

A.    150 mm

B.    300 mm

C.    600 mm

D.    1000 mm

4.   Which measuring instrument used to measure spring tension?

A.    Spring cutter

B.    Spring tester

C.    Spring expander

D.    Spring compressor