This document contains 7 multiple choice questions about measuring instruments like vernier calipers, micrometer screw gauges, and vernier scales. The questions ask students to interpret readings and measurements from diagrams of these instruments.

1. AS/Dept of Sci/Phy/Grd8/WS
1.The width of a wooden block is measured using vernier calipers.
What is the width of the block?
A 3.5 mm B 5.3 mm C 8.0 mm D 8.5 mm
2. What is the reading on this micrometer?
A 5.43 mm B 6.63 mm C 7.30 mm D 8.13 mm
3. The diagram shows part of a micrometer screw gauge.
What is the reading shown?
A 5.31mm B 5.79mm C 5.81mm D 6.31mm

2. AS/Dept of Sci/Phy/Grd8/WS
4. The diagram shows a vernier scale.
Which reading is shown?
A 3.44 cm B 3.46 cm C 3.60 cm D 4.00 cm
5. The diagram shows part of a vernier scale.
What is the correct reading?
A 30.5mm B 33.5mm C 38.0mm D 42.5mm
6. The diagram shows part of a vernier scale.
What is the reading on the vernier scale?
A 6.50 cm B 6.55 cm C 7.00 cm D 7.45 cm
7. The diagram shows part of the vernier scale on a pair of calipers.
Which reading is correct?
A 2.74 cm B 3.10 cm C 3.26 cm D 3.64 cm