Measurements, Calculations & Calibrations is one of 9 topics in the Grade 12 Agricultural Technology CAPS syllabus, covered across 3 lessons on Study Vault. Below are real practice questions from this topic with full worked answers.
Sample practice questions
Easy
1. How many square metres are in 1 hectare?
10 000 m^2
1 000 m^2
100 m^2
100 000 m^2
Answer: 10 000 m^2 — 1 hectare equals 10 000 square metres, the standard unit for describing field size.
Easy
2. Which measuring tool uses a main scale and a sliding vernier scale to measure a small dimension, such as a bolt diameter, with greater precision than a standard ruler?
A vernier caliper
A steel tape measure
A spirit level
A pressure gauge
Answer: A vernier caliper — A vernier caliper reads both a main scale and a sliding vernier scale to achieve greater precision than a standard ruler, suited to measuring small dimensions such as a bolt diameter.
Medium
3. Name the tool used to confirm a surface or structure is perfectly horizontal or vertical during construction.
Answer: spirit level — A spirit level is used to confirm a surface or structure is perfectly horizontal or vertical during construction.
