ACTUAL Exam Questions and CORRECT
Answers
Cold working or welding of steel tends to develop unequal, internal stresses that should be
relieved by:
1. Re-welding
2. Hot working
3. Heat treating
4. Stress relieving
5. Annealing - CORRECT ANSWER - 3, 4, 5
Impurities in steel, such as sulphur and phosphorus, reduce the:
1. Stresses in the steel
2. Ductility of the steel
3. Malleability of the steel
4. Weight of the steel
5. Porosity of the steel
6. Welding qualities of the steel
7. Carbon content of the steel - CORRECT ANSWER - 2, 3, 6
A material that does not have ductility will be: - CORRECT ANSWER - Brittle
A tensile test is performed by subjecting the specimen to a/an: - CORRECT ANSWER -
Stretching type load
Cast iron is produced, by melting pig iron together with: - CORRECT ANSWER - Scrap
iron