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WorksheetsEngineering Materials
Total questions: 10
Worksheet time: 15mins
Which of the following factors does not influence the variety and quality of metal?
Rate of heating and cooling
Quenching medium
Grain size
Furnace
How does the rate of cooling affect the hardness of the metal?
Slow cooling, hard material
Slow cooking, soft material
Rapid cooling, soft material
No effective change
Which of the following is not a stage of annealing?
Heating
Soaking
Tempering
Quenching
Full annealing is applied to which kind of materials?
Steel castings
Steel wires
High carbon steels
Sheet products
For full annealing of hypoeutectoid steels, they are heated in a range above __________
153-250 C
273-350 C
551-770 C
723-910 C
Which among the following is not applicable to process annealing of steels?
Low scaling
Rapid
Expensive
Single phase morphology
What happens when internal residual stresses are not removed?
Coarse structure
Reduction of grain size
Distortion
Recrystallization
Process annealing is applied to which kind of materials?
Steel castings
Low carbon steels
High carbon steels
Medium carbon steels
Subcritical annealing is another name for ____________
Process annealing
Stress relief annealing
Recrystallization annealing
Spheroidise annealing
Commercial annealing is another name for ____________
Process annealing
Stress relief annealing
Recrystallization annealing
Spheroidise annealing
