Design and Safety Factors MCQ’s

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This set of Materials Science Multiple Choice Questions & Answers (MCQs) focuses on “Design and Safety Factors”.

1. Which of the following can be the factor of safety for a dead load?
a) 6
b) 2
c) 4
d) 7

2. Which of the following can be the factor of safety for shock loading?
a) 11
b) 13
c) 4
d) 7

3. Which of the following is the numerator of factor safety formula?
a) Working stress
b) Shear stress
c) Tensile stress
d) Ultimate stress

4. Factor of safety is used to find out the reliability of the design.
a) True
b) False

5. For which of the following design factor of safety the design will work properly?
a) 0.1
b) 1
c) 2
d) 0.9

6. Design factor for most aircraft structures is 2.
a) True
b) False

7. What can understand by the factor of safety equal to one?
a) It means that the structure will fail under load
b) It means that the structure will only support the actual load
c) it means that the structure will support more than the actual load
d) There is no relation between factor safety and load application

8. What is a safe factor of failure for a component which on failure can result in financial loss or serious injury?
a) 1
b) 2
c) 3
d) 4

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