1. What is a Destructive test?
a) Destructive tests are applications for detecting flaws in materials without impairing their usefulness
b) Destructive tests are applications for detecting flaws that impair the use of the materials such as pressure testing
c) Destructive tests are applications for detecting flaws in materials with impairing their usefulness
d) Destructive tests are applications for detecting flaws that do not impair the use of the materials such as pressure testing
Answer:

1. Which of the following is not a non-destructive testing method?
a) Compression test
b) Visual testing
c) Ultrasonic testing
d) Eddy current testing
Answer:

1. ______ is the resistance of a material to plastic deformation by indentation.
a) Toughness
b) Resilience
c) Hardness
d) Stiffness
Answer: c) Hardness

2. Identify the type of destructive testing ______________
a) Radiographic test
b) Dye penetrant test
c) Creep test
d) Visual testing
Answer:

A cylindrical tensile test specimen having an original diameter of 12.8 mm and gauge length of 64.80 mm is pulled in tension until fracture occurs. The diameter at the point of fracture is 8.13 mm and the fractured gauge length is 74.17 mm. Calculate the ductility in terms of percent elongation.
(a) 18.42% 
(b) 14.46%
(c) 22.12%
(d) 28.16%
Answer: (b) 14.46%

A 10-mm-diameter Brinell hardness indenter produced an indentation 2.50 mm in diameter in a steel alloy when a load of 1000 kg was used. Compute the HB of this material. 
(a) 200
(b) 400
(c) 300
(d) 100
Answer: (a) 200

Area under the engineering stress-strain curve up to the yield point is known as: 
(a) Modulus of Resilience
(b) Modulus of Toughness
(c) Modulus of Elasticity
(d) None of these
Answer: (a) Modulus of Resilience