Failure Fundamentals MCQs : This section focuses on the "Failure Fundamentals". These Multiple Choice Questions (MCQs) should be practiced to improve the Failure Fundamentals skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
Buckling in a column occurs in the material due to which of the following forces?
A. Compressive
B. Tensile
C. Shear
D. It doesn’t occur due to a force
Question 2
At what temperature is steel ductile?
A. -10 °C
B. -5 °C
C. -3 °C
D. 4 °C
Question 3
Improper heat treatment can cause mechanical failure.
A. TRUE
B. FALSE
Question 4
Is the speed of loading is increased then:
A. Chances of fracture increases
B. Chances of fracture decreases
C. Chances of fracture remain the same
D. Elasticity of the body increases
Question 5
What is the relation between fracture toughness and thickness?
A. Fracture toughness decreases with increase in thickness
B. Fracture toughness increases with increase in thickness
C. Fracture toughness does not depend on the thickness
D. Fracture toughness increase linearly with an increase in thickness
Question 6
When hot water is poured into the cold glass, the glass may crack.
A. TRUE
B. FALSE
Question 7
Which of the following decreases transition temperature in steel?
A. Carbon
B. Nitrogen
C. Phosphorous
D. Manganese
Question 8
Which of the following elements reduce fracture toughness in steel?
A. Phosphorous
B. Manganese
C. Iron
D. Aluminium
Question 9
Which of the following is false?
A. Notch is a sudden change in section of a material
B. Stress concentration is produced due to notches
C. Notches change the stress applied to the body
D. Smaller the tip of the notch, less the increase in stress
Question 10
Which of the following is not a factor affecting fracture?
A. Stress concentration
B. Temperature
C. Pressure
D. Speed of loading