1
GATE ME 2017 Set 2
Numerical
+1
-0
A machine component made of a ductile material is subjected to a variable loading with $${\sigma _{\min }} = - 50MPa$$ and $${\sigma _{\max }} = 50MPa.$$ If the corrected endurance limit and the yield strength for the material are $$\sigma {'_e}$$ $$100MPa$$ and $${\sigma _y} = 300MPa,$$ respectively, the factor of safety is __________.
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2
GATE ME 2015 Set 3
MCQ (Single Correct Answer)
+1
-0.3
For the given fluctuating fatigue load, the values of stress amplitude and stress ratio are respectively. GATE ME 2015 Set 3 Machine Design - Fatigue Strength Question 9 English
A
$$100$$ $$MPa$$ and $$5$$
B
$$250$$ $$MPa$$ and $$5$$
C
$$100$$ $$MPa$$ and $$0.20$$
D
$$250$$ $$MPa$$ and $$0.20$$
3
GATE ME 2015 Set 1
MCQ (Single Correct Answer)
+1
-0.3
Which one of the following is the most conservative fatigue failure criterion?
A
Soderberg
B
Modified Goodman
C
ASME Elliptic
D
Gerber
4
GATE ME 2014 Set 2
Numerical
+1
-0
In a structure subjected to fatigue loading, the minimum and maximum stresses developed in a cycle are $$200$$$$MPa$$ and $$400MPa$$ respectively. The value of stress amplitude (in $$MPa$$) is ____________.
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