1
GATE ME 2023
MCQ (Single Correct Answer)
+1
-0.33

The S-N curve from a fatigue test for steel is shown. Which one of the options gives the endurance limit?

GATE ME 2023 Machine Design - Fatigue Strength Question 1 English
A
Sut
B
S2
C
S3
D
S4
2
GATE ME 2022 Set 1
MCQ (More than One Correct Answer)
+1
-0
Which of the following methods can improve the fatigue strength of a circular mild steel (MS) shaft?
A
Enhancing surface finish
B
Shot peening of the shaft
C
Increasing relative humidity
D
Reducing relative humidity
3
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 __________.
Your input ____
4
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 12 English
A
$$100$$ $$MPa$$ and $$5$$
B
$$250$$ $$MPa$$ and $$5$$
C
$$100$$ $$MPa$$ and $$0.20$$
D
$$250$$ $$MPa$$ and $$0.20$$
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