In nitrated parts, the origins of the fatigue cracks will occur at__________?
Which process will increase the fatigue duration of parts ?
The building up of worn and uridersized parts, subjected to repeated loads by electroplating is__________?
Yield point in fatigue loading as compared to static loading is__________?
The fatigue limit of a material__________?
The ultimate strength of steel in tension in comparison to shear is in the ratio of__________?
The permissible stress for carbon steel under static loading is generally taken as__________?
A hot short metal is__________?
Rankine’s theory of failure is applicable for following type of materials__________?
Tensile strength of a mild steel specimen can be roughly predicted from following hardness test__________?
In the case of an elastic bar fixed at upper end and loaded by a falling weight at lower end, the shock load produced can be decreased by__________?
If a load W is applied instantaneously on a bar; then the stress induced in bar will__________?
Stress concentration is caused due to__________?
Plastic flow in ductile materials__________?
The fatigue life of a part can be improved by__________?
Stress concentration in cyclic loading is more serious in__________?
Fatigue strength can be increased by__________?
Coaxing is the procedure of increasing__________?
The notch angle of the Izod impact test specimen is__________?
In testing a material for endurance strength, it is subjected to__________?
In Vicker’s hardness testing, the pyramid indentor apex is__________?
If a material fails below its yield point, failure would be due to__________?
Stress concentration in cyclic loading is__________?
Stress concentration in static loading is__________?
Which of the following is not correct procedure to increase the fatigue limit__________?
Endurance limit or fatigue limit is the maximum stress that a member can withstand for an infinite number of load applications without failure when subjected to__________?
Stress concentration in static loading is more serious in__________?
The maximum stress due to stress concentration in a bar having circular transverse hole, as compared to its static stress without hole will be__________?
The endurance limit of a material with finished surface in comparison to rough surface is__________?
Brittle coating technique is used for__________?
Other method of reducing shock load in the above case can be__________?
Resilience of a material is important, when it is subjected to__________?
If an unsupported uniform cross sectional elastic bar is subjected to a longitudinal impact from a rigid bob moving with velocity v, then a compressive wave of intensity sc is propagated through the bar as follows__________?
Guest’s theory of failure is applicable for following type of materials__________?
The property of a material which enables it to resist fracture due to high impact loads is known as__________?

Cold working________________?

A. increases the fatigue strength
B. decreases the fatigue strength
C. has no influence on fatigue strength
D. alone has no influence on fatigue strength
E. none of the above

Correct Answer: increases the fatigue strength ✔

Last Updated: January 26, 2019