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GATE ME: Machine Design Champion Quiz 2
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Question 1
Which one of the following is the most conservative fatigue failure criterion?
Question 2
Fatigue failure is caused due to effect of:
Question 3
In a gib and cotter joint, the gib and cotter are subjected to
Question 4
Which among the following is a dynamic testing method?
Question 5
The S-N curve for steel becomes asymptotic nearly at
Question 6
A cylindrical shaft is subjected to an alternating stress of 100 MPa. Fatigue strength to sustain 1000 cycle is 490 MPa. If the corrected endurance strength is 70 MPa, estimated shaft life will be
Question 7
A spur gear transmitting power is connected to the shaft with a key of rectangular section. They type(s) of stresses develeoped in the key is fare.
Question 8
If the equivalent load in case of radial ball bearing is 500 N and the basic dynamic load rating is 62500 N, then 
life of this bearing is
life of this bearing is Question 9
If T1 and m represent the maximum tension and mass per unit length of a belt, the maximum permissible speed of the belt is given by
Question 10
In terms of theoretical stress concentration factor (Kt) and fatigue stress concentration factor (Kf), the notch sensitivity ‘q’ is expressed as
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Jun 8ESE & GATE ME
