Design Engineer Question:
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Stress concentration is caused due to

A. variations in load acting on a member
B. variations in properties of materials in a member
C. abrupt change of cross-section
D. all of these


Option C

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When a bolt is subjected to shock loading, the resilience of the bolt should be considered in order to prevent breakage at the

A. head
B. shank
C. thread
D. middle
In leaf springs, the longest leaf is known as

A. lower leaf
B. master leaf
C. upper leaf
D. none of these