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Mechanical Engineering - Machine Design

Exercise : Machine Design - Section 7
1.
When a circular beam of diameter d is subjected to a shear force F, the maximum shear stress induced will be
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
In a belt drive, if the pulley diameter is doubled keeping the tension and belt width constant, then it will be necessary to
increase the key length
increase the key depth
increase the key width
decrease the key length
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
Which of the following statement is wrong ?
The solid length of a spring is the product of total number of coils and the diameter of the wire
The spring index is the ratio of mean diameter of the coil to the diameter of the wire
The spring stiffness is the load required per unit deflection of the spring
The pitch of the coil is the axial distance between adjacent coils in the compressed state
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
The draw of cotter should not be more than
3 mm
6 mm
8 mm
12 mm
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
The bolts of smaller diameter than M16 are not permitted in making fluid tight joints.
Correct
Incorrect
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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