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Mechanical Engineering - Machine Design

Exercise : Machine Design - Section 8
1.
Which of the following statement is wrong for a connecting rod ?
The connecting rod will be equally strong in buckling about X-axis and Y-axis, if Ixx = 4 Iyy
If Ixx > 4Iyy., the buckling will occur about Y-axis
If Ixx < 4Iyy., the buckling will occur about X-axis
The most suitable section for the connecting rod is T-section
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
Which of the following statement is correct ?
The cold rolled shafting is stronger than hot rolled shafting
The hot rolled shafting is stronger than cold rolled shafting
The cold rolled and hot rolled shafting are equally strong
The shafts are not made by rolling process
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
The most important dimension in the design of a nut is
pitch diameter
inside diameter
outside diameter
height
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
Factor of safety for fatigue loading is the ratio of
elastic limit to the working stress
elastic limit to the yield point
endurance limit to the working stress
Young's modulus to the ultimate tensile strength
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
The shafts of larger diameter are usually forged and turned to size in a lathe.
Yes
No
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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