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Mechanical Engineering - Machine Design

Exercise : Machine Design - Section 5
1.
Which of the following property is desirable in parts subjected to shock and impact loads?
Strength
Stiffness
Brittleness
Toughness
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
In block brakes, the ratio of shoe width to wheel diameter is taken between
0.1 and 0.25
0.25 and 0.50
0.50 and 0.75
0.75 and 1
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
Oldham coupling is used to transmit power between two parallel shafts which are slightly offset.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
A shaft is subjected to fluctuating loads for which the normal torque (T) and bending moment (M) are 1000 N-m and 500 N-m respectively. If the combined shock and fatigue factor for bending is 1.5 and combined shock and fatigue factor for torsion is 2, then the equivalent twisting moment for the shaft is
2000 N-m
2050 N-m
2100 N-m
2136 N-m
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
When a machine member is subjected to torsion, the torsional shear stress set up in the member is
zero at both the centroidal axis and outer surface of the member
maximum at both the centroidal axis and outer surface of the member
zero at the centroidal axis and maximum at the outer surface of the member
maximum at the centroidal axis and zero at the outer surface of the member
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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