IndiaBIX

Mechanical Engineering - Machine Design

Exercise : Machine Design - Section 3
41.
The contact ratio is the ratio of
length of path of contact to the circular pitch
length of arc of contact to the circular pitch
length of arc of approach to the circular pitch
length of arc of recess to the circular pitch
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
The bearing characteristic number is given by (where p = Bearing pressure on the projected bearing area, Z = Absolute viscosity of the lubricant, and N = Speed of the journal)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
The cracks in helical springs used in railway carriages usually start on the inner side of the coil because of the fact that
it is subjected to a higher stress than the outer side
it is subjected to a higher cyclic loading than the outer side
it is more stretched than the outer side during the manufacturing process
it has a lower curvature than the outer side
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
In a marine flange coupling, the thickness of flange is taken as
d/4
d/3
d/2
3 d/4
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
The wire ropes make contact at
bottom of groove of the pulley
sides of groove of the pulley
sides and bottom of groove of the pulley
anywhere in the groove of the pulley
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers