IndiaBIX

Mechanical Engineering - Machine Design

Exercise : Machine Design - Section 6
36.
A screw is said to be over hauling screw, if the
friction angle is less than helix angle
friction angle is more than helix angle
friction angle is equal to helix angle
efficiency of screw is 100%
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
Shaft coupling is used in machinery to
introduce mechanical flexibility
introduce protection against over loads
reduce the transmission of shock loads
all of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
Oldham coupling is used to connect two shafts
which are perfectly aligned
which are not in exact alignment
which have lateral misalignment
whose axes intersect at a small angle
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
The ends of the leaves of a semi-elliptical leaf spring are made triangular in order to
obtain variable moment of inertia (I) in each leaf
permit each leaf to act as a overhanging beam
have variable bending moment (M) in each leaf
make M/I constant throughout the length of the leaf
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
The face of the tooth is the
surface of the top of the tooth
surface of the tooth above the pitch surface
surface of the tooth below the pitch surface
width of the tooth measured along the pitch circle
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers