The type of teeth used on a gear used in sugar crushing is
A.Cycloidal
B.Semi-epicycloidal
C.Epicycloidal
D.Involute
E.Hyperboild
Category: Theory of Machines Mcqs
In case of belt drives, the effect of centrifugal tension is
A.To reduce the driving power
B.To increase the driving power
C.Not appreciable on driving power
D.Dependent on other factors
E.None of the above
The pitch circle of a cam is
A.The smallest circle drawn to the pitch curve
B.Thesmallest circle drawn to the cam profile from the centre of rotation of a radial cam
C.The circle fitting in the cam profile
D.The circle with centre as the centre of cam axis and radius such that it passes through the point
E.None of the above
In the elliptical trammel mechanism, the mid-point of the link connecting the two sliders traverses
A.an elliptical path
B.a parobolic path
C.a circular path
D.none of the above
In case of involute gears
A.Interference is inherently absent
B.A convex flank is always in contact with concave flank
C.Variation in centre distance of shafts increases radial force
D.Pressure angle is constant throughout the teeth engagement
E.None of the above
