Category: Theory of Machines Mcqs

A.Indicates vibration amplitude
B.Indicates vibration frequency
C.Indicates nature of vibrations
D.Only indicates second and above harmonics
E.Indicates wave from vibrations

A.A very sensitive governor may not be very stable
B.Hunting in a governor may occur due to worn out guides of the sleeve
C.Isochronism in govrnors is desirable when approximately one constant speeds is desired to be kept for all loads
D.A sensitive governor cannot be isochronous
E.A stable governor has a fixed position of balls for each speed within the working range

A.Lower pair
B.Higher pair
C.Turning pair
D.Clindrical pair
E.Turning pair

A.structure
B.mechanism
C.machine
D.None of the above

A.Straight line path
B.Circular path
C.Parabolic path
D.Hoperbolic path
E.Elliptical path

A.The length of the pitch circule diameter per tooth
B.The number of teeth per unit length on pitch circle diameter
C.The pistance measured along the pitch circle from a point on one tooth to a corresponding point on the adjacent point
D.Any of the above
E.None of the above

A.Bevel gears
B.Simple gear train
C.Helical gears
D.Differential system
E.Worm and worm wheel

A.the smallest circle tangent to the pitch curve
B.the smallest circle tangent to the cam profile
C.a circle drawn with radius equal to the distance between the pitch point and the centre of base circle
D.None of the above

A.In the involute system, the pressure angle is constant, from commencement to end of engagement
B.The straight teeth of the basic rank for the involute profile admits of simple tools
C.The profile for the flank and face is a single curve in the involute system
D.The vriation in the centre distance with in limits does not affect the two mating gears in the involute system
E.The interference is inherently absent in this system

A.Spur gear
B.Helical gear
C.Bevel gear
D.Hypoid gear
E.Worm and worm wheel