The rectilinear motion of a piston is converted into rotary motion by
A.Piston rod
B.Crank
C.Piston pin
D.Connecting rod
E.Cross-head
A.Piston rod
B.Crank
C.Piston pin
D.Connecting rod
E.Cross-head
A.Whenever the forms of the mating teeth are such that contact between them can occur at some place other than along the correct path of contact
B.When gears do not move smoothly in absence of lubrication
C.When the pitch of the gears is not same
D.When the gear teeth are under cut
E.None of the above
A.sliding pair
B.Rolling pair
C.screw pair
D.Turning pair
A.Any point on pitch curve
B.The point on cam pitch circle having the maximum pressure angle
C.Any point on pitch curve
D.A point at a distance equal to pitch circle radius from the centre
E.None of the above
A.Weaker teeth
B.Non-uniform motion transmission
C.Bigger size of gear teeth
D.Wider base and stronger teeth
E.Narrow base and weaker teeth
A.working depth
B.dedendum
C.addendum
D.None of the above
A.Highly rough surfaces
B.Rough surfaces
C.Smooth surfaces
D.Polished surfaces
E.Tan ? can never be greater than
A.Lie in different planes
B.Lie in a plane perpendicular to the plane of motion
C.Lie in the same plane as the plane of motion
D.Lie on a straight line
E.None of the above
A.Turning pair
B.Rolling pair
C.Spherical pair
D.Sliding pair
E.Helical pair
A.unbalanced primary forces
B.unbalanced secondary forces
C.partial balancing
D.None of the above