A.Only one pair turning and three paris sliding
B.Only two pairs turning and low pairs sliding
C.Only three pairs turning and one pair sliding
D.All four pairs turning
E.All four pairs sliding
A.to lower the bow and raise the stern
B.to raise the bow and lower then stern
C.to roll the ship slightly clockwise when viewed fro bow end
D.None of the above
A.The angle between the line of action and the common tangent to the pitch surface in the plane of rotation
B.The angle between the normal to the point of contact and the shaft axis
C.The angle between the normal to dedendum at the path point and tangent to the dedendum at the path point and tangent to the dedendum at the same point
D.The angle of obliquity between the tangent drawn at the point of contact of the two mating gears
E.None of the above
A.Unbalanced parts of the primary forces acting at a distance between the line of stroke of the cylinders
B.Unbalanced part of the secondary forces acting at a distance between the line of stroke of the cylinders
C.Vertical unbalanced primary forces acting in the plane of the wheels
D.Vertical unbalanced primary forces acting in the plane of the wheels
E.Horizontal unbalanced primary forces acting in the plane of the wheel
A.1 Metric tonne
B.1 British ton
C.1 US short ton
D.1 US long ton
A.Hammer blow
B.Lifting of locomotive
C.Periodical vibrations
D.Variation of tractive effect
E.Oscillation in vertical planes
A.Harting governor
B.Pickering governor
C.Hartnell governor
D.Wilson hartnell governor
E.All of the above
A.two links
B.three links
C.only four links
D.four or more than four links
A.The frequency at which vibrations of a system are damped
B.The frequency when a system exceeds the vibrations frequency from the critical value
C.The frequency below which vibrations do not cause appreciable damage to equipment
D.Said to occur when two vibrations of almost equal frequency are present
E.One at which the vibrations of a system act exactly opposite to the other thereby causing damping
A.The resistance to angular acceleration
B.The mass of every element of a body multiplied by its distance from the axis
C.Any of the above
D.None of the above
