Gear drive is a ……………
Which of the following gear is having no axial thrust
Which type of gear is use when the two shafts having a little offset
For high speed reduction ratio which type of gear is generally used
Differential gear having how many degree of freedom
In case of an involve tooth gear, involute profile starts from
A gear having 200 teeth is fixed and another gear having 50 teeth revolves around it, centre lines of both gear being join by an arm. How many revolution will be made by the gear of 50 teeth for one revolution of arm?
When the shafts are neither parallel nor intersecting, power can be transmitted by using
Consider the following statement. A pinion of pressure angle and 48 involute teeth has a pitch circle diameter of 28.8 cm. It has
1. Module of 6 mm
2. Circular pitch of 18 mm
3. Addendum of 6 mm
4. Diametric pitch of 11/13
Which of following is correct?
The working surface above the pitch surface of gear teeth is termed as
Consider the following statement
(1) Small interference
(2) Strong tooth
(3) Low production cost
(4) Gear with small no. of teeth the characteristic
Which are applicable to stub 200 tooth
Most suitable follower motion for a high– speed engine is
The angle between the normal at the pitch curve at the point and the direction of follower motion.
Cam profile is tangent to ………. & pitch curve is tangent to ………..
Which of the following Cam is used in computer
In a cam drive, it is necessary to offset the axis of a follower to
In a plate cam mechanism with reciprocating roller follower, in which one of the following case the follower has the constant acceleration.
The degrees of freedom of a planar linkage with 8 links and 9 simple revolute joints is
The number of inversions for a slider crank mechanism is
In a Kinematic chain, a quaternary joint is equivalent to:
In a crank and slotted lever quick return motion mechanism, the distance between the fixed centres is 200 mm. The length of the driving crank and the slotted bar are 100 mm and 500 mm, respectively. The length of the cutting stroke is
A four-bar mechanism is as shown in the figure below. At the instant shown, AB is shorter than CD by 30 cm. AB is rotating at 5 rad/s and CD is rotating at 2 rad/s:
The length of AB is
A linkage is shown below in the figure, in which links ABC and DEF are ternary links whereas AF, BE and CD are binary links.
The degrees of freedom of the linkage when link ABC is fixed are
Consider the following statements regarding radial cam nomenclature:
1. Motion of the trace point describes movement of the follower
2. The curve generated by the locus of trace point is called cam profile
3. Actual working curve of cam is called pitch curve
4. Smallest circle that can be drawn tangential to cam profile is called base circle
Which of these statements are correct?
In the case of a circular arc cam with a flat-faced reciprocating follower, when the follower is in contact with nose of cam, the external spring force required for maintaining the contact between follower and cam is:
