Related Questions

The difference between CAD and CAM is that CAD software is directed at product design while CAM software is:
A concerned with production and control of tool design
B concerned with management programs
C designed for communications
D specifically for PC-board design
E None of the above
The velocity of the reciprocating roller follower when it has contact with the straight flanks of the tangent cam, is given by (where $$\omega $$ = Angular velocity of the cam shaft)
A $$\omega \left( {{{\text{r}}_1}{{\text{r}}_2}} \right)\sin \theta $$
B $$\omega \left( {{{\text{r}}_1} + {{\text{r}}_2}} \right)\sin \theta \sec 2\theta $$
C $$\omega \left( {{{\text{r}}_1}{{\text{r}}_2}} \right)\cos \theta $$
D $$\omega \left( {{{\text{r}}_1} + {{\text{r}}_2}} \right)\cos \theta \,{\text{cosec2}}\theta $$
The period during which the cam follower remains at rest, when cam moves, is known as
A Constant period
B Fixed period
C Dwell period
D Idle period
A mechanism consisting of four links is called a __________ mechanism.
A Simple
B Compound
C Binary
D None of these
If the opposite links of a four bar linkage are equal, the links will always form a
A Triangle
B Rectangle
C Parallelogram
D Pentagon
The Grubler's criterion for determining the degrees of freedom (n) of a mechanism having plane motion is (where $$l$$ = Number of links and j = Number of binary joints)
A n = ($$l$$ - 1) - j
B n = 2($$l$$ - 1) - 2j
C n = 3($$l$$ - 1) - 2j
D n = 4($$l$$ - 1) - 3j
If there are L number of links in a mechanism, then number of possible inversions is equal to
A L + 1
B L - 1
C L
D L + 2
A cam mechanism imparts following motion
A Rotating
B Oscillating
C Reciprocating
D All of the above
The number of links and instantaneous centers in a reciprocating engine mechanism are
A 4,4
B 4,5
C 5,4
D 4,6
The number of links in pantograph mechanism is equal to
A 2
B 3
C 4
D 5

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