Related Questions

A pantograph is a mechanism with
A Lower pairs
B Higher pairs
C Rolling pairs
D Turning pairs
If the number of links in a mechanism is equal to $$l$$, then the numbers of possible inversions are equal to
A $$l$$ - 2
B $$l$$ - 1
C $$l$$
D $$l$$ + 1
In a pantograph, all the pairs are
A turning pairs
B sliding pairs
C spherical pairs
D self-closed pairs
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
A mechanism consisting of four links is called a __________ mechanism.
A Simple
B Compound
C Binary
D None of these
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
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
In its simplest form, a cam mechanism consists of following number of links
A 1
B 2
C 3
D 4
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 total number of instantaneous centers for a mechanism consisting of n links are
A $$\frac{{\text{n}}}{2}$$
B n
C n - 1
D $$\frac{{{\text{n}}\left( {{\text{n}} - 1} \right)}}{2}$$

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