A typewriter mechanism has 7 number of binary joints, six links and none of higher pairs. The mechanism is________________?

Related Mcqs:

1. 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
   E. trapezoid

2. A chain comprises of 5 links having 5 joints. Is it kinematic chain ?

   A. yes
   B. no
   C. it is a marginal case
   D. data are insufficient to determine it
   E. unpredictable

3. Relationship between the number of links (L) and number of pairs (P) is___________________?

   A. P = 2L-4
   B. P = 2L + 4
   C. P = 2L+2
   D. P = 2L-2
   E. P = L-4

4. 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
   E. L – 2

5. The number of links in pantograph mechanism is equal to______________?

   A. 2
   B. 3
   C. 4
   D. 5
   E. 6.

6. The number of links and instantaneous centers in a reciprocating engine mechanism are ___________________?

   A. 4, 4
   B. 4, 5
   C. 5, 4
   D. 6, 4
   E. 4, 6

7. Typewriter constitutes__________________?

   A. machine
   B. structure
   C. mechanism
   D. inversion
   E. none of the above

8. Higher pairs are those which have_________________?

   A. point or line contact between the two elements when in motion
   B. surface contact between the two ele-ments when in motion
   C. elements of pairs not held together mechanically
   D. two elements that permit relative motion
   E. none of the above

9. The velocity of any point in mechanism relative to any other point on the mechanism on velocity polygon is represented by the line________________?

   A. joining the corresponding points
   B. perpendicular to line as per A.
   C. not possible to determine with these data
   D. at 45° to line as per A.
   E. none of the above

10. If some links are connected such that motion between them can take place in more than one direction, it is called_______________?

    A. incompletely constrained motion
    B. partially constrained motion
    C. completely constrained motion
    D. successfully constrained motion
    E. none of the above