# The main disadvantage of the sliding pair is that it is

1.  bulky

2.  wears rapidly

3.  difficult to manufacture

4.  Both a & b

4

Both a & b

Explanation :
No Explanation available for this question

# For a kinematic chain to be considered as mechanism

1.  two links should be fixed

2.  one link should be fixed

3.  none of the links should be fixed

4.  there is no such criterion

4

Explanation :
No Explanation available for this question

# An eccentric sheave pivoted at one point rotates and transmits oscillatory motion to a link whose one end is pivoted and other end is connected to it. This mechanism has

4

Explanation :
No Explanation available for this question

# Whitworth quick return mechanism is obtained by inversion of

1.  slider crank mechanism

2.  kinematic chain

4.  roller cam mechanism

4

slider crank mechanism

Explanation :
No Explanation available for this question

# In its simplest form, a cam mechanism consists of following number of links

1.  1

2.  2

3.  3

4.  4

4

3

Explanation :
No Explanation available for this question

# Which of the following mechanisms produces mathematically an exact straight line motion

1.  Grasshopper mechanism

2.  Watt mechanism

3.  Peaucellier's mechanism

4.  Tchabichiff mechanism

4

Peaucellier's mechanism

Explanation :
No Explanation available for this question

# In a mechanism, usually one link is fixed. If the fixed link is changed in a kinematic chain, then relative motion of other links

1.  will remain same

2.  will change

3.  could change or remain unaltered depending on which link is fixed

4.  will not occur

4

will remain same

Explanation :
No Explanation available for this question

# A kinematic chain requires at least

1.  2 links and 3 turning pairs

2.  3 links and 4 turning pairs

3.  4 links and 4 turning pairs

4.  5 links and 4 turning pairs

4

4 links and 4 turning pairs

Explanation :
No Explanation available for this question

# In a drag link quick return mechanism, the shortest link is always fixed. The sum of the shortest and longest link is

1.  equal to sum of other two

2.  greater than sum of other two

3.  less than sum of other two

4.  there is no such relationship

4

less than sum of other two

Explanation :
No Explanation available for this question

# The following is the inversion of slider crank chain mechanism

1.  Whit worth quick return mechanism

2.  hand pump

3.  oscillating cylinder engine

4.  all of the above

4