# Which of the following is the unit of kinematic viscosity

1.  pascal

2.  poise

3.  stoke

4

stoke

Explanation :
No Explanation available for this question

# A circular bar moving in a round hole is an example of

1.  incompletely constrained motion

2.  partially constrained motion

3.  completely constrained motion

4.  successfully constrained motion

4

incompletely constrained motion

Explanation :
No Explanation available for this question

# If some links are connected such that motion between them can take place in more than one direction, it is called

1.  incompletely constrained motion

2.  partially constrained motion

3.  completely constrained motion

4.  successfully constrained motion

4

incompletely constrained motion

Explanation :
No Explanation available for this question

# If there are L number of links in a mechanism then number of possible inversions is equal to

1.  L + 1

2.  L - 1

3.  L

4.  L + 2

4

L

Explanation :
No Explanation available for this question

# Kinematic pairs are those which have two elements that

1.  have line contact

2.  have surface contact

3.  permit relative motion

4.  are held together

4

permit relative motion

Explanation :
No Explanation available for this question

# Free surface of a liquid tends to contract to the smallest possible area due to force of

1.    surface tension

2.  viscosity

3.  friction

4.  cohesion

4

surface tension

Explanation :
No Explanation available for this question

# The lower pair is a

1.  open pair

2.  closed pair

3.  sliding pair

4.  point contact pair

4

closed pair

Explanation :
No Explanation available for this question

# Automobile steering gear is an example of

1.  higher pair

2.  sliding pair

3.  turning pair

4.  lower pair

4

lower pair

Explanation :
No Explanation available for this question

# In higher pair, the relative motion is

1.  purely turning

2.  purely sliding

3.  purely rotary

4.  combination of sliding and turning

4

combination of sliding and turning

Explanation :
No Explanation available for this question

# Which of the following has sliding motion

1.  crank

2.  connecting rod

3.  crank pin