# Resistance to fatigue of a material is measured by

1.  Young's modulus

2.  coefficient of elasticity

3.  elastic limit

4.  endurance limit

4

endurance limit

Explanation :
No Explanation available for this question

# In most machine members, the damping capacity of the material should be

1.  low

2.  zero

3.  high

4.  could be anything

4

high

Explanation :
No Explanation available for this question

# The ratio of endurance limit in shear to the endurance limit in flexure is

1.  0.33

2.  0.4

3.  0.5

4.  0.55

4

0.55

Explanation :
No Explanation available for this question

# For steel, the ultimate strength in shear as compared to ultimate strength in tension is

1.  same

2.  1/2

3.  1/3

4.  2/3

4

2/3

Explanation :
No Explanation available for this question

# The endurance limit in shear of carbon steel can be obtained by multiplying the endurance limit in flexure by a factor of

1.  0.25

2.  0.45

3.  0.55

4.  0.75

4

0.75

Explanation :
No Explanation available for this question

# A bolt

1.  has a head on one end and a nut fitted to the other

2.  has head at one end and other end fits into a tapped hole in the other part to be joined

3.  has both the ends threaded

4.  is provided with pointed threads

4

has a head on one end and a nut fitted to the other

Explanation :
No Explanation available for this question

# The crest diameter of a screw thread is same as

1.  major diameter

2.  minor diameter

3.  pitch diameter

4.  core diameter

4

major diameter

Explanation :
No Explanation available for this question

# If d is the diameter of bolt hole then for a flanged pipe joint to be leak proof, the circumferential pitch of the bolts should be

1.  10VZ

2.  10VZ to 15Vd

3.  15Vd to 20VZ

4.  20Vd to 30Vd

4

20Vd to 30Vd

Explanation :
No Explanation available for this question

# Maximum principal stress theory is applicable for

1.  ductile materials

2.  brittle materials

3.  elastic materials

4.  all of the above

4

brittle materials

Explanation :
No Explanation available for this question

# The following type of nut is used with alien bolt

1.  alien nut

2.  hexagonal nut

3.  slotted nut

4.  any one of the above

4