Lakshya Education MCQs

Question: The function of cutting oil when threading a pipe is to
Options:
A.Provide cooling action
B.Lubricate the dies
C.Help removes chips
D.All of the above
Answer: Option D

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More Questions on This Topic :

Question 1. The dedendum is the radial distance from the
  1.    Pitch circle to the top of a tooth
  2.    Pitch circle to the bottom of a tooth
  3.    Top of a tooth to the bottom of a tooth
  4.    Addendum circle to the clearance circle
Answer: Option B
Question 2. If threads on a bolt are left hand, threads on nut will be
  1.    Right hand with same pitch
  2.    Left hand with same pitch
  3.    Could be left or right hand
  4.    Right hand with fine pitch
Answer: Option B
Question 3. If a load W is applied instantaneously on a bar; Then the stress induced in bar will
  1.    Be independent of ratio of mass of load W to mass of bar (y)
  2.    Increase with increase in y
  3.    Decrease with decrease in y
  4.    Depend on other considerations
Answer: Option A
Question 4. When a bolt and nut is made of mild steel, then the effective height of nut is made equal to (where d = Nominal diameter of bolt)
  1.    0.5 d
  2.    0.75 d
  3.    d
  4.    1.25 d
Answer: Option C
Question 5. I.S. specifies following total number of grades of tolerances
  1.    18
  2.    16
  3.    20
  4.    22
Answer: Option A
Question 6. According to I.B.R., when the thickness of boiler shell (t) is greater than 8 mm, then the diameter of rivet hole (d) is obtained by
  1.    Equating tearing resistance of the plate to the shearing resistance of the rivets
  2.    Equating tearing resistance of the plate to the crushing resistance of the rivets
  3.    Equating shearing resistance to the crushing resistance of the rivets
  4.    None of the above
Answer: Option B

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