Lakshya Education MCQs

Question: According to I.B.R., the efficiency of a double riveted butt joint with double cover straps of equal width should be
A.45 to 60%
B.63 to 70%
C.70 to 83%
D.80 to 90%
Answer: Option C

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More Questions on This Topic :

Question 1. In a marine flange coupling, the thickness of flange is taken as
  1.    d/2
  2.    d/3
  3.    3d/4
  4.    d/4
Answer: Option B
Question 2. Which of the following coupling is used to connect two shafts which have both lateral and angular misalignment?
  1.    Bushed pin type coupling
  2.    Universal coupling
  3.    Oldham coupling
  4.    All of these
Answer: Option D
Question 3. For applications involving high stresses in one direction only the following type of thread would be best suited
  1.    ISO metric thread
  2.    Acme thread
  3.    Square thread
  4.    Buttress thread
Answer: Option D
Question 4. An imaginary circle which by pure rolling action gives the same motion as the actual gear, is called
  1.    Addendum circle
  2.    Dedendum circle
  3.    Pitch circle
  4.    Clearance circle
Answer: Option C
Question 5. In a belt drive, if the pulley diameter is doubled keeping the tension and belt width constant, then it will be necessary to
  1.    Increase the key length
  2.    Increase the key depth
  3.    Increase the key width
  4.    Decrease the key length
Answer: Option A
Question 6. When the bolt is very yielding as compared to the connected members, then the resultant load on the bolt will be equal to the
  1.    Initial tension
  2.    External load applied
  3.    Sum of the initial tension and external load applied
  4.    Initial tension or external load, whichever is greater
Answer: Option D

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