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MCQs

Total Questions : 2607 | Page 11 of 261 pages
Question 101. 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
 Discuss Question
Answer: Option D. -> All of these
Question 102. 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
 Discuss Question
Answer: Option D. -> Buttress thread
Question 103. If an application calls for stresses on screw threads in one direction only, then the following type of thread would be best suited
  1.    Square
  2.    Acme
  3.    Buttress
  4.    BSW
 Discuss Question
Answer: Option C. -> Buttress
Question 104. Fabric belts are used in industrial applications because
  1.    They are cheap
  2.    They can work at high temperature
  3.    They are unaffected by moisture and humidity
  4.    None of the above
 Discuss Question
Answer: Option A. -> They are cheap
Question 105. A coupling used to connect two perfectly aligned shafts, is
  1.    Muff coupling
  2.    Compression coupling
  3.    Flange coupling
  4.    All of these
 Discuss Question
Answer: Option D. -> All of these
Question 106. Rankine Gordon formula for buckling is valid for
  1.    Long column
  2.    Short column
  3.    Short and long column
  4.    Very long column
 Discuss Question
Answer: Option C. -> Short and long column
Question 107. The lead angle of a worm is 22.5°. Its helix angle will be
  1.    22.5°
  2.    45°
  3.    67.5°
  4.    90°
 Discuss Question
Answer: Option C. -> 67.5°
Question 108. The belt slip occurs due to
  1.    Heavy load
  2.    Loose belt
  3.    Driving pulley too small
  4.    Any one of the above
 Discuss Question
Answer: Option D. -> Any one of the above
Question 109. The cross-section of the arm of a bell crank lever is
  1.    Rectangular
  2.    Elliptical
  3.    I-section
  4.    Any one of these
 Discuss Question
Answer: Option D. -> Any one of these
Question 110. Aircraft body is usually fabricated by
  1.    Welding
  2.    Pre-casting
  3.    Riveting
  4.    Casting
 Discuss Question
Answer: Option C. -> Riveting

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