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MCQs

Total Questions : 2607 | Page 53 of 261 pages
Question 521. In the levers of first type, the mechanical advantage is ________ one.
  1.    Less than
  2.    Equal to
  3.    More than
  4.    None of these
 Discuss Question
Answer: Option C. -> More than
Question 522. Stress concentration is caused due to
  1.    Variation in properties of material from point to point in a member
  2.    Pitting at points or areas at which loads on a member are applied
  3.    Abrupt change of section
  4.    All of the above
 Discuss Question
Answer: Option D. -> All of the above
Question 523. According to Indian standards, a bolt thread of 6 mm size of coarse pitch and with allowance on the threads and normal tolerance grade is designated as
  1.    M6
  2.    M8
  3.    M6 - 8d
  4.    M8 - 6d
 Discuss Question
Answer: Option C. -> M6 - 8d
Question 524. A connecting rod is designed as a
  1.    Long column
  2.    Short column
  3.    Strut
  4.    All of these
 Discuss Question
Answer: Option C. -> Strut
Question 525. The sleeve or muff coupling is designed as a
  1.    Dun cylinder
  2.    Hollow shaft
  3.    Solid shaft
  4.    Thick cylinder
 Discuss Question
Answer: Option B. -> Hollow shaft
Question 526. When the fulcrum is in between the load and effort, the lever is said to be of
  1.    First type
  2.    Second type
  3.    Third type
  4.    Any one of these
 Discuss Question
Answer: Option A. -> First type
Question 527. In block brakes, the ratio of shoe width to wheel diameter is taken between
  1.    0.1 and 0.25
  2.    0.25 and 0.50
  3.    0.50 and 0.75
  4.    0.75 and 1
 Discuss Question
Answer: Option B. -> 0.25 and 0.50
Question 528. Auto frettage is the method of
  1.    Joining thick cylinders
  2.    Calculating stresses in thick cylinders
  3.    Pre-stressing thick cylinders
  4.    Increasing the life of thick cylinders
 Discuss Question
Answer: Option C. -> Pre-stressing thick cylinders
Question 529. A feather key is generally
  1.    Loose in shaft and tight in hub
  2.    Tight in shaft and loose in hub
  3.    Tight in both shaft and hub
  4.    Loose in both shaft and hub
 Discuss Question
Answer: Option B. -> Tight in shaft and loose in hub
Question 530. In leaf springs, the longest leaf is known as
  1.    Master leaf
  2.    Lower leaf
  3.    Upper leaf
  4.    None of these
 Discuss Question
Answer: Option A. -> Master leaf

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