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Home ‣ Mechanical Engineering ‣ Machine Design Comments
  • Question

  • When bevel gears connect two shafts whose axes intersect at an angle greater than a right angle and one of the bevel gears has a pitch angle of 90°, then they are known as


  • Options
  • A. angular bevel gears
  • B. crown bevel gears
  • C. internal bevel gears
  • D. mitre gears

  • Correct Answer
  • crown bevel gears 

    • Machine Design problems

    Search Results

    • 1. For maximum power, the velocity of the belt will be

    • Options
    • A.
    • B.
    • C.
    • D. none of these
      • Discuss
    • 2. The number of rivets in shear shall be equal to the number of rivets in crushing.

    • Options
    • A. Correct
    • B. Incorrect
      • Discuss
    • 3. A locking device in which the bottom cylindrical portion is recessed to receive the tip of the locking set screw, is called

    • Options
    • A. castle nut
    • B. jam nut
    • C. ring nut
    • D. sawn nut
      • Discuss
    • 4. In a flange coupling, the thickness of flanges is taken as one-half the diameter of shaft.

    • Options
    • A. Agree
    • B. Disagree
      • Discuss
    • 5. According to Indian standard specifications, 100 H6/g5 means that the

    • Options
    • A. actual size is 100 mm
    • B. basic size is 100 mm
    • C. difference between the actual size and basic size is 100 mm
    • D. none of the above
      • Discuss
    • 6. A sliding bearing in which the working surfaces are completely separated from each other by lubricant is called zero film bearing.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. The number of slots in a 25 mm castle nut is

    • Options
    • A. 2
    • B. 4
    • C. 6
    • D. 8
      • Discuss
    • 8. Crystal structure of a material is, generally, examined by

    • Options
    • A. naked eye
    • B. optical microscope
    • C. metallurgical microscope
    • D. X-ray techniques
      • Discuss
    • 9. The coke in the charge of blast furnace

    • Options
    • A. controls the grade of pig iron
    • B. acts as an iron-bearing mineral
    • C. supplies heat to reduce ore and melt the iron
    • D. forms a slag by combining with impurities
      • Discuss
    • 10. The quenching of steel from the upper critical point results in a fine grained structure.

    • Options
    • A. Agree
    • B. Disagree
      • Discuss

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