Manufacturing Considerations in Design MCQ - Set 01 - ObjectiveBooks
Manufacturing Considerations in Design MCQ - Set 01

Manufacturing Considerations in Design MCQ - Set 01

Practice Test: Question Set - 01

1. Hot working of metals is carried out
    (A) Above the recrystallization temperature
    (B) Below the recrystallization temperature
    (C) At the recrystallization temperature
    (D) At higher temperature
2. In transition fit,
    (A) Tolerance zones of hole and shaft overlap
    (B) Tolerance zone of hole is completely below that of shaft
    (C) Tolerance zone of hole is entirely above that of shaft
    (D) None of the above
3. The tolerance of grade 8 is obtained by
    (A) Die casting
    (B) Turning on capstan and turret lathes
    (C) Grinding
    (D) Sand casting
4. Cylinder blocks of internal combustion engine are made by
    (A) Forging
    (B) Extrusion
    (C) Casting
    (D) Drilling and broaching
5. Draft angle is provided for forged parts
    (A) To arrange fiber lines in a favorable way
    (B) To avoid unbalanced forced
    (C) For easy removal from die cavities
    (D) To reduce stress concentration
6. In unilateral system for tolerances,
    (A) Tolerances are given on both positive and negative sides of basic size
    (B) One tolerance is zero and other tolerance is given on any one side of basic size
    (C) One tolerance is zero and other tolerance is given only on higher side of basic size
    (D) One tolerance is zero and other tolerance is given only on lower side of basic size
7. Valve bodies of internal combustion engine are made by
    (A) Forging
    (B) Rolling
    (C) Casting
    (D) Turning from bar stock
8. In bilateral system for tolerances,
    (A) Tolerances are given on both positive and negative sides of basic size
    (B) One tolerance is zero and other tolerance is given on any one side of basic size
    (C) One tolerance is zero and other tolerance is given only on higher side of basic size
    (D) One tolerance is zero and other tolerance is given only on lower side of basic size
9. According to Indian standard, total numbers of tolerance grades are
    (A) 10
    (B) 20
    (C) 18
    (D) 8
10. The tolerance of grade 6 is obtained by
    (A) Die casting
    (B) Turning on capstan and turret lathes
    (C) Grinding
    (D) Sand casting
11. In machined components,
    (A) Fiber lines are arranged in a predetermined way
    (B) Fiber lines of rolled stock are broken
    (C) There are no fiber lines
    (D) Fiber lines are scattered
12. According to Indian standard, 50 H8-g7 means
    (A) Upper limit is (50 + 8) mm and lower limit (50 - 7) mm
    (B) Designation of tolerance with basic size 50 mm
    (C) Designation of fit of two parts with basic size 50 mm
    (D) None of above
13. Hot working
    (A) Increases toughness and ductility
    (B) Increases surface finish
    (C) Increases hardness and strength
    (D) Produces accurate dimensions for the parts
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