Machine Design Manufacturing Considerations in Design Questions - Set 02 - ObjectiveBooks
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Machine Design Manufacturing Considerations in Design Questions - Set 02

Practice Test: Question Set - 02


1. The tolerance of grade 16 is obtained by
    (A) Die casting
    (B) Turning on capstan and turret lathes
    (C) Grinding
    (D) Sand casting

2. In forged 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

3. The temperature at which new stress-free grains are formed in the metal is called
    (A) Upper critical temperature
    (B) Melting point
    (C) Recrystallization temperature
    (D) Eutectic temperature

4. In shaft-basis system, the basis shaft is one
    (A) Whose upper deviation is zero
    (B) Whose upper and lower deviations are zero
    (C) Whose lower deviation is zero
    (D) None of the above

5. Cold working
    (A) Increases toughness and ductility
    (B) Reduces residual stresses
    (C) Increases hardness and strength
    (D) Produces favorable pattern of fiber lines

6. In hole-basis system, the basis hole is one
    (A) Whose upper deviation is zero
    (B) Whose upper and lower deviations are zero
    (C) Whose lower deviation is zero
    (D) None of the above

7. In cast components,
    (A) Fiber lines are arranged in a predetermined way
    (B) Fiber lines of rolled stock are broken
    (C) There are no fiber lines and grains are scattered
    (D) Grains are arranged in a predetermined way

8. Cold working of metals is carried out
    (A) Above the recrystallization temperature
    (B) Below the recrystallization temperature
    (C) At the recrystallization temperature
    (D) At lower temperature

9. According to Indian standard, 50 H8-g7 means
    (A) Tolerance grade for hole is 8 and for shaft is 7
    (B) Tolerance grade for shaft is 8 and for hole is 7
    (C) Designation of fit on shaft-basis system
    (D) None of above

10. In interference 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

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