Manufacturing Engineering MCQ - Set 13 - ObjectiveBooks

Manufacturing Engineering MCQ - Set 13

Practice Test: Question Set - 13

1. The angle formed by the leading edge of the land with a plane having the axis of the drill, is called
    (A) Helix or rake angle
    (B) Point angle
    (C) Chisel edge angle
    (D) Lip clearance angle

2. The broaching operation in which the work moves past the stationary tool is called
    (A) Pull broaching
    (B) Push broaching
    (C) Surface broaching
    (D) Continuous broaching

3. In lapping operation, the amount of metal removed is
    (A) 0.005 to 0.01 mm
    (B) 0.01 to 0.1 mm
    (C) 0.05 to 0.1 mm
    (D) 0.5 to 1 mm

4. In the relation VTn = C, the value of n for ceramic tools is
    (A) 0.1 to 0.2
    (B) 0.20 to 0.25
    (C) 0.25 to 0.40
    (D) 0.40 to 0.55

5. In American Standard Association (ASA) system, if the tool nomenclature is 8-6-5-5-10-15-2 mm, then the side rake angle will be
    (A) 5°
    (B) 6°
    (C) 8°
    (D) 10°

6. In metal machining, the zone where the maximum heat is generated due to the plastic deformation of metal, is called
    (A) Friction zone
    (B) Work-tool contact zone
    (C) Shear zone
    (D) None of these

7. The cutting speed for drilling aluminium, brass and bronze with carbon steel drills is _________ cutting speed for drilling mild steel with high speed steel drills.
    (A) Equal to
    (B) Less than
    (C) More than
    (D) None of these

8. The height of each tooth of a broach is
    (A) Same throughout
    (B) In progressively decreasing order
    (C) In progressively increasing order
    (D) None of these

9. In machining metals, chips break due to __________ of work material.
    (A) Toughness
    (B) Ductility
    (C) Elasticity
    (D) Work hardening

10. Which of the following operations is carried out at a minimum cutting velocity if the machines are equally rigid and the tool work materials are the same?
    (A) Turning
    (B) Grinding
    (C) Boring
    (D) Milling

11. For fast removal of materials during grinding, a _________ grinding wheel is used.
    (A) Course grained
    (B) Fine grained
    (C) Medium grained
    (D) None of these

12. Chip breakers are used to
    (A) Increase tool life
    (B) Remove chips from bed
    (C) Break the chips into short segments
    (D) To minimize heat generation

13. For turning small taper on long workpiece, the suitable method is
    (A) By a form tool
    (B) By setting over the tail stock
    (C) By a taper turning attachment
    (D) By swiveling the compound rest

14. The type of reamer used for reaming operation in a blind hole, is
    (A) Straight fluted reamer
    (B) Left hand spiral fluted reamer
    (C) Right hand spiral fluted reamer
    (D) Any one of these

15. The method of grinding used to produce a straight or tapered surface on a workpiece, is
    (A) Internal cylindrical grinding
    (B) Form grinding
    (C) External cylindrical grinding
    (D) Surface grinding

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