Manufacturing Technologies MCQ - Set 12 - ObjectiveBooks
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Manufacturing Technologies MCQ - Set 12

Practice Test: Question Set - 12

1. Flank wear occurs mainly on the
    (A) Nose part, front relief face and side relief face of the cutting tool
    (B) Face of the cutting tool at a short distance from the cutting edge
    (C) Cutting edge only
    (D) Front face only

2. The specific cutting energy used for establishing the machinability of the metal depends upon its
    (A) Coefficient of friction
    (B) Micro-structure
    (C) Work hardening characteristics
    (D) All of these

3. Glazing in grinding wheels __________ cutting capacity.
    (A) Has no effect on
    (B) Increase
    (C) Decrease
    (D) None of these

4. The guide-ways are of
    (A) Flat type
    (B) V-type
    (C) Dovetail type
    (D) Any one of these

5. Tool signature consists of __________ elements.
    (A) Two
    (B) Four
    (C) Five
    (D) Seven

6. In _________ operation, the chip thickness is minimum at the beginning of the cut and it reaches to the maximum when the cut terminates.
    (A) Conventional milling
    (B) Climb milling
    (C) Face milling
    (D) End milling

7. Ultrasonic machining is best suited for
    (A) Tool steels
    (B) Sintered carbides
    (C) Glass
    (D) All of these

8. Crater wear is mainly due to the phenomenon known as
    (A) Adhesion of metals
    (B) Oxidation of metals
    (C) Diffusion of metals
    (D) All of these

9. The shear velocity is the velocity of
    (A) Tool relative to the workpiece
    (B) Chip relative to the tool
    (C) Tool along the tool face
    (D) None of these

10. The lead screw of a lathe has _________ threads.
    (A) Single start
    (B) Double start
    (C) Multi-start
    (D) Any one of these

11. The operation of producing grooves around the periphery of a cylindrical or conical workpiece is called
    (A) Profile milling
    (B) Gang milling
    (C) Saw milling
    (D) Helical milling

12. The process of removing metal by a cutter which is rotated against the direction of travel of workpiece, is called
    (A) Up milling
    (B) Down milling
    (C) Face milling
    (D) End milling

13. The angle between the lathe centres is
    (A) 30°
    (B) 45°
    (C) 60°
    (D) 90°

14. In order to grind soft material
    (A) Coarse grained grinding wheel is used
    (B) Fine grained grinding wheel is used
    (C) Medium grained grinding wheel is used
    (D) Any one of these

15. The cutting fluid mostly used for machining alloy steels is
    (A) Water
    (B) Soluble oil
    (C) Dry
    (D) Sulphurised mineral oil

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