Manufacturing Engineering Objective Questions with answers - Set 22 - ObjectiveBooks

Manufacturing Engineering Objective Questions with answers - Set 22

Practice Test: Question Set - 22

1. The different spindle speeds on a lathe form
    (A) Arithmetical progression
    (B) Geometrical progression
    (C) Harmonical progression
    (D) Any one of these

2. The lathe spindles are usually made hollow and provided with
    (A) Internal taper
    (B) External taper
    (C) Internal and external taper
    (D) No taper

3. For softer materials, the point angle of the drill is kept
    (A) Equal to 118°
    (B) Less than 118°
    (C) More than 118°
    (D) Any one of these

4. The method of centre less grinding used to produce taper is
    (A) In-feed grinding
    (B) Through feed grinding
    (C) End feed grinding
    (D) Any one of these

5. The angle on which the strength of the tool depends is
    (A) Rake angle
    (B) Cutting angle
    (C) Clearance angle
    (D) Lip angle

6. Thread grinding requires work speed from
    (A) 1 to 3 m/min
    (B) 5 to 10 m/min
    (C) 10 to 14 m/min
    (D) 14 to 20 m/min

7. The velocity of tool along the tool face is known as
    (A) Shear velocity
    (B) Chip velocity
    (C) Cutting velocity
    (D) Mean velocity

8. The surface finish is improved by the increase in
    (A) Cutting speed
    (B) Nose radius
    (C) True rake angle
    (D) All of these

9. In down milling, the thickness of chip is
    (A) Minimum at the beginning of the cut and maximum at the end of the cut
    (B) Maximum at the beginning of the cut and minimum at the end of the cut
    (C) Uniform throughout the cut
    (D) None of these

10. The chuck used for setting up of heavy and irregular shaped work should be
    (A) Four jaw independent chuck
    (B) Three jaw universal chuck
    (C) Magnetic chuck
    (D) Drill chuck

11. Ceramic tools are fixed to tool body by
    (A) Soldering
    (B) Brazing
    (C) Welding
    (D) Clamping

12. The helix angle of a drill is __________ for drilling brass.
    (A) Equal to 30°
    (B) Less than 30°
    (C) More than 30°
    (D) None of these

13. The type of reamer used for reaming soft aluminium or copper, is
    (A) Straight fluted reamer
    (B) Left hand spiral fluted reamer
    (C) Right hand spiral fluted reamer
    (D) Any one of these

14. In which of the following machine, the work remains stationary and the tool is rotated?
    (A) Vertical boring machine
    (B) Horizontal boring machine
    (C) Precision boring machine
    (D) Jig boring machine

15. A mandrel is used to hold
    (A) An eccentric work
    (B) A heavy work
    (C) A thin work
    (D) None of these

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