Details and Assembled Drawing Clamping Devices Lathes Set 1


Which is not the basic feature of drill jig?
  
    (A) Base plate
    (B) Jig body
    (C) Drill Plate
    (D) Screw sack

Screw sack

How many types of a drill bush?
  
    (A) 3
    (B) 2
    (C) 1
    (D) 4

3

Which of the following materials is used to make a bench vice body?
  
    (A) Cast Iron
    (B) High speed Steel
    (C) High Carbon Steel
    (D) Cast on Steel

Cast Iron

Why is vice clamp used?
  

    (A) To prevent surface finish
    (B) To hold the job strongly
    (C) To prevent a hard job
    (D) To prevent movable job against file

To hold the job strongly

Which type of thread is cut on the spindle of bench vice?
  
    (A) Buttress thread
    (B) V' thread
    (C) Square thread
    (D) Acme thread

Square thread