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