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The ratio between the difference in diameters of taper and its length is known as :

(A) Concentricity (B) Conicity
(0) Convexity (D) லைட்‌

Buttress threads are most commonly used for :
(4) Transmission of motion
(B) Special bolts and units in structural work
(C) Positioning of mechanical parts
(D)) Resisting force exerted in one direction only

A split pin is used for locking purpose in :
(^) Castle nut (1) Square nut
(ര Check nut (D) Flanged nut

While threading on lathe, the carriage is moved by means of :
(ಯ) Feed rod (B) Hand wheel
(0 Lead screw (D) Gear train on a rack

Which one of the 10108172 belt fasteners is used for heavy duty machines?
(ക ‏دو ہس۷۷‎ (8 Lagrelle type
(C) Jackson type (10) Alligator लिफ्ट

The file card is used :
(A) toclean the file teeth (B) 10 8೪080 110 slip
(9 toclean the job (D) torenew the teeth of files

Draw filing is done :

(A) to remove a file mark : (B) belore using a smooth ‏ملظ‎
‎)0 « for better finishing () to file high spots `
The bench vice spindle has :
(ക V-Threads (18) Acme threads
(C) Square threads (D) Knuckle threads

What is the pitch of the screw of the spindle of the external micrometer?
ക്ര 0.01 mm (B) 0.1 mm
(0 0.5 ‏سد‎ (D) 0.05 mm

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