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Which joint is a single lock is slipped into the double lock?
(A) Lap seam ൯) Dove tail seam
(C) Butt seam ) +0

How can we calculate the hemming allowance?
(A) 6 to8 times of thickness (B) 10 to 12 times of thickness
(0) 8 to 10 times of thickness (D) 3to4 times the thickness

Which dovetail seam is used for joining collar to flange without solder or rivets?
(A) Plain dove tail seam (B) Beaded dove tail seam
(C) Flange dovetail seam (D) None of these

Named the operation of punching circular holes in a regular pattern or evenly spaced?
(ಯ. Piercing (B) Perforating
(C) Blanking (D) Shearing

Which development method is used make an oval to circle transformer piece?
(^) Parallel line method (B) Radial line method
(C) Triangulation method (D) Geometrical method

Which is the operation of forming impressions of figures, letters or designs on sheet metal?

(A) Cupping (B) Drawing
(0) Coining (D) Embossing

Which is the operation of cutting a sheet metal through part of its length and then bending
the cut portion?

(A) Lancing (B) Slitting
(C) Notching (D) Forming

Which is the operation of producing cup shaped articles from flat sheet metal blanks?
(A) Drawing ൯) Coining
(C) Slitting (D) Pluging

Which development method is used to develop articles or components which belong to the
class of prisms which have a constant cross section throughout their length?

(^) Parallel line method (B) Radial line method
(C) Triangulation method (D) Geometrical method

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