A key made from a cylindrical disc having segmental cross-section, is known as______________?

A. Wood-ruff key
B. Feather key
C. Flat saddle key
D. Gib head key

In order to obtain bolt of uniform strength____________________?

A. Increase shank diameter
B. Increase its length
C. Drill an axial hole through head up to threaded portion so that shank area is equal to root area of thread
D. Tighten die bolt properly

The pitch of threads on a Jock nut in comparison to pitch of nut is_________________?

A. Same
B. Coarser
C. Finer
D. Very coarse

Transverse fillet welded joints are designed for________________?

A. Tensile strength
B. Compressive strength
C. Shear strength
D. Bending strength

In order to avoid tearing of the plate at edge, the distance from the center line of the rivet hole to the nearest edge of the plate in terms of dia of rivet d should be equal to__________________?

A. D
B. 1.25 d
C. 1.5 d
D. 1.75 d

The edges of a boiler plate are bevelled to an angle of______________?

A. 30°
B. 45°
C. 60°
D. 80°

Machine screws are________________?

A. Similar to small size tap bolts except that a greater variety of shapes of heads are available
B. Slotted for a screw driver and generally used with a nut
C. Used to prevent relative motion be-tween two parts
D. Similar to stud

A self locking screw has________________>

A. Fine threads
B. Coarse threads
C. Coefficient of friction > tangent of load angle
D. Hole for inserting split pin

Dakar Rally 2019 held in which Country?

A. Peru
B. Canada
C. Austria
D. None of the above

Pakistan Navy is hosting the_____________series of Multinational Maritime Exercise AMAN-19 in February 2019 at Karachi?

A. 5th
B. 6th
C. 7th
D. 8th