For applications involving high stresses in one direction only the following type of thread would be best suited______________________?

A. Iso metric thread
B. Acme thread
C. Square thread
D. Buttress thread

Shear stress theory is applicable for____________________?

A. Ductile fnaterials
B. Brittle materials
C. Elastic materials
D. All of the above

The following type of nut is used with alien bolt____________________?

A. alien nut
B. hexagonal nut
C. slotted nut
D. castle nut

If d is the diameter of bolt hole then for a flanged pipe joint to be leak proof, the circumferential pitch of the bolts should be_________________?

A. Lovz
B. 10vztol5vd
C. 15vdto20vz
D. 20vdto30vd

A bolt___________________?

A. Has a head on one end and a nut fitted to the other
B. Has head at one end and other end fits into a tapped hole in the other part to be joined
C. Has both the ends threaded
D. Is provided with pointed threads

The endurance limit in shear of carbon steel can be obtained by multiplying the endurance limit in flexure by a factor of____________?

A. 0.25
B. 0.45
C. 0.55
D. 0.65

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

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

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

A. 30°
B. 45°
C. 60°
D. 80°

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