Rivets are generally specified by_______________?

Related Mcqs:

1. The permissible stress for carbon steel under static loading is generally taken as__________________?

   A. 2000-3000 kg/pm2
   B. 3000-4000 kg/cm2
   C. 4000-4500 kg/cm2
   D. 7500-10,000 kg/cm2
   E. 10,000-15,000 kg/cm2

2. Stress concentration in cyclic loading is____________________?

   Which is correct statement ?
   A. very serious in brittle materials and less serious in ductile materials
   B. very serious in ductile materials and less serious in brittle materials
   C. equally serious in both types of materials
   D. seriousness would depend on other factors
   E. none of the above

3. Stress concentration in cyclic loading is more serious in__________________?

   A. ductile materials
   B. brittle materials
   C. equally serious in both cases
   D. depends on other factors
   E. unpredictable

4. The fatigue limit of a material____________________?

   A. is greatly decreased by poor surface conditions
   B. remains same irrespective of surface conditions
   C. depends mainly on core composition
   D. is dependent upon yield strength of material
   E. none of the above

5. Set 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 parts
   D. similar to stud
   E. none of the above

6. 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
   E. 2 d.

7. The shearing stresses in the inner face as compared to outer face of the wire in a heavy close coiled spring is_________________?

   A. larger
   B. smaller
   C. equal
   D. larger/smaller depending on diameter of spring coil
   E. unpredictable

8. In composite or reverse laid ropes___________________?

   A. direction of twist of wires in strands is opposite to the direction of twist of strands
   B. direction of twist of wires and strands are same
   C. wires in two adjacent strands are twisted in opposite direction
   D. wires are not twisted
   E. none of the above

9. If a spring is cut down into two springs, the stiffness of cut springs will be _________________?

   A. half
   B. same
   C. double
   D. unpredictable
   E. none of the above

10. If threads on a bolt are left hand, threads on nut will be_____________________?

    A. right hand with same pitch
    B. left hand with same pitch
    C. could be left or right hand
    D. right hand with fine pitch
    E. left hand with fine pitch