Efficiency of a riveted joint is the ratio of its strength (max. load it can resist without failure) to the strength of the unpunched plate in_________________?

Related Mcqs:

1. Diamond riveted joint can be adopted in the case of following type of joint _____________________?

   A. butt joint
   B. lap joint
   C. double riveted lap joints
   D. all types of joints
   E. none of the above

2. The distance between the centres of the rivets in adjacent rows of zig-zag riveted joint is known as ____________________?

   A. pitch
   B. back pitch
   C. diagonal pitch
   D. diametral pitch
   E. lap

3. A riveted joint in which the number otrivets decrease from innermost to outer most row is called__________________?

   A. chain riveted joint
   B. diamond riveted joint
   C. criss-cross riveted joint
   D. zig-zag riveted joint
   E. none of the above

4. A riveted joint in which every rivet of a row is opposite to other rivet of the outer row, is known as______________________?

   A. chain riveted joint
   B. diamond riveted joint
   C. criss-cross riveted joint
   D. zig-zag riveted joint
   E. none of the above

5. A beam is loaded as cantilever. If the load at the end is increased, the failure will occur ___________________?

   A. in the middle
   B. at the tip below the load
   C. at the support
   D. anywhere
   E. none of the above

6. When two plates are butt together and riveted with cover plates with two rows of rivets, the joi;it is known as ___________________?

   A. lap point
   B. butt joint
   C. single riveted single cover butt joint
   D. double riveted double cover butt joint
   E. single riveted double cover butt joint

7. In riveted boiler joints, all stresses, shearing, bearing and tensile are based on the_________________?

   A. size of rivet
   B. size of the drilled or reamed hole
   C. average of size of rivet and hole
   D. smaller of the two
   E. any one of the above

8. During a tensile test on a specimen of 1 cm cross-section, maximum load observed was 8 tonnes and area of cross-section at neck was 0.5 cm2. Ultimate tensile strength of specimen is___________________?

   A. 4 tonnes/cm2
   B. 8 tonnes/cm2
   C. 16 tonnes/cm2
   D. 22 tonnes/cm2
   E. none of the above

9. Tensile strength of a material is obtained by dividing the maximum load during the test by the_________________?

   A. area at the time of fracture
   B. original cross-sectional area
   C. average of A. and B.
   D. minimum area after fracture
   E. none of the above.

10. The impact strength of a material is an index of its ___________________?

    A. toughness
    B. tensile strength
    C. capability of being cold worked
    D. hardness
    E. fatigue strength