Crushing resistance required to crush the rivet per pitch length is
A
$${\text{pd}}{\sigma _{\text{c}}}$$
B
$${\text{pt}}{\sigma _{\text{c}}}$$
C
$${\text{ndt}}{\sigma _{\text{c}}}$$
D
$$\left( {{\text{p}} - {\text{d}}} \right){\text{t}}{\sigma _{\text{c}}}$$
Correct Answer: $${\text{ndt}}{\sigma _{\text{c}}}$$