Machine Design - Study Mode
[#451] In Vickers hardness testing, the pyramid indentor apex is
Correct Answer
(C) 136°
[#452] Wahl's stress factor __________ very rapidly as the spring index decreases.
Correct Answer
(A) Increases
[#453] In the levers of first type, the mechanical advantage is ________ one.
Correct Answer
(C) More than
[#454] For standard coarse threads of nut, the threads will be as strong in failure by shear as the bolt in tension, if the height of nut (h) is approximately
Correct Answer
(A) 0.4 times
[#455] Stress concentration is caused due to
Correct Answer
(D) All of the above