Machine Design - Study Mode
[#86] The gears are termed as medium velocity gears, if their peripheral velocity is
Correct Answer
(B) 3 - 15 m/s
[#87] For hardening alloy steels and high speed steels, they are heated to
Correct Answer
(A) 1100 to 1300°C
[#88] 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
Correct Answer
(C) 1.5 d
[#89] If shearing stress in nut is half the tensile stress in a bolt, then nut length should be equal to
Correct Answer
(A) Diameter of bolt
[#90] The maximum stress due to stress concentration in a bar having circular transverse hole, as compared to its static stress without hole will be
Correct Answer
(C) 3 times more