Machine Design - Study Mode
[#271] When bevel gears connect two shafts whose axes intersect at an angle greater than a right angle and one of the bevel gears has a pitch angle of 90°, then they are known as
Correct Answer
(A) Crown bevel gears
[#272] When bevel gears having equal teeth and equal pitch angles connect two shafts whose axes intersect at right angle, then they are known as
Correct Answer
(D) Miter gears
[#273] The crest diameter of a screw thread is same as
Correct Answer
(A) Major diameter
[#274] The maximum efficiency of a square threaded screw is
Correct Answer
(A) $$frac{{1 - sin varphi }}{{1 + sin varphi }}$$
[#275] In order to have a connecting rod equally strong in buckling about X-axis and Y-axis, the moment of inertia about X-axis should be __________ the moment of inertia about Y-axis.
Correct Answer
(D) Four times