Machine Design - Study Mode

[#476] In order to permit the thermal expansion/contraction of tubing, it should be
Correct Answer

(D) Bent

[#477] The rolling contact bearings are known as
Correct Answer

(C) Antifriction bearings

[#478] Deep groove ball bearings are used for
Correct Answer

(D) Combined thrust and radial loads at high speed

[#479] A compound cylinder with inner radius 50 mm and outer radius 70 mm is made by shrinking one cylinder on to the other cylinder, the junction radius is 60 mm and the junction pressure is 1.1 N/mm 2 . The maximum hoop stress developed in the inner cylinder is
Correct Answer

(C) 7.2 N/mm 2 compression

[#480] A backing ring is used inside the pipe joint when making a
Correct Answer

(A) Butt weld