Machine Design Whether any core is required in wire ropes Sometimes Rarely Yes No Sometimes Rarely Yes No ANSWER DOWNLOAD EXAMIANS APP
Machine Design A closely coiled helical spring is acted upon by an axial force. The maximum shear stress developed in the spring is τ. The half of the length of the spring if cut off and the remaining spring is acted upon by the same axial force. The maximum shear stress in the spring in new condition will be τ τ/2 4 τ 2 τ τ τ/2 4 τ 2 τ ANSWER DOWNLOAD EXAMIANS APP
Machine Design I.S. specifies following total number of grades of tolerances 20 16 22 18 20 16 22 18 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Idler pulley is used for For applying tension All of these Increasing velocity ratio Changing the direction of motion of belt For applying tension All of these Increasing velocity ratio Changing the direction of motion of belt ANSWER DOWNLOAD EXAMIANS APP
Machine Design In block brakes, the ratio of shoe width to wheel diameter is taken between 0.25 and 0.50 0.1 and 0.25 0.75 and 1 0.50 and 0.75 0.25 and 0.50 0.1 and 0.25 0.75 and 1 0.50 and 0.75 ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a beam of rectangular cross-section of width b and depth d, is subjected to a shear force F, the maximum shear stress induced will be 3F/2bh 2F/bh 4F/bh F/bh 3F/2bh 2F/bh 4F/bh F/bh ANSWER DOWNLOAD EXAMIANS APP