Machine Design The form factor of a helical gear __________ with the increase in the helix angle. Decreases None of these Remains constant Increases Decreases None of these Remains constant Increases ANSWER DOWNLOAD EXAMIANS APP
Machine Design A machine part subjected to _________ is called a strut. A tangential force An axial tensile force Any one of these An axial compressive force A tangential force An axial tensile force Any one of these An axial compressive force ANSWER DOWNLOAD EXAMIANS APP
Machine Design Lewis form factor for 14½° composite and full depth involute system is (where T = Number of teeth) 0.175 - (0.841/T) 0.154 - (0.912/T) None of these 0.124 - (0.684/T) 0.175 - (0.841/T) 0.154 - (0.912/T) None of these 0.124 - (0.684/T) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The efficiency of a square threaded screw is maximum if the helix angle is equal to(Where φ = Angle of friction) 90° - φ 45° - φ 45° - φ/2 45° + φ/2 90° - φ 45° - φ 45° - φ/2 45° + φ/2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., the distance between the rows of rivets, for equal number of rivets in more than one row for lap joint or butt joint (chain riveting) shall not be less than d 2.5 d 2 d 1.5 d d 2.5 d 2 d 1.5 d 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 2 τ τ τ/2 4 τ 2 τ τ τ/2 4 τ ANSWER DOWNLOAD EXAMIANS APP
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