Machine Design A steel containing _________ 0.8% carbon is known as hypo-eutectoid steel. Less than None of these Equal to Greater than Less than None of these Equal to Greater than 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/2 4 τ τ 2 τ τ/2 4 τ τ ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity factor for very accurately cut and ground metallic gears operating at velocities upto __________ are equal to 6/(6 + v). 10 m/s 12.5 m/s 15 m/s 20 m/s 10 m/s 12.5 m/s 15 m/s 20 m/s ANSWER DOWNLOAD EXAMIANS APP
Machine Design The allowable static stress for steel gears is approximately __________ of the ultimate tensile stress. Double One-fourth One-third One-half Double One-fourth One-third One-half ANSWER DOWNLOAD EXAMIANS APP
Machine Design The rocker arms in internal combustion engines are of__________. Second type levers First type levers Third type levers None of these Second type levers First type levers Third type levers None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The initial tension (in newtons) in a bolt used for making a fluid tight joint like steam engine cover joints, is calculated by the relation (where d = Nominal diameter of bolt in mm) 2080 d 1420 d 1680 d 2840 d 2080 d 1420 d 1680 d 2840 d ANSWER DOWNLOAD EXAMIANS APP