Machine Design The cross-section of the arm of a bell crank lever is Rectangular I-section Any one of these Elliptical Rectangular I-section Any one of these Elliptical ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a horizontal flat belt drive, it is customary to use Idler pulley Bottom side of belt as slack side Top side of belt as slack side None of these Idler pulley Bottom side of belt as slack side Top side of belt as slack side None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design A woodruff key is All of these A tapered key with head at one end Fitted in pairs at right angles Capable of tilting in a recess milled out in the shaft All of these A tapered key with head at one end Fitted in pairs at right angles Capable of tilting in a recess milled out in the shaft ANSWER DOWNLOAD EXAMIANS APP
Machine Design Screws used for power transmission should have Low efficiency Strong teeth Very fine threads High efficiency Low efficiency Strong teeth Very fine threads High efficiency 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) 45° - φ 45° + φ/2 45° - φ/2 90° - φ 45° - φ 45° + φ/2 45° - φ/2 90° - φ ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a bolt is subjected to shock loading, the resilience of the bolt should be considered in order to prevent breakage at the Shank Thread Head Middle Shank Thread Head Middle ANSWER DOWNLOAD EXAMIANS APP
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