Machine Design In a belt drive, if the pulley diameter is doubled keeping the tension and belt width constant, then it will be necessary to Increase the key length Decrease the key length Increase the key depth Increase the key width Increase the key length Decrease the key length Increase the key depth Increase the key width ANSWER DOWNLOAD EXAMIANS APP
Machine Design The period during which the cam follower remains at rest, when cam moves, is known as Constant period Idle period Dwell period Fixed period Constant period Idle period Dwell period Fixed period ANSWER DOWNLOAD EXAMIANS APP
Machine Design The notch sensitivity q is expressed in terms of fatigue stress concentration factor Kf and theoretical stress concentration factor Kt as (Kf - 1)/ (Kt - 1) (Kf + 1)/ (Kt + 1) (Kt - 1)/ (Kf - 1) (Kt + 1)/ (Kf + 1) (Kf - 1)/ (Kt - 1) (Kf + 1)/ (Kt + 1) (Kt - 1)/ (Kf - 1) (Kt + 1)/ (Kf + 1) 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 90° - φ 45° + φ/2 45° - φ/2 45° - φ 90° - φ 45° + φ/2 45° - φ/2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Creep in belt is due to Material of the pulley Uneven extensions and contractions due to varying tension All of these Material of the belt Material of the pulley Uneven extensions and contractions due to varying tension All of these Material of the belt ANSWER DOWNLOAD EXAMIANS APP
Machine Design Factor of safety for fatigue loading is the ratio of Elastic limit to the yield point Elastic limit to the working stress Young's modulus to the ultimate tensile strength Endurance limit to the working stress Elastic limit to the yield point Elastic limit to the working stress Young's modulus to the ultimate tensile strength Endurance limit to the working stress ANSWER DOWNLOAD EXAMIANS APP
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