Machine Design For a square key made of mild steel, the shear and crushing strength are related as Shear strength is equal to crushing strength None of these Shear strength is less than crushing strength Shear strength is greater than crushing strength Shear strength is equal to crushing strength None of these Shear strength is less than crushing strength Shear strength is greater than crushing strength ANSWER DOWNLOAD EXAMIANS APP
Machine Design In designing a key, it is assumed that the distribution of forces along the length of key Varies exponentially, being less at the torque-input end Is uniform throughout Varies exponentially, being more at the torque-input end Varies linearly Varies exponentially, being less at the torque-input end Is uniform throughout Varies exponentially, being more at the torque-input end Varies linearly ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a horizontal flat belt drive, it is customary to use Top side of belt as slack side None of these Bottom side of belt as slack side Idler pulley Top side of belt as slack side None of these Bottom side of belt as slack side Idler pulley ANSWER DOWNLOAD EXAMIANS APP
Machine Design The power transmitted by the belt drive can be increased by All of these Increasing the initial tension in the belt Dressing the belt to increase the coefficient of friction Increasing wrap angle by using idler pulley All of these Increasing the initial tension in the belt Dressing the belt to increase the coefficient of friction Increasing wrap angle by using idler pulley ANSWER DOWNLOAD EXAMIANS APP
Machine Design The usual proportion for the width of key is (where d = Diameter of shaft or diameter of hole in the hub) d/4 d/6 d/8 d/2 d/4 d/6 d/8 d/2 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