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/2 45° - φ 45° + φ/2 90° - φ 45° - φ/2 45° - φ 45° + φ/2 90° - φ ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft is subjected to Combined bending and shear stresses Bending stresses Shear stresses All of these Combined bending and shear stresses Bending stresses Shear stresses All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The material commonly used for crane hooks is Cast iron Mild steel Aluminium Wrought iron Cast iron Mild steel Aluminium Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Machine Design Crushing resistance required to crush the rivet per pitch length is p.t.σc (p - d) t.σc n.d.t.σc p.d.σc p.t.σc (p - d) t.σc n.d.t.σc p.d.σc ANSWER DOWNLOAD EXAMIANS APP
Machine Design Fabric belts are used in industrial applications because They are cheap They can work at high temperature None of these They are unaffected by moisture and humidity They are cheap They can work at high temperature None of these They are unaffected by moisture and humidity ANSWER DOWNLOAD EXAMIANS APP
Machine Design In designing thick cylinders, the equation used is All of these Birnie's equation Clavarinos' equation Lame's equation All of these Birnie's equation Clavarinos' equation Lame's equation ANSWER DOWNLOAD EXAMIANS APP