Machine Design Rankine Gordon formula for buckling is valid for Long column Very long column Short and long column Short column Long column Very long column Short and long column Short column ANSWER DOWNLOAD EXAMIANS APP
Machine Design The helix angle for single helical gears ranges from 20° to 35° 35° to 50° 15° to 20° 10° to 15° 20° to 35° 35° to 50° 15° to 20° 10° to 15° ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a bolt and nut is made of mild steel, then the effective height of nut is made equal to (where d = Nominal diameter of bolt) 1.25 d d 0.75 d 0.5 d 1.25 d d 0.75 d 0.5 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design A double strap butt joint (with equal straps) is Either in single shear or double shear Always in single shear Always in double shear Any one of these Either in single shear or double shear Always in single shear Always in double shear Any one of these 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) 90° - φ 45° - φ/2 45° - φ 45° + φ/2 90° - φ 45° - φ/2 45° - φ 45° + φ/2 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 4 τ τ/2 2 τ τ 4 τ τ/2 ANSWER DOWNLOAD EXAMIANS APP