Machine Design In case of pressure vessels having closed ends, the fluid pressure induces Circumferential stress Longitudinal stress Shear stress None of these Circumferential stress Longitudinal stress Shear stress None of these 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 τ 4 τ 2 τ τ/2 τ 4 τ 2 τ τ/2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design A compound belt drive is used when Shafts are arranged parallel and rotate in the same directions Shafts are arranged at right angles and rotate in one definite direction Shafts are arranged parallel and rotate in the opposite directions None of these Shafts are arranged parallel and rotate in the same directions Shafts are arranged at right angles and rotate in one definite direction Shafts are arranged parallel and rotate in the opposite directions None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is correct regarding power screws? Both (A) and (B) If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% The efficiency of a self locking screw can not be more than 50% The efficiency of Acme (trapezoidal) thread is less than that of a square thread Both (A) and (B) If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% The efficiency of a self locking screw can not be more than 50% The efficiency of Acme (trapezoidal) thread is less than that of a square thread ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the screw in a mechanical screw jack rotates, the load kept on the top of it moves None of these Axially upwards Axially downwards Axially upwards or downwards None of these Axially upwards Axially downwards Axially upwards or downwards ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shear modulus of resilience is proportional to (Shear stress)3 (Shear stress)⁴ (Shear stress)² Shear stress (Shear stress)3 (Shear stress)⁴ (Shear stress)² Shear stress ANSWER DOWNLOAD EXAMIANS APP