Machine Design A spring of stiffness 1000 N/m is stretched initially by 100 mm from the undeformed position. The work required to stretch it by another 100 mm is 15 N-m 5 N-m 10 N-m 7 N-m 15 N-m 5 N-m 10 N-m 7 N-m ANSWER DOWNLOAD EXAMIANS APP
Machine Design An open belt drive is used when Shafts are arranged parallel and rotate in the opposite directions Driven shaft is to be started or stopped whenever desired without interfering with the driving shaft Shafts are arranged at right angles and rotate in one definite direction Shafts are arranged parallel and rotate in the same directions Shafts are arranged parallel and rotate in the opposite directions Driven shaft is to be started or stopped whenever desired without interfering with the driving shaft Shafts are arranged at right angles and rotate in one definite direction Shafts are arranged parallel and rotate in the same directions ANSWER DOWNLOAD EXAMIANS APP
Machine Design The maximum bending stress in a curved beam having symmetrical section always occur at the Centroidal axis Outside fiber Neutral axis Inside fiber Centroidal axis Outside fiber Neutral axis Inside fiber ANSWER DOWNLOAD EXAMIANS APP
Machine Design When two springs are in series (having stiffness K), the equivalent stiffness will be K/4 K/2 K 2K K/4 K/2 K 2K ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following material has the maximum ductility? Zinc Aluminium Copper Mild steel Zinc Aluminium Copper Mild steel ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stiffness of a closely coiled helical spring subjected to an axial load W is equal to (where G = Modulus of rigidity, and n = Number of active coils) Gd⁴/ 4D3n Gd3/ 8D3n Gd⁴/ 8D²n Gd⁴/ 8D3n Gd⁴/ 4D3n Gd3/ 8D3n Gd⁴/ 8D²n Gd⁴/ 8D3n ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS