$4.$ Explain the codes and standards applicable for the various mechanical componentsyou need to refer to the design$\mathrm{.}5.$ Use the shaft design procedures for evaluating the strength parameters. How will youdecide the diameter of the shaft? Assume data and prove analytically.Task $-$C Gear and Brake Design $(35$ Marks$)6.$ Use the gear design procedures for analyzing the gear box of the system. How will youcheck the static, dynamic and wear load of the gears? Assume data and proveanalytically$\mathrm{.}7.$ Use the brake design procedures for analysing the effect of friction and thermaleffects during application of brake