Q$1($a$)$ What do you understand by time study and work measurement?

$($b$)$ Explain the systematic procedure of time study.

$($c$)$ Describe the equipment used for conducting time study.

$($e$)$ A job has been sub$-$divided into five elements. The time for each element and respective rating are given below:

$\backslash$table$[[$Element Number,Observed Time,Rating Factor $\%],[1,0\mathrm{.}7,80],[2,0\mathrm{.}8,100],[3,1\mathrm{.}3,120],[4,0\mathrm{.}5,90],[5,1\mathrm{.}2,100]]$

Calculate the normal time and standard time for each element and for the job if the allowance is $15\%.$