Question$-4(20\%)$:

$[$a$]$ A thermocouple element when taken from a liquid at $500$ C and plunged into a liquid at $1000$ Cat time $t=0$ gave the following e$.$m$.$f$.$ values. Determine the $95\%$ response time.

$\backslash$table$[[$Time $(s),20,40,60,80,100,120],[$e$.$m$.$f$.(mV),3\mathrm{.}8,4\mathrm{.}5,4\mathrm{.}8,4\mathrm{.}9,5,5]]$

$[$b$]$ For the Electronic Weighting Microbalance see. what is the resolution, response time, range, span $,$ size, precision of it$.$

$\backslash$table$[[$Specifications$,],[$Capacity$,51$ g$],[$Readability$,0\mathrm{.}01$ mg$],[$Linearity$,+-0\mathrm{.}03mg$