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1.0 INTRODUCTION

 

Rate of change can be expressed as a ratio between changes in variables over a specific period of 

time. During the interview session, for an engineer post at a water processing company, a

question on water pump is given to find out how much chlorine should be added during water

rise happen. We can deduce that rate of change is related to solve this problem. It will apply

throughout this problem to find the solution.

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1.2 FILA TABLE

FACTS IDEAS LEARNING ISSUES ACTION

WA!R "!I#$

%&'%!D RA! ()

2m3

I) RI*! +I$+!R 

+A# .- mmin / 

ADD 0mg1

W+A I* +! A'( ()

2+1(RI#! *+(&1D ADD33

&*! DI))!R!#IA

*(14! +I

A'( ()

2+1(RI#!

D!%!#D* (# +!

RA! () RI*I#$

I) 1(W!R +A#

.- mmin / ADD

-mg1

+(W 2(&1D

DI))!R!#IAI(# A%%15

I# +I* 6&!*I(#33

("AI# +! 4A1

R, + )R(' +I* 6

+! WA!R A#7 

I* I# 2(#! *+A%!

WRI! A# !6&

R!1A!D ( 4AR

+A* RADI&* () 8'

A +! 2IR2&1AR 

*&R)A2!

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1.3.1 FIRST MINUTES OF MEETING

%ro9ect #ame: %roblem - / 2hange of Rate

Date : ; ?'(#DA5@

4enue : %usat #iaga *iswa ?%#*@, &+'

ime : 0> p.m.

Attendance :

;. Divagar "irabaBaran ?AA;08;8;@

8. 7ishen 'urali ?AA;0;

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Date : 8;=8;> ?+&R*DA5@

4enue : ungBu un Aminah 1ibrary, &+'

ime : 0> p.m.

Attendance :

;. Divagar "irabaBaran ?AA;0;C@

8. 7ishen 'urali ?AA;0; ?*A&RDA5@

8/17/2019 First Minutes of Meeting Eng Maths

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4enue : ungBu un Aminah 1ibrary, &+'

ime : 0 p.m.

Attendance :

;. Divagar "irabaBaran ?AA;0;C@8. 7ishen 'urali ?AA;0;

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)rom the calculation above, we found that the water rise is not higher than .-

mmin. *o, 3mg/l of chlorine should be added to the water.

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4.0 Re,e#ence

1. Re,e#ence ,#o- %e)i(e

$upta $.*. ?;CC-@, )orecasting 'oney *upply &sing "oxFenBins and other procedure 8C.

)rom https:ideas.repec.orgpiimiimawp;;8