app b rubrics

8/12/2019 App B Rubrics

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FACULTY OF CHEMICAL & NATURAL RESOURCES ENGINEERING

CHEMICAL REACTION ENGINEERING I (BKF2453)APPENDIX BREPORT EVALUATION FORM

GROUP NUMBER :

PROJECT TITLE :


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The following criteria are the bases for evaluating BKF2453 Mini Project report for the module of Conceptual Design on a scale of 0 (very low) to 5 (very high)

according to the rubrics in the table below.

All calculations must be shownon clearly; otherwise they

would not be counted here.

Score Ranking

Unacceptable

(0)

Minimum Acceptable

(1)

Acceptable

(2)

Good

(3)

Very Good(4)

Excellent

(5)Total Score

Input: impurities

management

No impurity

management

Raw materials were selected from the available supplies but only some of the impurities were man aged or the

management is wrong. The marks are based on the percentage of right answer

Raw materials were selected

and the impurities weremanaged adequately and

correctly

Variable determination,degree of freedom analysisand management of the

unknown variables

None or not valid dueto absence ofdecisions for input

and/or output

No variable was clearlydetermined, the degree offreedom was totally

wrong or absent. No

discussion in regard todiscriminating and solving

the unknown variables or

the discussion was doneunder wrong bases.

Variables werepartiallydetermined and

wrongly analyzed

through thedegree of freedom

determination. As

a result, thesolutions for the

unknown variablearecompromising.

Variables were alldetermined but wronglyanalyzed through the degree

of freedom determination.

Hence, some of the solutionsare not valid

Variables were adequatelyspecified and were correctlyanalyzed through the degree

of freedom determination.

However, one solution doesnot make sense.

All variables were completelydetermined and were analyzedthrough the degree of freedom.

The unknown variables were

discriminated to a minimumby derivations of related

solution equations such as

reaction conditions, ratios offeeds, instantaneous yields or

selectivity formulas and purityof raw materials.

Level2Decision

Material balancecalculation: stoichiometryand yield calculations for

various conversions

None or not valid dueto absence ofdecisions for input

and/or output

Material balances werecalculated withoutconsidering the variability

of material: misconception

of stoichiometry andyields or the calculationswere done based on a

typical conversion and/oryield from journal withoutany basis or valid

assumption

Material balances calculated were partially correct. The stoichiometry ofcomponents and yields of products are not all valid

Material balances werecalculated based on the resultof the degree of freedom

analysis. These include the

derivation of the equationsfrom balances of extent ofreaction, atom (element), mass

and/or electron valence.Calculations or equationderivations were done

correctly.

X 2

Optimization of theprocess by using the

economic potential

None or not valid dueto absence of

decisions for inputand/or output

Wrong due to the previouserrors or calculation is

based on wrong variable

The economic potential was used to optimize the process route and reactionvariables. However it contains some misconception and the graph shows the

optimum but containing minor errors of format. The marks depend on thepercentage of right answers

The economic potential wasused to optimize the process

route and reaction variables.The graph format is correctand shows the optimum.


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app b rubrics

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