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IITDH-ExamTemplate-Questions.pdf View File


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IITDH-ExamTemplate.tex View File

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%\documentclass[addpoints]{exam}
\documentclass[addpoints, answers]{exam}
%& -job-name=XYZ
\usepackage[utf8]{inputenc}
\usepackage{amsmath}
\usepackage{cleveref}
\usepackage[siunitx, american]{circuitikz}
\usepackage{siunitx}
\usepackage{lastpage}
%\input{cedtcommands.tex}
\footer{}{\thepage/\pageref{LastPage}}{}
%\boxedpoints
\bracketedpoints
\pointsinrightmargin
%-------------------------------------------------------------
\begin{document}
%This code creates the text before the first question
%-------------------------------------------------------------------
\pagenumbering{arabic} \setcounter{page}{1}
\vspace{-10mm}
\begin{center}
\includegraphics[width=0.5\textwidth]{Logo-BW_-Wide.png}
\end{center}
\begin{center}\textbf{\LARGE{EE101 Spring 2021 Exam 1} }\end{center}
\begin{center}{Instructor: Dr. Abhijit Kshirsagar \\({username@domain.academic})}\end{center}
\small
\begin{center}
%Date and Time
March 16, 2020, 8am - 10am
\end{center}
\vspace{5mm}
\makebox[\textwidth]{\large Full Name (all caps):\hspace{2mm}\enspace\hrulefill}
\vspace{7mm}
\makebox[\textwidth]{\large Roll Number / ID (all caps):\enspace\hrulefill}
\vspace{5mm}
{
\large
\textbf{Instructions:}
\normalsize
\begin{enumerate}
\item Modify this text block to add all the instructions.
\item The front page is designed to have just the instructions - questions begin on the next page.
\item Put away all bags, books, notebooks, cellphones, laptops, tablets, smartwatches, etc.
\item Only ONE A4 or letter sized crib sheet for formulae or notes is allowed.
\item Scientific/programmable calculators are allowed.
\item Write your answers clearly and legibly in the space provided.
\item Points will be awarded for correct formulae, intermediate steps and working.
\item Use the provided paper for rough work if needed.
\item If any data are missing, make reasonable assumptions and state the same with justification.
\item This exam booklet has a total of {\numquestions}~questions on \pageref{LastPage} pages.
\item The exam consists of three sections worth 25 points, 25 points and 50 points respectively.
\item Points for each question are indicated in square brackets in the right margin.
\item For multiple choice questions, select the \textbf{best option} or \textbf{all correct answers}, as appropriate,
and write your response in the space below each question, e.g. \textbf{A} or \textbf{A,B,D}
\item For fill-in-the-blank questions write the answer in the corresponding blank space.
\end{enumerate}
}
\normalsize
\clearpage
%-------------------------------------------------------------------
%Here, the questions begin
\begin{questions}
\fullwidth{\Large \textbf{Section 1: \pointsinrange{grsec1} Points}}
\begingradingrange{grsec1}
\input{section1}
\endgradingrange{grsec1}
%\clearpage
\fullwidth{\Large \textbf{Section 2: \pointsinrange{grsec2} Points}}
\begingradingrange{grsec2}
\input{section2}
\endgradingrange{grsec2}
\clearpage
\fullwidth{\Large \textbf{Section 3: \pointsinrange{grsec3} Points}}
\begingradingrange{grsec3}
\input{section3}
\endgradingrange{grsec3}
\end{questions}
\clearpage
\begin{center}
\Large{\textbf{Do not write on this page.}}\\
\vspace{10mm}
\hrule
\vspace{0.25in}
\underline{Section 1}\\
\vspace{5mm}
\setlength{\doublerulesep}{0.25in}
\multirowpartialgradetable{2}{grsec1}[questions]
\vspace{0.25in}
%\hrule
\vspace{0.25in}
\underline{Section 2}\\
\vspace{5mm}
\multirowpartialgradetable{1}{grsec2}[questions]
\vspace{0.25in}
%\hrule
\vspace{0.25in}
\underline{Section 3}\\
\vspace{5mm}
\multirowpartialgradetable{1}{grsec3}[questions]
\end{center}
\cfoot{{\thepage/\pageref{LastPage}} \\ This exam was created with the `exam' class of \LaTeX}
\end{document}

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README.md View File

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# LatexExamTemplate
A latex template based on the "Exam" class for creating paper-based exams, with lots of nice features. See the README for details.
A latex template based on the "Exam" class for creating paper-based exams, with lots of nice features.
This latex template allows an instructor to manage all aspects of a conventional paper-based exam with a single TeX source.
This file will help create:
1. A regular question paper
2. Fillable question paper
3. Solution key
4. Marks totals, Section-wise totals, etc
5. A grading block
6. Other add-ons such as a printable graph section, diagrams, etc
#### Examples
See the attached PDFs to see the sample outputs for an exam with three sections, including multiple-choice, fill-in-the blanks, numerical problems, and longer multi-part questions.
#### Usage
In this example, the "main" tex file is IITDH-ExamTemplate.tex. Open, edit and compile this file to create the exam pdf.
The type of PDF generated depends on the ``\documentclass`` parameter at the beginning of this file.
To generate a fillable question paper, (PDF with all the questions and blank spaces for students to write answers), use the following:
``%\documentclass[addpoints]{exam}``
To generate the solution key, i.e. (same PDF as above but with the solutions and/or rubric), use the following:
``%\documentclass[addpoints, answers]{exam}``
Points / marks are automatically added and totalled up per section and for the entire exam.
#### Editing
Although the TeX source may be edited with any text editor or LaTeX editor, TexStudio is the recommended.
---------------------
#### Acknowledgements
This template is based on an exam originally created by Abhijit Kshirsagar for the EE2701 course at the University of Minnesota, in 2019, with help from Prof. Ned Mohan and Prince Kumar.

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%\fullwidth{
%Instructions:
%
%For multiple choice questions select the \textbf{best option} or \textbf{all correct answers}, as appropriate.
%and write your response in the space below each question, e.g. \textbf{A} or \textbf{A,B,D}
%\\For fill-in-the blank questions write the answer in the space provided.
%}
%
%\vspace{5mm}
%}
%Concept:
\question[1]This a multiple-choice question with a single answer. Which among the following is the largest integer?
\begin{choices}
\choice 1
\choice 2
\choice 3
\CorrectChoice 4
\end{choices}
\answerline
% \vspace{1mm}
\question[1]This is a True / False Question. Is two greater than one?:
\begin{choices}
\CorrectChoice True
\choice False
\end{choices}
\answerline
%\vspace{5mm}
\question[1] Multiple-choice questions can have more than one correct option also. Identify all the positive number from the following:
\begin{choices}
\CorrectChoice 1
\choice -1
\CorrectChoice 2
\choice -2
\end{choices}
\answerline
\vspace{5mm}
\question[1] This is a fill-the-blanks question. Complete the following series:
One, three, \fillin[five][1in], seven, \fillin[nine][1in], eleven.
%\begin{solutionbox}[2in]
%Acceptable answers: Transmission, Distribution, Protection or any other reasonable answer.
%\end{solutionbox}
\vspace{5mm}

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\question[1]These are some examples of numerical problems. A 1\si{\kilo\watt} load runs continuously for one day. Find the total energy drawn in \si{\kilo\joule}.
\begin{solutionorbox}[2in]
Total Energy = Power x time\\
$=1\si{\kilo\watt}\times24\si{\hour}$\\
$=1000\si{\watt}\times24\times60\times60\si{\sec}$\\
$=86400\si{\kilo\joule}$
\end{solutionorbox}

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\question[10] These are some ``long form" questions. A PV Panel is found to have a maximum power point of 34.1V and 9.83A when tested at STC (1kW/m\textsuperscript{2}), and has a stated efficiency of 19.6\%.
Estimate the active area of this panel (i.e. the area of semiconductor that light falls on) in \si{\meter\squared}.
\begin{solutionorbox}[7.75in]
At Standard test conditions, the incident radiant energy is 1kW/m\textsuperscript{2}.
Assume that the area of the panel is $A$. The radiant power falling on this panel, i.e. incident power, is therefore:
\begin{equation*}
P_\text{incident}= 1\text{kW}/m^2 * A
\end{equation*}
The output power is just the incident power times the efficiency:
\begin{equation*}
P_\text{output}= 1\text{kW}/m^2 * A * \eta
\end{equation*}
Where efficiency $\eta=(19.6/100)$.
The maximum output power can be determined from the maximum power point details:
Pout
\begin{equation*}
P_\text{out}= V_{oc}*I_{sc}.
\end{equation*}
Thus, equating the two values of P\textsubscript{out}, we can calculate $A$:
\begin{equation*}
A= (V_{oc}*I_{sc})/(\eta * 1kW/m^2) = 1.71 m^2 = 18\text{\ square feet}.
\end{equation*}
\end{solutionorbox}
\clearpage
\question[10] This is a question that requres a graph / plot as the response. The graph can be generated in \TeX. A PV Panel has a maximum power point of 34.1V and 9.83A when tested at STC (standard testing conditions) and a fill factor of 83.8\%. The open circuit voltage is found to be 40\si{\volt}. Compute the short circuit current for this panel and then sketch the VI curve, and label the maximum power point.
\fillwithgrid{8in}
\clearpage
\question This is an example of a complex, multi-part question with multiple types of sub-parts. A user wants to connect an inductive load (Z) with a rating of 10kW and a power factor of 0.5 to the utility supply, as shown in the figure below. The supply voltage is $v_g(t) = 170\sin({\omega t + 0^\circ})$ , with a frequency of 60Hz.
\begin{figure}[h]
\centering
\begin{circuitikz}[scale=0.7]
\draw
(0,0) to[sinusoidal voltage source, , v_<=$v_g(t)$] (0,4)
to[short,i=${i_g(t)}$] (5,4)
%(5,0) to[I, color=blue, *-*, l=$i_c(t)$] (5,4)
(5,4) -- (7,4)
to[european resistor, l=$Z$] (7,0) -- (0,0);
\end{circuitikz}
%\caption*{Problem 1}
\label{fig:prob1}
\end{figure}
\begin{parts}
\part[5] Calculate values of P, Q and S (with the appropriate units):
\begin{solutionorbox}[4in]
Given that P is 10kW and $cos\theta=0.5$ therefore current lags voltage by $60^\circ$.
Magnitude of apparent power is therefore P/$\cos60^\circ$=20kVA.
Therefore $Q=S\sin\theta=17.32\text{kVAR}$.
Since the load is inductive, Q has a positive value.
\end{solutionorbox}
\vspace{5mm}
P = \fillin[10kW][2in]
\vspace{2mm}
Q = \fillin[17.32kVAr][2in]
\vspace{2mm}
S = \fillin[20kVA][2in]
\part[5]Draw the power triangle for this load. You can change the spacing of the grid too:
\vspace{5mm}
\setlength{\gridsize}{\dimexpr.025\linewidth-41\gridlinewidth}
\fillwithgrid{3in}
\clearpage
\part[5] Calculate the net impedance now.
\begin{solutionorbox}[3.5in]
The net impedance is the parallel combination of the capacitor's impedance and the existing load.
We found that $Z=0.181 +0.313j$. The impedance of the newly added capacitor is:
\[X_C = \cfrac{1}{j\omega C} = -0.4171j \Omega \]
Therefore net impedance is:
\[ X_C || Z = \cfrac{ZX_C}{Z+X_C} = 0.7222 - 0.0027j\Omega \approx 0.7222\Omega \]
\end{solutionorbox}
\part[5] What is the power factor seen by the grid after the capacitor is installed?
\begin{solutionorbox}[2in]
The power factor is now nearly unity.
Phase angle is about 0.2 degrees which for all practical purposes is almost zero.
\end{solutionorbox}
\end{parts}

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