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Previous year question hub

Systems, States, Heat and Work - Basic Concepts - Engineering Sciences Previous Year Questions

Practice Systems, States, Heat and Work - Basic Concepts - Engineering Sciences previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

20Papers
20Years
194Questions
1Topics

Systems, States, Heat and Work question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for Systems, States, Heat and Work. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Easy 138 71.1%
Medium 54 27.8%
Hard 2 1%

Question type distribution

MCQ, numerical, multiple-select and other formats found in these papers.

MCQ 166 85.6%
Numerical Answer Type (NAT) 23 11.9%
MSQ 4 2.1%
Fill in the blanks 1 0.5%

Subject weightage

Top subjects by unique question coverage.

Engineering Sciences
194 Qs

Most asked topics

Top topics across the included previous year papers.

Basic Concepts
194 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Systems, States, Heat and Work
194 Qs

Paper coverage

Question coverage for the most populated papers. Every active PYP paper remains listed below.

Engineering Sciences (XE) 2026
13 Qs
Engineering Sciences (XE) 2025
7 Qs
Engineering Sciences (XE) 2024
8 Qs
Engineering Sciences (XE) 2023
7 Qs
Engineering Sciences (XE) 2022
8 Qs
Engineering Sciences (XE) 2021
5 Qs
Engineering Sciences (XE) 2020
5 Qs
Engineering Sciences (XE) 2019
12 Qs
Engineering Sciences (XE) 2018
9 Qs
Engineering Sciences (XE) 2017
7 Qs
Engineering Sciences (XE) 2016
10 Qs
Engineering Sciences (XE) 2015
8 Qs
Engineering Sciences (XE) 2014
10 Qs
Engineering Sciences (XE) 2013
6 Qs
Engineering Sciences (XE) 2012
5 Qs
Engineering Sciences (XE) 2011
8 Qs
Engineering Sciences (XE) 2010
6 Qs
Engineering Sciences (XE) 2009
3 Qs
Engineering Sciences (XE) 2008
33 Qs
Engineering Sciences (XE) 2007
24 Qs

Included previous year papers

Newest papers appear first. Sort by year, question coverage or name.

PaperYear / sessionQuestions in this viewOpen
Engineering Sciences (XE) 2026202613View paper
Engineering Sciences (XE) 202520257View paper
Engineering Sciences (XE) 202420248View paper
Engineering Sciences (XE) 202320237View paper
Engineering Sciences (XE) 202220228View paper
Engineering Sciences (XE) 202120215View paper
Engineering Sciences (XE) 202020205View paper
Engineering Sciences (XE) 2019201912View paper
Engineering Sciences (XE) 201820189View paper
Engineering Sciences (XE) 201720177View paper
Engineering Sciences (XE) 2016201610View paper
Engineering Sciences (XE) 201520158View paper
Engineering Sciences (XE) 2014201410View paper
Engineering Sciences (XE) 201320136View paper
Engineering Sciences (XE) 201220125View paper
Engineering Sciences (XE) 201120118View paper
Engineering Sciences (XE) 201020106View paper
Engineering Sciences (XE) 200920093View paper
Engineering Sciences (XE) 2008200833View paper
Engineering Sciences (XE) 2007200724View paper

All Systems, States, Heat and Work previous year questions

Practice every matching question in batches of 20, with every available option.

1
2007 · Engineering Sciences · Basic Concepts · Systems, States, Heat and Work
Engineering Sciences (XE) 2007
If the 7-base representation of a number is 123, then its octal representation is
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2
2007 · Engineering Sciences · Basic Concepts · Systems, States, Heat and Work
Engineering Sciences (XE) 2007

The values printed after the function call (marked as FUNCTION CALL) are

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3
2007 · Engineering Sciences · Basic Concepts · Systems, States, Heat and Work
Engineering Sciences (XE) 2007
Assuming all components are ideal, the average power delivered by the dc voltage source in the network shown in the figure is

Question diagram

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4
2007 · Engineering Sciences · Basic Concepts · Systems, States, Heat and Work
Engineering Sciences (XE) 2007

An ideal transformer with 10 turns in primary and 30 turns in secondary has its primary connected to external circuits as shown in the figure. The current provided from the sinusoidal voltage source is

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5
2007 · Engineering Sciences · Basic Concepts · Systems, States, Heat and Work
Engineering Sciences (XE) 2007

A 10-bit DAC has a full scale output of 5 V. The DAC's resolution and step size will respectively be

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6
2007 · Engineering Sciences · Basic Concepts · Systems, States, Heat and Work
Engineering Sciences (XE) 2007
A power source has open circuit voltage of 24V and short circuit current of 16A. At intermediate operating conditions its terminal characteristics is as shown in the figure. The condition under which maximum power can be extracted from the power source is when the
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7
2007 · Engineering Sciences · Basic Concepts · Systems, States, Heat and Work
Engineering Sciences (XE) 2007

A 415 V/240 V transformer rated at 1 kVA, 50 Hz has a leakage reactance of 4%. The leakage inductance of the secondary winding is

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8
2007 · Engineering Sciences · Basic Concepts · Systems, States, Heat and Work
Engineering Sciences (XE) 2007

A 4-pole dc machine has a lap wound armature of radius 14.2 cm and an effective length of 26.3 cm. The poles cover 80% of the armature periphery. The armature winding consists of 39 coils each having 5 turns. The coils are accommodated in 39 slots. The average flux density under each pole is 0.68 T. The flux per pole of this machine will be

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9
2007 · Engineering Sciences · Basic Concepts · Systems, States, Heat and Work
Engineering Sciences (XE) 2007

The CMOS circuit shown below represents

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10
2007 · Engineering Sciences · Basic Concepts · Systems, States, Heat and Work
Engineering Sciences (XE) 2007
Given v(t) = 2 cos 2000πt and OPAMP is ideal.
The current io(t) in 5 kΩ resistor is
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11
2007 · Engineering Sciences · Basic Concepts · Systems, States, Heat and Work
Engineering Sciences (XE) 2007

The simplified logic expression for the circuit shown in the figure is

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12
2007 · Engineering Sciences · Basic Concepts · Systems, States, Heat and Work
Engineering Sciences (XE) 2007
For a direct-on-line starting with full voltage, the starting current will be
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13
2007 · Engineering Sciences · Basic Concepts · Systems, States, Heat and Work
Engineering Sciences (XE) 2007

The velocity of sound

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14
2007 · Engineering Sciences · Basic Concepts · Systems, States, Heat and Work
Engineering Sciences (XE) 2007
A system is capable of exchanging energy with its surroundings in the form of n reversible work modes. The number of independent variables that completely specify the state of the system is
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15
2007 · Engineering Sciences · Basic Concepts · Systems, States, Heat and Work
Engineering Sciences (XE) 2007
A system is partitioned into two equal parts. An intensive property of each part will
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16
2007 · Engineering Sciences · Basic Concepts · Systems, States, Heat and Work
Engineering Sciences (XE) 2007
The polytropic index n of an isochoric process is equal to
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17
2007 · Engineering Sciences · Basic Concepts · Systems, States, Heat and Work
Engineering Sciences (XE) 2007
The net work output for the cycle 1-2-3-4-5-6-1 shown in figure F9 is

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18
2007 · Engineering Sciences · Basic Concepts · Systems, States, Heat and Work
Engineering Sciences (XE) 2007
If the binary representation of two numbers \(m\) and \(n\) are 01001101 and 00101011, respectively, then the binary representation of \(m - n\) is
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19
2007 · Engineering Sciences · Basic Concepts · Systems, States, Heat and Work
Engineering Sciences (XE) 2007
Consider the following C program
#include <stdio.h>
#include <string.h>
void main()
{
char s[80], *p;
int sum = 0;
p = s;
gets(s);
while (*p)
{
if (*p == '1')
sum = 2*sum +1;
else if (*p == '0')
sum = sum*2;
else
printf(“invalid string”);
p++;
}
printf(“%d”, sum);
}
Which number will be printed if the input string is 10110?
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20
2007 · Engineering Sciences · Basic Concepts · Systems, States, Heat and Work
Engineering Sciences (XE) 2007
A number is represented as (1010 1010)2 using 8-bits in signed magnitude representation. The decimal number represented is
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Showing 20 of 193 questions