Reading Mode - Questions

The PID controller combines all three actions: $Y(s)=K+\frac{K_I}{s}+K_D s$. P provides immediate response, I eliminates steady-state error, D adds damping and predictive action.

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Accounting & Finance QUESTION #6062

Question 4

Which of the following best defines Prime Cost?

The total of all cost items that can be directly charged to individual product units✔️
The sum of all direct materials and direct labour costs, excluding all other costs
The total costs incurred in producing one finished unit
The sum of the largest cost components in a product

Correct Answer Logic:

Prime Cost $= \text{Direct Materials} + \text{Direct Labour} + \text{Direct Expenses}$. It includes all costs that can be directly traced to a product unit — not just materials and labour. Option A is the most accurate because it captures all directly chargeable items. Option B is incomplete (it excludes direct expenses). Option C describes total production cost (including overheads). Option D is vague and incorrect.

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Geography QUESTION #6330

Question 5

'Brain drain' in development geography most accurately describes:

Loss of intellectual property to foreign corporations
Emigration of highly skilled workers to developed countries✔️
Educational system failures in developing nations
Technological gap between nations widening

Correct Answer Logic:

Brain drain refers to emigration of highly educated, skilled workers (doctors, engineers, scientists) from developing to developed countries, depriving origin countries of human capital needed for development while benefiting destination countries.

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General Knowledge QUESTION #9024

Question 6

Which country is NOT a member of the Economic Cooperation Organization (ECO)?

Pakistan
Afghanistan
Chechnya✔️
Kazakhstan

Correct Answer Logic:

Chechnya is not a member of ECO.

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Civil / Architecture QUESTION #2349

Question 7

The U-value (thermal transmittance) of a composite building element with individual layer thermal resistances $R_1, R_2, R_3$ plus internal surface resistance $R_{si}$ and external surface resistance $R_{se}$ is:

$U = R_{si} + R_1 + R_2 + R_3 + R_{se}$
$U = \dfrac{1}{R_{si} + R_1 + R_2 + R_3 + R_{se}}$✔️
$U = \dfrac{1}{R_1 + R_2 + R_3}$
$U = \dfrac{\lambda_1 + \lambda_2 + \lambda_3}{d_1 + d_2 + d_3}$

Correct Answer Logic:

U-value (W/m²·K) = $\dfrac{1}{R_T}$ where total thermal resistance $R_T = R_{si} + \sum_{i}R_i + R_{se}$. Each layer's resistance is $R_i = d_i/\lambda_i$ (thickness/conductivity). Surface resistances $R_{si} = 0.13\,\text{m}^2\text{K/W}$ and $R_{se} = 0.04\,\text{m}^2\text{K/W}$ per ISO 6946 must be included for the overall U-value.

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Information Technology QUESTION #1129

Question 8

Which technique works by selecting the local optimal choice at each step?

Dynamic Programming
Divide and Conquer
Greedy Algorithm✔️
None of these

Correct Answer Logic:

A Greedy Algorithm makes the choice that looks best at the current moment with the hope that these local optimal choices will lead to a global optimum.

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Dairy Food Science and Technology QUESTION #5966

Question 9

Which test is performed to detect coliform bacteria in milk as an indicator of post-pasteurization contamination?

Total Plate Count (TPC)
Most Probable Number (MPN) or Petrifilm coliform count✔️
Reductase Test (MBRT)
Phosphatase Test

Correct Answer Logic:

Coliform bacteria ($E.\;coli$, $Klebsiella$, $Enterobacter$) should be absent or very low in properly pasteurized milk. Detection uses the MPN method (lauryl sulfate tryptose broth with gas production) or direct plating on selective media (VRBA, Petrifilm CC). Coliforms in pasteurized milk indicate post-pasteurization contamination.

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Urdu QUESTION #5160

Question 10

تصادق حسین خالد، میراجی اور این ایم راشد میں کیا مشترک ہے؟

مزاح نگاری
معری نظم
آزاد نظم✔️
ان میں سے کوئی نہیں

Correct Answer Logic:

تصادق حسین خالد، میراجی اور این ایم راشد تینوں آزاد نظم کے علمبردار شعراء تھے۔

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Physics QUESTION #1049

Question 11

Two gases A and B in cylinders with pistons of radius $r_A$ and $r_B$. Equal heat at constant pressure. Pistons move 16 cm and 9 cm. Internal energy change same. Ratio $r_A/r_B$ is:

$\dfrac{2}{\sqrt{3}}$
$\dfrac{\sqrt{3}}{2}$
$\dfrac{4}{3}$✔️
$\dfrac{3}{4}$

Correct Answer Logic:

At constant pressure: $Q = \Delta U + W$. Same $\Delta U$ and same Q: so $W_A=W_B$. Work done $=p\cdot\pi r^2\cdot d$. So $\pi r_A^2\cdot16 = \pi r_B^2\cdot9\Rightarrow\frac{r_A^2}{r_B^2}=\frac{9}{16}\Rightarrow\frac{r_A}{r_B}=\frac{3}{4}$.

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English QUESTION #2707

Question 12

Choose the correct pair word: 'The ___ of the school is very strict.'

Principle
Principal✔️
Prince
Priest

Correct Answer Logic:

'Principal' refers to the head of an institution; 'principle' refers to a fundamental truth.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3644

Question 13

'Fixed Oils' differ from 'Volatile Oils' because fixed oils:

Can be saponified (made into soap)✔️
Evaporate at room temperature
Are always liquid
Do not contain fat

Correct Answer Logic:

Fixed oils are esters of fatty acids and glycerol; volatile oils are not.

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CISA QUESTION #6865

Question 14

An organization implements data loss prevention (DLP) technology but configures it in monitor-only mode indefinitely, never enabling enforcement. What is the PRIMARY limitation of this approach?

Incomplete implementation
DLP provides visibility but no actual data loss prevention without enforcement enabled✔️
Reduced performance
User acceptance

Correct Answer Logic:

Monitor-only mode allows DLP to identify potential data loss but takes no action to prevent it. While monitoring provides valuable visibility, the system is not preventing data loss—its primary purpose. Organizations often intend to move from monitor to enforce mode but remain in monitor indefinitely, providing false security belief without actual protection.

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Psychology QUESTION #9796

Question 15

Concern with meeting standards of excellence and accomplishing difficult tasks is referred to as the need for:

Affiliation
Achievement✔️
Power
Apperception

Correct Answer Logic:

The need for achievement (n-Ach) (McClelland, Atkinson) is the motivation to excel, accomplish challenging goals, and attain standards of excellence — distinct from affiliation (relationships) and power (influence).

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Accounting & Finance QUESTION #6123

Question 16

Factory data: Budgeted production 10,000 units; Budgeted overheads $50,000; Actual overheads $60,000; Under-absorption $5,000. What was the actual production?

9,000 units✔️
9,167 units
11,000 units
13,000 units

Correct Answer Logic:

Option A (9,000 units) is correct.

OAR = $50,000 ÷ 10,000 = $5 per unit

Under-absorption = Actual overheads − Absorbed overheads

$5,000 = $60,000 − (Actual units × $5)

Actual units = $55,000 ÷ $5 = 9,000 units

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Verbal Reasoning QUESTION #8099

Question 17

The circumference of circle $C$ is $18\pi$.

Compare:

Column A: The diameter of circle $C$

Column B: $9$

Column A is greater✔️
Column B is greater
The two quantities are equal
The relationship cannot be determined from the information given

Correct Answer Logic:

The circumference formula is $C = \pi d$, where $d$ is the diameter.

$18\pi = \pi d \Rightarrow d = 18$

Column A = 18, Column B = 9.

Since $18 > 9$, Column A is greater.

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Biology Zoology Botany QUESTION #1334

Question 18

What is the term for the process by which a caterpillar becomes a butterfly?

Fragmentation
Budding
Metamorphosis✔️
None of these

Correct Answer Logic:

Metamorphosis is the biological process of transformation from an immature larval stage (caterpillar) to a mature adult form (butterfly). In complete metamorphosis (holometabolism), the four stages are egg, larva (caterpillar), pupa (chrysalis), and adult (imago). Fragmentation and budding are asexual reproduction strategies in simpler organisms.

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