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Civil Engineering QUESTION #6578

A rainfall intensity–time plot is specifically referred to as a:

Hydrograph
Mass curve
Hyetograph✔️
Isohyet

Correct Answer Logic:

A hyetograph is a bar chart or plot of rainfall intensity (mm/hr) against time. A hydrograph plots stream discharge vs. time; a mass curve plots cumulative rainfall vs. time; an isohyet is a line of equal rainfall depth.

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Nursing QUESTION #9202

Question 2

In Imogene King's Theory of Goal Attainment, which three interacting systems form the conceptual framework?

Individual, Family, Community
Personal, Interpersonal, Social✔️
Biological, Psychological, Sociological
Micro, Meso, Macro

Correct Answer Logic:

Correct Answer: B

King's Conceptual System (1981) consists of three open, dynamic interacting systems:

Personal System: The individual — includes concepts of body image, growth, development, perception, self, space, and time
Interpersonal System: Two or more individuals interacting — includes communication, interaction, role, stress, and transaction
Social System: Larger groups — includes authority, decision-making, organization, power, and status

King's Theory of Goal Attainment (a middle-range theory derived from the framework) focuses on the nurse-patient transaction within the interpersonal system. The transaction leads to goal attainment, which represents health.

Key equation: Perception → Judgment → Action → Reaction → Interaction → Transaction → Goal Attainment

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Logical Reasoning QUESTION #4430

Question 3

The virus spreads rapidly in the town. It infected the people — First day: $8$, Second day: $16$, Third day: $32$. What will the number of infected people be on the next day?

44 people
56 people
64 people✔️
74 people

Correct Answer Logic:

The number of infected people doubles each day: $8 \rightarrow 16 \rightarrow 32 \rightarrow\ ?$. This is a geometric progression with common ratio $r = 2$. Next term $= 32 \times 2 = 64$ people.

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Physics QUESTION #7859

Question 4

Work done depends on angle between force and displacement:

Work constant
Max at 0°✔️
Negative at 90°
Zero at 45°

Correct Answer Logic:

W = Fd cosθ; max when θ=0° (cos0=1).

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Civil Engineering QUESTION #2123

Question 5

In steel structural design, the slenderness ratio of a compression member is defined as $\lambda = \dfrac{KL}{r}$, where $r$ is the radius of gyration. The radius of gyration of a section is given by:

r = I/A
$r = \sqrt{I/A}$✔️
$r = A/I$
$r = \sqrt{A/I}$

Correct Answer Logic:

Radius of gyration $r = \sqrt{\dfrac{I}{A}}$, where $I$ = second moment of area and $A$ = cross-sectional area. It represents the distribution of area about the axis — a larger $r$ indicates area distributed farther from the neutral axis, giving greater bending and buckling resistance. For design, the minimum $r$ (about the weak axis) governs the critical slenderness ratio and buckling load.

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English QUESTION #8425

Question 6

I thanked him for _______ me the way to the Post Office.

teaching
advising
showing✔️
suggesting

Correct Answer Logic:

'Showing the way' means guiding.

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Physics QUESTION #992

Question 7

A ball of mass 100 g is projected with velocity $20\ \text{m/s}$ at $60°$ with horizontal. The decrease in kinetic energy from projection to highest point is:

5 J
15 J✔️
20 J
zero

Correct Answer Logic:

At highest point, only horizontal component remains: $v_x = 20\cos60° = 10\ \text{m/s}$. Initial KE $= \frac{1}{2}(0.1)(400)=20\ \text{J}$. Final KE $= \frac{1}{2}(0.1)(100)=5\ \text{J}$. Decrease $= 20-5=15\ \text{J}$.

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Math Physics Chemistry Biology QUESTION #757

Question 8

A small parallel resistance (shunt) used to convert a galvanometer into an ammeter is given by:

Rs = (Ig/(I-Ig)) x Rg✔️
Rs = (Ig-I)/Ig
Rs = Ig/(I-Iθ)
None

Correct Answer Logic:

The shunt resistance Rs = IgRg/(I-Ig). This ensures most current bypasses the galvanometer making it function as an ammeter.

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Physics QUESTION #415

Question 9

A certain radioactive mass decays from 64 gm to 2 gm in 20 days. What is its half-life?

5 days
4 days✔️
10 days
6 days

Correct Answer Logic:

64?32?16?8?4?2 is 5 half-lives in 20 days, so t?/? = 4 days

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Therapeutics and Patient Care QUESTION #3905

Question 10

Which medication is used as a uroprotective agent to prevent haemorrhagic cystitis in patients receiving cyclophosphamide chemotherapy?

Methotrexate
Mercaptopurine
Dacarbazine
Mesna✔️

Correct Answer Logic:

Mesna (sodium 2-mercaptoethane sulphonate) binds to acrolein, the urotoxic metabolite of cyclophosphamide, in the urine, neutralising it and preventing bladder toxicity.

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Mathematics QUESTION #4090

Question 11

The dimension of the subspace $W$ of all $2\times2$ symmetric matrices (as a subspace of all $2\times2$ matrices) is:

$1$
$2$
$3$✔️
$4$

Correct Answer Logic:

A general $2\times2$ symmetric matrix is $\begin{pmatrix}a&b\\b&c\end{pmatrix}$ with 3 free parameters. A basis for $W$ is $\left\{\begin{pmatrix}1&0\\0&0\end{pmatrix},\begin{pmatrix}0&1\\1&0\end{pmatrix},\begin{pmatrix}0&0\\0&1\end{pmatrix}\right\}$. Hence $\dim(W)=3$.

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Education QUESTION #7580

Question 12

Language that tends to be relatively concrete and concerned with physical objects and actions is referred to as:

Restricted codes✔️
Elaborated codes
Communication codes
None of these

Correct Answer Logic:

Restricted codes use simpler, more concrete language with shared assumptions, often relying on context and implicit meanings rather than explicit elaboration.

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Civil Procedure QUESTION #3688

Question 13

A plaintiff (State A) sues Defendant 1 (State B) and Defendant 2 (State B) for $\text{\$100,000}$ in federal court. Defendant 1 files a cross-claim against Defendant 2 for $\text{\$10,000}$ arising out of the same car accident. Defendant 2 moves to dismiss the cross-claim for lack of subject-matter jurisdiction because it is under $\text{\$75,000}$. How should the court rule?

Grant the motion, because the cross-claim does not meet the amount in controversy.
Grant the motion, because there is no diversity between Defendant 1 and Defendant 2.
Deny the motion, because the court has supplemental jurisdiction over the cross-claim.✔️
Deny the motion, because cross-claims are always federal questions.

Correct Answer Logic:

Under 28 U.S.C. $\S 1367$, the court has supplemental jurisdiction over cross-claims (Rule 13(g)) that arise from the same transaction or occurrence as the original claim, regardless of the amount or diversity between the co-defendants.

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HR and Management QUESTION #6437

Question 14

The primary purpose of Human Resource Planning (HRP) is to:

Ensure the right number and types of people are available when needed✔️
Reduce overall headcount to minimize costs
Comply with equal employment opportunity laws
Develop training programs for current employees

Correct Answer Logic:

HRP ensures that organizations have the right number of people, with the right skills, in the right places, at the right times. It's a proactive process linking HR activities to organizational strategy and forecasting future needs.

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General Knowledge QUESTION #4778

Question 15

What is the name of Sri Lanka's official currency?

Rupiyah
Lek
Ringgit
Sri Lankan Rupee✔️

Correct Answer Logic:

The official currency of Sri Lanka is the Sri Lankan Rupee (LKR), which has been in use since 1872. Lek is Albanian, Ringgit is Malaysian.

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General Knowledge QUESTION #8776

Question 16

The term 'Hung Parliament' describes a situation in which:

Prime Minister avoids Parliament sessions
Prime Minister refuses to step down after no-confidence
No single party has a majority in the house✔️
The ruling party lost majority in the upper house

Correct Answer Logic:

Hung Parliament means no party has an absolute majority.

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Statistics QUESTION #1961

Question 17

In a regression model $\hat{Y} = a + bX$, which variable represents the one being estimated or predicted?

Dependent variable $(Y)$✔️
Independent variable $(X)$
Intervening variable
Exogenous variable

Correct Answer Logic:

In regression analysis, the dependent variable (also called response variable) is the one being predicted or estimated. The independent variable $X$ is the predictor.

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Planning QUESTION #4972

Question 18

In Critical Path Method (CPM), which activity characteristic determines the project completion time?

Activities with highest cost
Activities on the critical path✔️
Activities with most resources
Activities with earliest start

Correct Answer Logic:

The Critical Path consists of activities with zero slack/float time. Any delay in these activities directly delays project completion. Activities not on the critical path have slack and don't affect overall duration if delayed within their float.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3372

Question 19

'Opsonization' is the process where:

Bacteria are killed by heat
Pathogens are coated with antibodies/complement to enhance phagocytosis✔️
Viruses enter a cell
DNA is copied

Correct Answer Logic:

It makes the 'prey' (pathogens) easier for the 'predators' (WBCs) to catch.

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Geography QUESTION #6324

Question 20

The concept of 'geopolitics of uneven development' primarily examines:

Natural resource distribution creating power asymmetries between states
Historical colonial relationships perpetuating economic disparities
Spatial patterns of wealth accumulation and political power relationships✔️
Geographic determinism in national development trajectories

Correct Answer Logic:

Geopolitics of uneven development (drawing from world-systems theory and Marxist geography) examines how spatial patterns of capital accumulation, wealth concentration, and economic development create and perpetuate asymmetric power relationships between core, periphery, and semi-periphery regions.

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