Reading Mode - Questions

Computer Science QUESTION #1133

When do data hazards occur in a pipeline?

During performance loss
When pipeline changes the order of read/write access to operands✔️
When a unit is not fully pipelined
When machine size is limited

Correct Answer Logic:

Data hazards happen when the pipeline changes the timing or order of operand access, leading to an instruction attempting to use data before it is updated by a previous instruction.

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Physics QUESTION #1033

Question 2

A model states flux through electron orbit in magnetic field $B$ is $n(h/e)$. The magnetic moment in the lowest energy state ($n=1$) is:

$\dfrac{heB}{\pi m}$
$\dfrac{heB}{2\pi m}$✔️
$\dfrac{he}{\pi m}$
$\dfrac{he}{2\pi m}$

Correct Answer Logic:

Flux: $B\pi r^2 = \frac{nh}{e}\Rightarrow r^2 = \frac{nh}{\pi eB}$. For $n=1$: $r=\sqrt{\frac{h}{\pi eB}}$. $mv^2/r = evB\Rightarrow v = \frac{eBr}{m}$. Magnetic moment $\mu = iA = \frac{ev}{2\pi r}\cdot\pi r^2 = \frac{evr}{2} = \frac{e}{2}\cdot\frac{eBr^2}{m} = \frac{e^2Bh}{2\pi em} = \frac{heB}{2\pi m}$.

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Basic Mathematics QUESTION #4622

Question 3

The sum of three consecutive integers is $60$. What is the middle integer?

$19$
$20$✔️
$21$
$18$

Correct Answer Logic:

Let integers be $n-1, n, n+1$. Sum: $3n = 60$, so $n = 20$

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Mechanical Engineering QUESTION #2421

Question 4

For a composite plane wall with convection on both sides, the total thermal resistance is:

$R_{total} = h_1 A + \sum R_i + h_2 A$
$R_{total} = \frac{1}{h_1 A} + \sum\frac{L_i}{k_i A} + \frac{1}{h_2 A}$✔️
$R_{total} = \frac{1}{h_1 h_2 A^2}$
$R_{total} = \frac{k_1+k_2}{A(h_1+h_2)}$

Correct Answer Logic:

For a composite wall with convection on both sides, all resistances are in series: $R_{total}=\frac{1}{h_1A}+\frac{L_1}{k_1A}+\frac{L_2}{k_2A}+\cdots+\frac{1}{h_2A}$.

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Library Sciences QUESTION #1555

Question 5

S.R. Ranganathan's Five Laws of Library Science, formulated in 1931, include which of the following as the fifth law?

Every reader his book
Save the time of the reader
Books are for use
The library is a growing organism✔️

Correct Answer Logic:

Ranganathan's Five Laws are: (1) Books are for use, (2) Every reader his book, (3) Every book its reader, (4) Save the time of the reader, and (5) The library is a growing organism. The fifth law is particularly significant as it emphasizes that libraries must continuously grow and adapt.

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Biology QUESTION #557

Question 6

Herpes simplex is caused by __________ virus.

Enveloped RNA✔️
RNA tumor
Glycogen
Both B and C

Correct Answer Logic:

Answer key shows X (cancelled question)

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Reading and Writing (Module-1) QUESTION #5337

Question 7

The researchers gathered data on several variables: temperature, humidity, and ______. Which choice completes the text so that it conforms to the conventions of Standard English?

precipitation.✔️
precipitating.
to precipitate.
precipitated.

Correct Answer Logic:

'Precipitation' maintains parallel structure with 'temperature' and 'humidity' (all nouns).

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Logical Reasoning QUESTION #3958

Question 8

Select the pair with a similar relationship: YAWN : BOREDOM

dream : sleep✔️
anger : madness
smile : amusement
face : expression

Correct Answer Logic:

2

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3037

Question 9

'Autoclaving' uses which type of heat for sterilization?

Dry heat
Moist heat (Steam under pressure)✔️
Radiant heat
Chemical heat

Correct Answer Logic:

Autoclaving is the most effective method of moist heat sterilization.

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Professional QUESTION #1893

Question 10

Under Rule 10-A can a party to proceedings under GS E&D Rules 1973 be represented by an advocate?

Yes always as a matter of right
Yes but only before the High Court
No party shall be represented by an advocate before any forum under these rules✔️
Yes only before an Inquiry Committee not an Inquiry Officer

Correct Answer Logic:

Rule 10-A categorically prohibits representation by an advocate before the authority the authorized officer an Inquiry Officer or an Inquiry Committee.

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Mechanical Engineering QUESTION #2401

Question 11

The continuity equation for steady, incompressible flow through a conduit states:

$A_1 V_1 + A_2 V_2 = \text{const}$
$A_1 V_1 = A_2 V_2 = Q = \text{const}$✔️
$\rho_1 V_1 = \rho_2 V_2$
$A_1 / V_1 = A_2 / V_2$

Correct Answer Logic:

For steady incompressible flow, the continuity equation from conservation of mass: $Q=A_1V_1=A_2V_2=\text{const}$ where $Q$ is volumetric flow rate (m³/s).

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3426

Question 12

'Chylomicrons' are lipoproteins that primarily transport:

Cholesterol from the liver
Dietary lipids (Triglycerides) from the intestines✔️
Proteins
Water

Correct Answer Logic:

They carry fats from the site of absorption to the rest of the body.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3199

Question 13

'Surfactant' in the alveoli prevents lung collapse by:

Increasing surface tension
Reducing surface tension✔️
Killing bacteria
Warming the air

Correct Answer Logic:

Surfactant (secreted by Type II pneumocytes) keeps the tiny air sacs open.

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Basic Mathematics QUESTION #4532

Question 14

What is $5^1$?

$1$
$5$✔️
$0$
Undefined

Correct Answer Logic:

Any number raised to power $1$ equals itself. $b^1 = b$, so $5^1 = 5$

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Math Physics Chemistry Biology QUESTION #789

Question 15

Which is universal solvent?

Water✔️
HCl
Ether
None

Correct Answer Logic:

Water is called the universal solvent because it can dissolve more substances than any other liquid due to its polar nature and ability to form hydrogen bonds.

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English QUESTION #2657

Question 16

Identify the correct indirect form: 'The teacher said, "The Earth revolves around the Sun."'

The teacher said that the Earth revolved around the Sun.
The teacher said that the Earth revolves around the Sun.✔️
The teacher said the Earth was revolving around the Sun.
None of these

Correct Answer Logic:

Universal truths do not change tense in indirect speech.

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Federal Rules of Evidence (US) QUESTION #3794

Question 17

During a civil trial, a witness for the plaintiff testifies. On cross, the defense asks a question that implies the witness is lying because he was paid a bribe by the plaintiff. On redirect, the plaintiff offers a statement the witness made to his wife *before* the alleged bribe was paid, which is consistent with his trial testimony. Is the statement admissible?

No, it's hearsay.
Yes, as non-hearsay to rebut a charge of recent fabrication or improper motive under Rule 801(d)(1)(B).✔️
No, because the statement was made to his wife and is privileged.
Yes, but only for impeachment and not as substantive evidence.

Correct Answer Logic:

Rule 801(d)(1)(B) defines as 'not hearsay' a prior consistent statement offered to rebut a charge of recent fabrication or improper influence/motive, provided the statement was made *before* the motive to lie arose.

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