Reading Mode - Questions

Capricious means given to sudden and unaccountable changes of mood or behavior. Its antonym is 'constant,' meaning unchanging and steady in behavior or opinions.

Uploaded by: Fani Warraich

Math Physics Chemistry Biology QUESTION #4333

Question 730

Reversible inhibitors differ from irreversible inhibitors because they:

Bind permanently and cannot be removed
Bind temporarily and can be removed✔️
Permanently inactivate the enzyme
Change enzyme structure permanently

Correct Answer Logic:

Reversible inhibitors bind through weak, non-covalent interactions and can be removed, restoring enzyme activity. Irreversible inhibitors form permanent covalent bonds with the enzyme.

Uploaded by: Fani Warraich

Physics QUESTION #7229

Question 731

The dimensional formula of angular momentum is:

$ML^2T^{-1}$✔️
$M^2L^2T^{-2}$
$M^1L^2T^{-3}$
$M^1L^3T^{-1}$

Correct Answer Logic:

Angular momentum $L = I\omega = mvr$ (for a particle)

$[L] = [m][v][r] = M \cdot LT^{-1} \cdot L = ML^2T^{-1}$

This is the same as the dimension of Planck's constant $h$, which makes sense since $E = h\nu$ and angular momentum appears in quantum mechanics through $\hbar = h/2\pi$.

Uploaded by: Fani Warraich

Boilers Mechanical Engineering QUESTION #2421

Question 732

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: $R_{total}=\frac{1}{h_1A}+\frac{L_1}{k_1A}+\frac{L_2}{k_2A}+\cdots+\frac{1}{h_2A}$.

Uploaded by: Fani Warraich

Tourism & Hospitality Management QUESTION #1656

Question 733

The Emerging Trends course covers 'the future of global aviation' including commercial jetliner history and forecasts. Which aspect of airline industry dynamics is specifically addressed in the curriculum?

The environmental impact of aviation on global warming only
Commercial jetliner history and forecast, companies and airlines, negotiation positions, and negotiation options in the context of fleet renewal and market competition✔️
The social media marketing strategies of major airlines
Pilot training requirements under ICAO standards

Correct Answer Logic:

Module 6 of the Emerging Trends course — 'Future of Global Aviation' — specifically covers: Commercial Jetliners history and forecast, Companies and Airlines competitive landscape, Negotiation positions, and Negotiation options — examining how airline manufacturers, lessors, and airlines negotiate fleet decisions and how these shape the future capacity and connectivity of global tourism.

Uploaded by: Fani Warraich

English QUESTION #8505

Question 734

The cube was shared _______ Amjad and me.

with
to
between✔️
among

Correct Answer Logic:

'Between' is used for two entities.

Uploaded by: Fani Warraich

Planning QUESTION #4958

Question 735

Which technique is most effective for reducing urban heat island effect?

Increasing building density
Expanding asphalt surfaces
Green infrastructure and tree planting✔️
Removing vegetation

Correct Answer Logic:

Green infrastructure (green roofs, urban forests, parks) reduces urban heat island effect through evapotranspiration, shading, and lower surface temperatures compared to concrete and asphalt.

Uploaded by: Fani Warraich

Physics and Math QUESTION #760

Question 736

A non-negative rational number is group under:

Addition✔️
Multiplication
Subtraction
Both A and C

Correct Answer Logic:

Non-negative rational numbers form a group under addition as they satisfy closure, associativity, identity (0), and inverse properties.

Uploaded by: Fani Warraich

Physics QUESTION #985

Question 737

A symmetric thin biconvex lens is cut into four equal parts by two planes $AB$ and $CD$. If the power of the original lens is 4 D, then the power of a part of the divided lens is:

1 D
8 D✔️
2 D
4 D

Correct Answer Logic:

Cutting along $AB$ (perpendicular to axis) halves the lens — each half-lens has the same radii but acts as a plano-convex lens; power doubles to 8 D. Cutting along $CD$ (along the axis) does not change power. Each quarter piece has power 8 D.

Uploaded by: Fani Warraich