Pakistan Navy Academic Test

One word for 'A person who loves books'

1 Mark(s)

Your Answer:

Bibliographer Bibliographer
Bibliophile Bibliophile
Librarian Librarian
Author Author

No sooner ___ he arrived than it started raining.

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Your Answer:

did did
had had
has has
was was

She is bad ___ mathematics.

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Your Answer:

in in
at at
on on
with with

The feminine of 'Actor' is:

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Your Answer:

Actoress Actoress
Actorette Actorette
Actress Actress
Lady actor Lady actor

The feminine of 'Prince' is:

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Your Answer:

Princeness Princeness
Princette Princette
Princess Princess
Lady prince Lady prince

Hardly ___ the station when the train left.

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Your Answer:

I reached I reached
I have reached I have reached
had I reached had I reached
I had reached I had reached

They ___ to Delhi tomorrow.

1 Mark(s)

Your Answer:

go go
goes goes
will be going will be going
went went

The comparative of 'Little' is:

1 Mark(s)

Your Answer:

Littler Littler
Less Less
Lesser Lesser
More little More little

The indirect speech of 'He said, "I am busy"' is:

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Your Answer:

He said he is busy He said he is busy
He said I was busy He said I was busy
He said he was busy He said he was busy
He says he is busy He says he is busy

The synonym of 'Obsolete' is:

1 Mark(s)

Your Answer:

Modern Modern
New New
Outdated Outdated
Current Current

Choose the correct spelling:

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Your Answer:

Acommodate Acommodate
Accommodate Accommodate
Acomodate Acomodate
Accomodate Accomodate

He is senior ___ me.

1 Mark(s)

Your Answer:

than than
to to
from from
with with

The past participle of 'Swim' is:

1 Mark(s)

Your Answer:

Swimmed Swimmed
Swam Swam
Swum Swum
Swimming Swimming

What does GPS stand for?

1 Mark(s)

Your Answer:

General Position System General Position System
Geographic Positioning Service Geographic Positioning Service
Global Positioning System Global Positioning System
Ground Position Satellite Ground Position Satellite

What family of instruments does a flute belong to?

1 Mark(s)

Your Answer:

Woodwind Woodwind
Brass Brass
Percussion Percussion
String String

What is the study of fungi called?

1 Mark(s)

Your Answer:

Mycology Mycology
Botany Botany
Biology Biology
Ecology Ecology

Who invented the periodic table?

1 Mark(s)

Your Answer:

Marie Curie Marie Curie
John Dalton John Dalton
Dmitri Mendeleev Dmitri Mendeleev
Antoine Lavoisier Antoine Lavoisier

Hard water contains salts of:

1 Mark(s)

Your Answer:

Calcium and Magnesium Calcium and Magnesium
Sodium and Potassium Sodium and Potassium
Iron and Copper Iron and Copper
Lead and Zinc Lead and Zinc

What is the capital of Greece?

1 Mark(s)

Your Answer:

Thessaloniki Thessaloniki
Sparta Sparta
Athens Athens
Corinth Corinth

The oldest university in the world (continuous operation) is:

1 Mark(s)

Your Answer:

Al Quaraouiyine Al Quaraouiyine
Oxford Oxford
Bologna Bologna
Cambridge Cambridge

Which country has the most volcanoes?

1 Mark(s)

Your Answer:

Indonesia Indonesia
Japan Japan
USA USA
Chile Chile

The Hundred Years' War was fought between:

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Your Answer:

England and France England and France
France and Germany France and Germany
Spain and Portugal Spain and Portugal
Rome and Carthage Rome and Carthage

1 Light Year is approx:

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Your Answer:

9.46 trillion km 9.46 trillion km
300,000 km 300,000 km
150 million km 150 million km
1 billion km 1 billion km

What is the largest gland in the human body?

1 Mark(s)

Your Answer:

Liver Liver
Pancreas Pancreas
Thyroid Thyroid
Pituitary Pituitary

Who wrote "War and Peace"?

1 Mark(s)

Your Answer:

Leo Tolstoy Leo Tolstoy
Dostoevsky Dostoevsky
Chekhov Chekhov
Pushkin Pushkin

Who won Nobel Prize in two different sciences?

1 Mark(s)

Your Answer:

Marie Curie Marie Curie
Einstein Einstein
Pauling Pauling
Bardeen Bardeen

Ryder Cup is associated with:

1 Mark(s)

Your Answer:

Golf Golf
Tennis Tennis
Polo Polo
Rugby Rugby

The Battle of Marathon was fought between:

1 Mark(s)

Your Answer:

Greeks and Persians Greeks and Persians
Romans and Carthaginians Romans and Carthaginians
Greeks and Trojans Greeks and Trojans
British and French British and French

Who discovered X-rays?

1 Mark(s)

Your Answer:

Roentgen Roentgen
Curie Curie
Edison Edison
Tesla Tesla

Which gas smells like rotten eggs?

1 Mark(s)

Your Answer:

Chlorine Chlorine
Ammonia Ammonia
Hydrogen Sulfide Hydrogen Sulfide
Methane Methane

Who wrote "Harry Potter" series?

1 Mark(s)

Your Answer:

J.K. Rowling J.K. Rowling
Roald Dahl Roald Dahl
C.S. Lewis C.S. Lewis
Philip Pullman Philip Pullman

Which quadrant is $\theta$ in if $\sin\theta < 0$ and $\cos\theta > 0$?

1 Mark(s)

Your Answer:

I I
II II
III III
IV IV

If $\sin \theta = \cos \theta$, then $\theta$ is:

1 Mark(s)

Your Answer:

$45^\circ$ $45^\circ$
$90^\circ$ $90^\circ$
$0^\circ$ $0^\circ$
$30^\circ$ $30^\circ$

If $\vec{a} \cdot \vec{b} = |\vec{a}| |\vec{b}|$, angle is:

1 Mark(s)

Your Answer:

0 0
90 90
180 180
45 45

Current passing through a choke coil is called:

1 Mark(s)

Your Answer:

Eddy current Eddy current
Direct current Direct current
RMS current RMS current
Wattless current Wattless current

Slope of x-axis is:

1 Mark(s)

Your Answer:

0 0
1 1
Undefined Undefined
Infinite Infinite

If a dielectric slab is inserted in a capacitor, the potential difference (isolated):

1 Mark(s)

Your Answer:

Increases Increases
Decreases Decreases
Remains same Remains same
Becomes zero Becomes zero

Energy stored in a capacitor is:

1 Mark(s)

Your Answer:

$1/2 LI^2$ $1/2 LI^2$
$1/2 CV^2$ $1/2 CV^2$
$QV^2$ $QV^2$
$CV$ $CV$

$\sin(\pi/2 + \theta)$ is equal to:

1 Mark(s)

Your Answer:

$\cos \theta$ $\cos \theta$
$-\cos \theta$ $-\cos \theta$
$\sin \theta$ $\sin \theta$
$-\sin \theta$ $-\sin \theta$

The degree of $\frac{d^3y}{dx^3} + (\frac{dy}{dx})^4 = 0$ is:

1 Mark(s)

Your Answer:

$4$ $4$
$1$ $1$
$3$ $3$
$0$ $0$

Which of the following quantities is a scalar?

1 Mark(s)

Your Answer:

Torque Torque
Work Work
Momentum Momentum
Electric Field Intensity Electric Field Intensity

Integration by parts formula: $\int u dv =$

1 Mark(s)

Your Answer:

$uv - \int v du$ $uv - \int v du$
$uv + \int v du$ $uv + \int v du$
$u \int v du$ $u \int v du$
$vu - \int u dv$ $vu - \int u dv$

A proton consists of quarks:

1 Mark(s)

Your Answer:

uud uud
udd udd
uuu uuu
ddd ddd

Radius of $x^2 + y^2 = 16$ is:

1 Mark(s)

Your Answer:

16 16
8 8
4 4
2 2

The degree of the differential eq $(y'')^3 + y' = 0$ is:

1 Mark(s)

Your Answer:

1 1
2 2
0 0
3 3

Stationary points occur where $f'(x)$ is:

1 Mark(s)

Your Answer:

Positive Positive
Zero Zero
Negative Negative
Undefined Undefined

Maximum power transfer occurs when internal resistance ($r$) is equal to:

1 Mark(s)

Your Answer:

Zero Zero
External Resistance ($R$) External Resistance ($R$)
Infinite Infinite
Half of External Resistance Half of External Resistance

The $n^{th}$ term of Geometric Progression is:

1 Mark(s)

Your Answer:

$ar^n$ $ar^n$
$a + (n-1)d$ $a + (n-1)d$
$a/r^n$ $a/r^n$
$a r^{n-1}$ $a r^{n-1}$

The dielectric constant ($K$) for a metal is:

1 Mark(s)

Your Answer:

0 0
1 1
8.85 8.85
Infinite Infinite

Which of the following is the correct unit vector in the direction of vector $\vec{A}$?

1 Mark(s)

Your Answer:

$|\vec{A}|\vec{A}$ $|\vec{A}|\vec{A}$
$\vec{A} . |\vec{A}|$ $\vec{A} . |\vec{A}|$
$\frac{\vec{A}}{|\vec{A}|}$ $\frac{\vec{A}}{|\vec{A}|}$
$\frac{|\vec{A}|}{\vec{A}}$ $\frac{|\vec{A}|}{\vec{A}}$

Law of Sines is used when given:

1 Mark(s)

Your Answer:

SSS SSS
SAS SAS
Three angles Three angles
Two angles and a side Two angles and a side

When two water droplets merge, their surface area:

1 Mark(s)

Your Answer:

Increases Increases
Decreases Decreases
Remains same Remains same
Doubles Doubles

The gravitational potential energy at infinity is taken as:

1 Mark(s)

Your Answer:

Maximum Maximum
Zero Zero
Minimum Minimum
Infinite Infinite

Two vectors are considered equal if they have:

1 Mark(s)

Your Answer:

Same magnitude only Same magnitude only
Same magnitude and direction Same magnitude and direction
Same initial point Same initial point
Same endpoint Same endpoint

The intercept made by line $x/a + y/b = 1$ on x-axis is:

1 Mark(s)

Your Answer:

$b$ $b$
$1$ $1$
$a$ $a$
$0$ $0$

Photoelectric effect demonstrates:

1 Mark(s)

Your Answer:

Particle nature of light Particle nature of light
Wave nature of light Wave nature of light
Dual nature Dual nature
Interference Interference

The center of mass of a uniform circular ring is located:

1 Mark(s)

Your Answer:

On the circumference On the circumference
Inside the material Inside the material
At the top At the top
Outside the ring (center) Outside the ring (center)

The gain of a Non-Inverting Op-Amp is:

1 Mark(s)

Your Answer:

$-R_f/R_{in}$ $-R_f/R_{in}$
$R_f/R_{in}$ $R_f/R_{in}$
$1 + R_f/R_{in}$ $1 + R_f/R_{in}$
$1 - R_f/R_{in}$ $1 - R_f/R_{in}$

Distance of point $P(x,y)$ from origin is:

1 Mark(s)

Your Answer:

$x+y$ $x+y$
$x^2+y^2$ $x^2+y^2$
$|x-y|$ $|x-y|$
$\sqrt{x^2+y^2}$ $\sqrt{x^2+y^2}$

The core of a transformer is laminated to reduce:

1 Mark(s)

Your Answer:

Eddy Current loss Eddy Current loss
Hysteresis loss Hysteresis loss
Copper loss Copper loss
Flux leakage Flux leakage

Petrol engine works on:

1 Mark(s)

Your Answer:

Otto Cycle Otto Cycle
Diesel Cycle Diesel Cycle
Carnot Cycle Carnot Cycle
Rankine Cycle Rankine Cycle

The roots of $x^2 - 4x + 4 = 0$ are:

1 Mark(s)

Your Answer:

Real and unequal Real and unequal
Imaginary Imaginary
Rational Rational
Real and equal Real and equal

Population inversion is necessary for:

1 Mark(s)

Your Answer:

X-ray production X-ray production
Photoelectric effect Photoelectric effect
Laser production Laser production
Nuclear fission Nuclear fission

Self-inductance of a coil depends on:

1 Mark(s)

Your Answer:

Current Current
Voltage Voltage
Time Time
Number of turns Number of turns

Roots of $x^2 - 5x + 6 = 0$ are:

1 Mark(s)

Your Answer:

$2, 3$ $2, 3$
$1, 6$ $1, 6$
$-2, -3$ $-2, -3$
$5, 6$ $5, 6$

A ball is dropped from a tower. The distance covered in time $t$ is proportional to:

1 Mark(s)

Your Answer:

$t$ $t$
$t^2$ $t^2$
$1/t$ $1/t$
$\sqrt{t}$ $\sqrt{t}$

The factorial of a negative integer is:

1 Mark(s)

Your Answer:

Positive Positive
Negative Negative
Zero Zero
Undefined Undefined

$\pi$ radians equals:

1 Mark(s)

Your Answer:

$360^\circ$ $360^\circ$
$90^\circ$ $90^\circ$
$180^\circ$ $180^\circ$
$270^\circ$ $270^\circ$

$d/dx (x^2)$ is:

1 Mark(s)

Your Answer:

$2x$ $2x$
$x$ $x$
$2$ $2$
$x^2$ $x^2$

Critical points of a function are values of $x$ where:

1 Mark(s)

Your Answer:

$f'(x)=0$ or undefined $f'(x)=0$ or undefined
$f(x)=0$ $f(x)=0$
$f''(x)=0$ $f''(x)=0$
Limit DNE Limit DNE

If $A$ and $B$ are disjoint sets, then $n(A \cup B)$ is:

1 Mark(s)

Your Answer:

$n(A) \cdot n(B)$ $n(A) \cdot n(B)$
$n(A) - n(B)$ $n(A) - n(B)$
0 0
$n(A) + n(B)$ $n(A) + n(B)$

$\int e^{2x} dx$ is:

1 Mark(s)

Your Answer:

$0.5 e^{2x}$ $0.5 e^{2x}$
$2 e^{2x}$ $2 e^{2x}$
$e^{2x}$ $e^{2x}$
$e^x$ $e^x$

At which point is the kinetic energy of a simple pendulum maximum?

1 Mark(s)

Your Answer:

Extreme position Extreme position
Mean position Mean position
Midway Midway
Suspension point Suspension point

If a light body and heavy body have same kinetic energy, which has greater momentum?

1 Mark(s)

Your Answer:

Light body Light body
Heavy body Heavy body
Both equal Both equal
Cannot determine Cannot determine

If a step-up transformer increases voltage, it decreases:

1 Mark(s)

Your Answer:

Power Power
Current Current
Frequency Frequency
Resistance Resistance

Evaluating Your Answers

Pakistan Navy Academic Test : Question 1 of 75