Pakistan Navy Academic Test

He is senior ___ me.

1 Mark(s)

Your Answer:

than than
to to
from from
with with

They ___ to Delhi tomorrow.

1 Mark(s)

Your Answer:

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

She is bad ___ mathematics.

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Your Answer:

in in
at at
on on
with with

No sooner ___ he arrived than it started raining.

1 Mark(s)

Your Answer:

did did
had had
has has
was was

Choose the correct spelling:

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Your Answer:

Acommodate Acommodate
Accommodate Accommodate
Acomodate Acomodate
Accomodate Accomodate

One word for 'A person who loves books'

1 Mark(s)

Your Answer:

Bibliographer Bibliographer
Bibliophile Bibliophile
Librarian Librarian
Author Author

The comparative of 'Little' is:

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Your Answer:

Littler Littler
Less Less
Lesser Lesser
More little More little

The feminine of 'Actor' is:

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Your Answer:

Actoress Actoress
Actorette Actorette
Actress Actress
Lady actor Lady actor

Hardly ___ the station when the train left.

1 Mark(s)

Your Answer:

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

The synonym of 'Obsolete' is:

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Your Answer:

Modern Modern
New New
Outdated Outdated
Current Current

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 past participle of 'Swim' is:

1 Mark(s)

Your Answer:

Swimmed Swimmed
Swam Swam
Swum Swum
Swimming Swimming

The feminine of 'Prince' is:

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Your Answer:

Princeness Princeness
Princette Princette
Princess Princess
Lady prince Lady prince

Ryder Cup is associated with:

1 Mark(s)

Your Answer:

Golf Golf
Tennis Tennis
Polo Polo
Rugby Rugby

What is the capital of Greece?

1 Mark(s)

Your Answer:

Thessaloniki Thessaloniki
Sparta Sparta
Athens Athens
Corinth Corinth

What is the study of fungi called?

1 Mark(s)

Your Answer:

Mycology Mycology
Botany Botany
Biology Biology
Ecology Ecology

Who won Nobel Prize in two different sciences?

1 Mark(s)

Your Answer:

Marie Curie Marie Curie
Einstein Einstein
Pauling Pauling
Bardeen Bardeen

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

The Hundred Years' War was fought between:

1 Mark(s)

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

What is the largest gland in the human body?

1 Mark(s)

Your Answer:

Liver Liver
Pancreas Pancreas
Thyroid Thyroid
Pituitary Pituitary

The Battle of Marathon was fought between:

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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

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

1 Mark(s)

Your Answer:

Al Quaraouiyine Al Quaraouiyine
Oxford Oxford
Bologna Bologna
Cambridge Cambridge

Who wrote "War and Peace"?

1 Mark(s)

Your Answer:

Leo Tolstoy Leo Tolstoy
Dostoevsky Dostoevsky
Chekhov Chekhov
Pushkin Pushkin

Which gas smells like rotten eggs?

1 Mark(s)

Your Answer:

Chlorine Chlorine
Ammonia Ammonia
Hydrogen Sulfide Hydrogen Sulfide
Methane Methane

What family of instruments does a flute belong to?

1 Mark(s)

Your Answer:

Woodwind Woodwind
Brass Brass
Percussion Percussion
String String

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

1 Light Year is approx:

1 Mark(s)

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

Who discovered X-rays?

1 Mark(s)

Your Answer:

Roentgen Roentgen
Curie Curie
Edison Edison
Tesla Tesla

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

Which country has the most volcanoes?

1 Mark(s)

Your Answer:

Indonesia Indonesia
Japan Japan
USA USA
Chile Chile

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

The factorial of a negative integer is:

1 Mark(s)

Your Answer:

Positive Positive
Negative Negative
Zero Zero
Undefined Undefined

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

1 Mark(s)

Your Answer:

1 1
2 2
0 0
3 3

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

1 Mark(s)

Your Answer:

16 16
8 8
4 4
2 2

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

1 Mark(s)

Your Answer:

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

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

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

1 Mark(s)

Your Answer:

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

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

The gravitational potential energy at infinity is taken as:

1 Mark(s)

Your Answer:

Maximum Maximum
Zero Zero
Minimum Minimum
Infinite Infinite

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

1 Mark(s)

Your Answer:

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

Energy stored in a capacitor is:

1 Mark(s)

Your Answer:

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

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 $A$ 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
$n(A) + n(B)$ $n(A) + n(B)$

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

1 Mark(s)

Your Answer:

0 0
90 90
180 180
45 45

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

1 Mark(s)

Your Answer:

Positive Positive
Zero Zero
Negative Negative
Undefined Undefined

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

1 Mark(s)

Your Answer:

0 0
1 1
8.85 8.85
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

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

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

1 Mark(s)

Your Answer:

Power Power
Current Current
Frequency Frequency
Resistance Resistance

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

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

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

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

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

1 Mark(s)

Your Answer:

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

Slope of x-axis is:

1 Mark(s)

Your Answer:

0 0
1 1
Undefined Undefined
Infinite Infinite

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

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

1 Mark(s)

Your Answer:

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

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

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

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

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

$\pi$ radians equals:

1 Mark(s)

Your Answer:

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

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

1 Mark(s)

Your Answer:

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

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

When two water droplets merge, their surface area:

1 Mark(s)

Your Answer:

Increases Increases
Decreases Decreases
Remains same Remains same
Doubles Doubles

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 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)

Self-inductance of a coil depends on:

1 Mark(s)

Your Answer:

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

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

1 Mark(s)

Your Answer:

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

A proton consists of quarks:

1 Mark(s)

Your Answer:

uud uud
udd udd
uuu uuu
ddd ddd

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

1 Mark(s)

Your Answer:

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

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

1 Mark(s)

Your Answer:

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

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

1 Mark(s)

Your Answer:

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

Evaluating Your Answers

Pakistan Navy Academic Test : Question 1 of 75