Pak Navy Weapon Engineering MCQs with answers

How to Score High in Pak Navy Weapon Engineering MCQs Test?

If you’re aiming to join the Pak Navy through the Short Service Commission and want to secure a high score in the initial tests to get a merit seat, you’re in the right place. The Pak Navy Weapon Engineering MCQs offer a valuable opportunity for candidates to practice and refine their knowledge before sitting for the competitive exams.

By taking part in these free online practice tests, interested candidates can get familiar with the types of questions that will appear in the tests and boost their chances of making it through the ISSB. Whether you’re aiming for a position in the weapon engineering department or another branch, mastering the MCQs is a key step in your journey to becoming a part of Pakistanโ€™s prestigious Naval force and Naval forces of the world.

How to Excel in Pak Navy Initial Tests: Practice with Weapon Engineering MCQs

Q: The subsequent step after the requirements in conceptual design phase is _____
(a) design take-off gross weight
(b) control
(c) stability
(d) lofting
Answer: (a) design take-off gross weight

Q: The โ€œDesign take-off gross weightโ€ and โ€œmaximum take-off weightโ€ are always interchangeable.
(a) True
(b) False
Answer: (b) False

Q: Design take-off gross weight includes ______
(a) only fuel weight
(b) only crew weight
(c) only payload weight
(d) crew, payload and fuel weights
Answer: (d) crew, payload and fuel weights

Q: Avionics systems are an example of ____ weight.
(a) empty
(b) crew
(c) passenger
(d) payload
Answer: (d) payload

Q: Take-off gross weight of an aircraft is summation of _____
(a) empty and payload weight
(b) fuel, payload, crew, empty and miscellaneous weight
(c) fuel and crew weight
(d) only passenger and crew weight
Answer: (b) fuel, payload, crew, empty and miscellaneous weight

Q: In general, the fuel weight is represented by a fraction of total take-off weight.
(a) True
(b) False
Answer: (a) True

Q: A general aviation aircraft is flying with crew load of 115lb, payload of 220lb and fuel weight of 100lb. Find out the design take-off gross weight of the aircraft, given 95lb empty weight.
(a) 435lb
(b) 241lb
(c) 530lb
(d) 500lb
Answer: (c) 530lb

Q: A jet airliner aircraft is flying with crew load of 150kg, payload of 520lb and fuel weight of 500lb. Find out the empty weight if design take-off gross weight of the aircraft is given 1525lb.
(a) 79kg
(b) 79lb
(c) 170lb
(d) 355lb
Answer: (d) 355lb

Q: Cessna 172R has total gross weight of the 1110.98kg with fuel capacity of 210 kg and weight of crew and passenger is 125kg. Find out empty weight fraction.
(a) 775.98kg
(b) 69.84kg
(c) 0.6984
(d) 0.6984lb
Answer: (c) 0.6984

Q: A Jet transport aircraft is flying with crew load of 175kg, payload of 1400kg and fuel weight of 500kg. Find out Fuel to empty weight fraction, if design take-off gross weight of the aircraft is 5600lb.
(a) 0.1831
(b) 1.076
(c) 0.196
(d) 0.1418
Answer: (c) 0.196

Q: Wing and airfoil both are 3D phenomena.
(a) True
(b) False
Answer: (a) True

Q: A 3D airfoil is called _____________
(a) engine
(b) airfoil
(c) wing
(d) lofting
Answer: (c) wing

Q: If taper ratio is T and span is b with surface area as S then the root chord is _____
(a) Croot = 2S / (b(3+T))
(b) Croot = 2S / (b(1+T))
(c) Croot = 2S / (2b(1+T))
(d) Croot = 2S / (1+T)
**Answer: (b) Croot = 2S / (b*(1+T))**

Q: A wing has root chord of 2m and taper ratio of 0.5. Determine what will be the value of tip chord?
(a) 1.5
(b) 1.5m
(c) 1
(d) 1m
Answer: (d) 1m

Q: Wing planform is affected by _____
(a) sweep only
(b) aspect ratio, sweep angle, taper ratio
(c) aspect ratio only
(d) taper ratio only
Answer: (b) aspect ratio, sweep angle, taper ratio

Q: Wing aspect ratio is defined as _____
(a) span square plus reference area
(b) span square multiplied by reference area
(c) span square divided by reference area
(d) span square
Answer: (c) span square divided by reference area

Q: A typical wing has aspect ratio of 7 and span of 2m. If taper ratio T = 0.2 then, find the value of root chord.
(a) 0.4761m
(b) 0.61m
(c) 0.81m
(d) 0.71cm
Answer: (b) 0.61m

Q: If a sailplane is to be designed then, the aspect ratio of the sailplane will be ______
(a) same as military aircraft
(b) higher than military aircraft
(c) lower than military aircraft
(d) exactly half of the military aircraft
Answer: (b) higher than military aircraft

Q: A jet fighter is operating at Mach number of 1.4. Wing chord is 1m then, find the location of aerodynamic centre.
(a) 0.8m
(b) 0.4
(c) 0.4m
(d) 0.8
Answer: (c) 0.4m

Q: Which of the following is correct?
(a) Lofting is a conceptual design of wing
(b) Military aircraft have much higher aspect ratio
(c) Civil aircraft are flying at hypersonic speed
(d) Weight will be more for higher aspect ratio wing
Answer: (a) Lofting is a conceptual design of wing

Q: Which type of wing planform is shown below?
Find the type of wing planform shown in the given diagram
(a) Tapered wing
(b) Elliptic wing
(c) Rectangular wing
(d) Delta wing
Answer: (d) Delta wing

Q: Determine the corrections or otherwise of the following assertion [A] and reason [R]:
Assertion [A]: Taper ratio will affect the weight of wing.
Reason [R]: For finite taper ratio, wing thickness will be different at root and tip.
(a) Both [A] and [R] are true and [R] is the correct reason for [A]
(b) Both [A] and [R] are true but [R] is not the correct reason for [A]
(c) [A] is true but [R] is false
(d) [A] is false but [R] is true
Answer: (a) Both [A] and [R] are true and [R] is the correct reason for [A]

Q: A twin turboprop engine is flying with 120m/s. Wing of the aircraft has span of 2m and lift co-efficient as 0.15 with aspect ratio as 9.2. Find the lift produced by the wing.
(a) 574.18
(b) 574.18 N
(c) 120 N
(d) 620 N
Answer: (b) 574.18 N

Related: Eligibility Criteria and Selection Procedure in Pak Navy Weapon Engineering Branch

Join Pak Navy through Short Service Commission: Prepare with Weapon Engineering MCQs

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Weapon Engineering Tests Quiz

1 / 25

By cocking the hammer back,ย  the cylinderย  rotatesย  ย in one directionย  ย to alignย  ย next chamberย  ย to theย  barrelย  for firing :-

2 / 25

Supersonicย  ย wave dragย  can be reducedย  ย by using ;-

3 / 25

What is fatigue strength :-

4 / 25

Which cotter joint willย  ย be usedย  to connectย  ย strapย  end ofย  a connectingย  ย rod :-

5 / 25

Use of multipleย  ย notchesย  ย in a V shaped flatย  ย plate will ;-

6 / 25

Groupingย  fire is doneย  on which target :-

7 / 25

A tapered keyย  ย which fits inย  a keyย  wayย  ย in the hubย  andย  is flatย  ย onย  the shaftsย  ย is known as ;-

8 / 25

Which will produce the lowest drag :-

9 / 25

The size of a gear is usuallyย  specifiedย  by :-

10 / 25

The periodย  ย duringย  whichย  the cam follower remainsย  ย at rest , when cam movesย  is known as ;-

11 / 25

The belt slipย  ย occurs due toย  :-

12 / 25

Which is not an aircraftย  ย propulsion system ;-

13 / 25

What are type ofย  ย Weapon cleaning :-

14 / 25

Duringย  ย hot working of metals,ย  ย porosity of the metalย  is largelyย  eliminated ;-

15 / 25

Evaluate requiredย  ย scale factor ifย  ย ratio ofย  weight ofย  ย the rubber engineย  ย and the actualย  ย selectedย  ย engine is 0.8 :-

16 / 25

Gears are casted by ;-

17 / 25

The hot rolledย  shaftingย  is strongerย  than coldย  rolled shafting :-

18 / 25

The term 'gun withย  aย  hook 'ย  is usedย  for whichย  firearm :-

19 / 25

The Bhumi shastraย  ย magazineย  of theย  weaponย  will beย  facing :-

20 / 25

The coldย  rolledย  ย shaftingย  is strongerย  ย than hotย  ย rolled shafting :-

21 / 25

When was the firstย  documentedย  ย useย  of a handย  ย cannonย  ย as cavalry weaponย  ย in manuscripts :-

22 / 25

Trย  40 x 14( p 7),ย  ย here 14 indicates :-

23 / 25

Materialย  with ____________ are typically usedย  in aircraftย  ย construction :-

24 / 25

Diameter ofย  ย theย  chamberย  in a firearmย  ย is slightlyย  greater than the diameterย  ย of theย  catridgeย  to be fired :-

25 / 25

Whereย  didย  largest and mostย  ย advancedย  nuclear fusionย  reactorย  , JT-60SAย  startย  ย operations :-

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Free Online Practice Tests for Pak Navy Weapon Engineering: Boost Your Chances of Getting a Merit Seat (Electrical Engineering MCQs)

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Electrical Engineering Tests Quiz

1 / 25

Class C amplifiers are used as:-

2 / 25

The ripple voltage forย  half wave rectifier is :-

3 / 25

The term ' Cogging' is associated with:-

4 / 25

In graphite, bonding is:-

5 / 25

The function of shunt in an ammeter is to :-

6 / 25

At low value of power factor , the cost of generation of a power stationย  will be:-

7 / 25

The self inductance of solenoid depends on;-

8 / 25

Economiser is used to heat:-

9 / 25

The thickness of laminationย  used in transformerย  is usually:-

10 / 25

The chemical effect of current is used in :-

11 / 25

__________ variety of the copper has the best conductivity:-

12 / 25

The conduction of electricity in semiconductor , take place due to movement of:-

13 / 25

Sparking at the commutatorย  of a DC motor may result in :-

14 / 25

In a transformer the resistance between its primary and secondary should be:-

15 / 25

The tiny blocks formedย  by the arrangement ofย  a small group of atoms is called:-

16 / 25

For measuring current at high frequency we should use:-

17 / 25

In coal preparation plant, magnetic separators are used to remove:-

18 / 25

Power amplifiers handleย  _______________ signalsย  compare to voltage amplifiers:-

19 / 25

An SCR behaves as a ____________ switch:-

20 / 25

Which of the following is measured by usingย  a vector voltmeter:-

21 / 25

Solid grounding is used forย  voltages;-

22 / 25

Negative voltage regulation isย  indicative that the load is:-

23 / 25

A potentiometer may be usedย  for :-

24 / 25

When either L or Cย  is increased, the resonant frequency of LC circuit:-

25 / 25

The value of supply voltage for 500 W ohm load is:-

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Related: Past Papers of Pak Navy Ordnance Branch Initial Tests

Free Online practice of Pak Navy Weapon Engineering MCQs (Avionics MCQs)

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Avionics Engineering Tests Quiz

1 / 25

Which ensures standardization of ATM services worldwide:-

2 / 25

You have 5 information signals and one transmitter. What technique will help in transmitting all the 5 signals:-

3 / 25

Which technique in Loran allows the use of single transmitter stations in two chains:-

4 / 25

Howย  does modeย  Sย  identifyย  each aircraft :-

5 / 25

The attenuation roll is also called:-

6 / 25

which doesย  notย  belongย  to the Rย  -2Rย  converter:-

7 / 25

Theย  time period taken byย  theย  satelliteย  toย  completeย  oneย  orbitย  isย  calledย  :-

8 / 25

What is DVI control:-

9 / 25

Why are actuators used in FBW system;-

10 / 25

Toย  useย  aย  satelliteย  forย  communication relay orย  repeaterย  purposesย  what type of orbitย  willย  ย be theย  best;-

11 / 25

Whichย  antennasย  producesย  aย  verticalย  radiation pattern ;-

12 / 25

In what type of display is the image projected directly to the retina of the pilot :-

13 / 25

The main components of and ILS on the ground:-

14 / 25

What type ofย  multiplexingย  isย  widelyย  usedย  in cellphones ;-

15 / 25

In helicopters tail rotor is used to control:-

16 / 25

What %ageย  ย ofย  theย  earthย  can communication satelliteย  see:-

17 / 25

What are the sensorsย  usedย  in combinationย  with aย  raster mode HUD ;-

18 / 25

Which isย  not oneย  of the type ofย  drivenย  arrayย  antenna :-

19 / 25

What is the minimum number of transmitter station required for a Loran system :-

20 / 25

Why isย  the cost effective solution for UAVย  displays :-

21 / 25

What is the componentย  in which the outputย  voltage is higher than theย  input voltage :-

22 / 25

The satelliteย  is acceleratingย  as itย  orbitsย  theย  earth ;-

23 / 25

Which is not the function of the monitoring facility in Omega system:-

24 / 25

Flightย  control systemย  ย comesย  underย  theย  category of ;-

25 / 25

What filter is used by the FMS to estimate the position of the aircraft from various sensors:-

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More Pak Navy Weapon Engineering MCQs for Surface, Aviation and Submarine Branch

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Electronics Engineering Tests Quiz

1 / 25

Which element does not have five valence electrons:-

2 / 25

In X-Yย  recordersย  ,ย  the self balancingย  potentiometersย  plotย  emfย  as a function of :-

3 / 25

In aย  gradedย  index fiber,ย  theย  totalย  reflectedย  light takes a :-

4 / 25

A semi conductor that is electrically neutral has:-

5 / 25

A PNP transistor has a water of an N-type semi conductor forming two junctions with two P-type semiconductor;-

6 / 25

Transmissionย  mediaย  usedย  in lowย  frequencyย  bandย  are :-

7 / 25

Which isย  used inย  heat sin ;-

8 / 25

The materialย  used toย  coatย  insideย  the face of CRT is :-

9 / 25

Transistor have not replaced vacuum tube because:-

10 / 25

Theย  maximumย  likelihoodย  function isย  :-

11 / 25

The crystal structure of silicon is:-

12 / 25

It is noticed that during discharging which does not happen:-

13 / 25

The forbidden energy gap between the valence band and conduction band will be the least in case of:-

14 / 25

The impurities added to extrinsic semiconductor is of the order of:-

15 / 25

In strip chart recorders,ย  theย  self balancingย  potentiometersย  plotย  emfย  as aย  function of :-

16 / 25

The filament of a vacuum tube can be heated by:-

17 / 25

Degaussing is the process of;-

18 / 25

Aย  Triacย  isย  aย  ;-

19 / 25

Howย  canย  power spectralย  densityย  ofย  nonย  periodicย  signalย  be calculated :-

20 / 25

Fidelityย  representย  reproduction ofย  phase relation;-

21 / 25

Schemesย  usingย  polarizingย  technique needย  birefringentย  fiber ;-

22 / 25

Whichย  transformationsย  areย  allowedย  in the Gaussย  Jordan method :-

23 / 25

Latchingย  currentย  ย is related toย  conductionย  process ofย  ย device ;-

24 / 25

A FET is a _________ controlled device:-

25 / 25

Which semi conductor is elastically positive:-

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