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

Resilienceย  of a materialย  isย  ย important , when it is subjected to ;-

2 / 25

Tooling forย  ย cold workingย  is cheaper as compared to hot working :-

3 / 25

A key is subjected to tensileย  ย stresses :-

4 / 25

Basicย  safety rules are ;-

5 / 25

The ultimate strengthย  ofย  steelย  ย inย  tensionย  ย in comparisonย  to shear isย  in the ratio of :-

6 / 25

Nickel additionย  in alloysย  ย :-

7 / 25

What is full form of MPI :-

8 / 25

Modulusย  ofย  resilience is defined asย  :-

9 / 25

Yieldย  pointย  in fatigue loadingย  ย asย  compared to static loading is :-

10 / 25

Which factor affect creep :-

11 / 25

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

12 / 25

What isย  ย a type of handgun :-

13 / 25

The requirement of anย  ย aircraftย  ย will fall inย  _________ phase ;-

14 / 25

Which country has the second highest military expenditureย  for the yearย  ย 2021 :-

15 / 25

Civilย  and military requirementย  are same forย  ย conceptual design :-

16 / 25

Cast surface have goodย  finishing :-

17 / 25

Inconelย  isย  an alloyย  ofย  ย :-

18 / 25

Silicon additionย  in springย  ย steel increaseย  ย itsย  toughness ;-

19 / 25

Whichย  country hasย  launched the world'sย  first methane fueledย  ย space rocket ;-

20 / 25

Which is the definition ofย  ย compliance ;-

21 / 25

Which components is makingย  in aircraftย  ย wings ;-

22 / 25

Cold rivetingย  ย holds theย  ย connectedย  ย parts betterย  ย than hot riveting ;-

23 / 25

The loading on aย  ย pinionย  gear isย  usually ;-

24 / 25

Swaging is one of theย  ย processย  ofย  making plainย  ย bulletsย  :-

25 / 25

According to Indian standards ,ย  totalย  numbersย  ย of toleranceย  grades are ;-

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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

Kirchoff's first law is based on the principle of law of conservation of charge:-

2 / 25

On ampere hour basis the efficiency of a lead acid battery is the range:-

3 / 25

The highest voltage forย  transmittingย  electrical power in India is:-

4 / 25

A single stageย  transistorย  amplifier contains ______________ and associated circuitry;-

5 / 25

RF chokes are air cored to;-

6 / 25

When the battery is being discharged , the terminal voltage decrease with:-

7 / 25

Which test is used to ascertain whether the battery plates are defective or not;-

8 / 25

Carbon resistors are used extensively because they are;-

9 / 25

In a portable instrument , the controllingย  torque is provided by :-

10 / 25

The capacitance effect can be neglected in _________ transmission lines:-

11 / 25

In thermal power plantย  , heat from theย  flue gases is utilized in:-

12 / 25

A weston sychronoscope is a:-

13 / 25

A battery cell having an emf of 2.2 volts and an internal resistance of 0.03 ohms is connected to an external resistance of 0.10 ohms. The efficiency of battery was nearly:-

14 / 25

Buses, trains,ย  trolleysย  , hoistย  requires high starting torque and thereforeย  make use of:-

15 / 25

ยฑ9 V supply is to be constructed using zinc carbon D cells. If one of the cell is accidentally connected in reverse , what will be the output from the supply:-

16 / 25

A sensitive galvanometer producesย  large deflection for a :-

17 / 25

Demand factor is defined as maximum demand /____________________;-

18 / 25

Steam turbine commonly used in steam power station are:-

19 / 25

Resistivity of a wire depends on:-

20 / 25

In the normal operation of an SCR ,anode is __________ w.r.t cathode;-

21 / 25

An open coil has infinite resistanceย  and zero inductance:-

22 / 25

On which factor does theย  resistivity of material depends:-

23 / 25

The %age O2 by weight in atmosphere air is:-

24 / 25

Which is the source of heatย  generation in the cables:-

25 / 25

A perfect conductor has ______________ conductivity :-

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

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Avionics Engineering Tests Quiz

1 / 25

Gyros are used as feedback sensors in FBW:-

2 / 25

Which mode isย  usedย  forย  selectiveย  calling :-

3 / 25

An aircraft is turned right or leftย  , using the aileron:-

4 / 25

Theย  farย  fieldย  isย  alsoย  known asย  ;-

5 / 25

What is the component in which the output voltage is higher than the input voltage:-

6 / 25

FBWย  system requires an airย  dataย  system forย  ย control and stability ;-

7 / 25

Which is false with respect to TRN;-

8 / 25

___________ย  is used to produceย  continuousย  tuningย  over the desiredย  range ;-

9 / 25

What is the stereo sound warning system used;-

10 / 25

What is the number of system used for redundancy in a transmitting stations:-

11 / 25

Theย  satelliteย  in the earthย  station must beย  steerableย  even forย  aย  ย geosynchronousย  satellite :-

12 / 25

OLEDย  displaysย  is better than LED because :-

13 / 25

which instrumentย  producesย  frequency domain information;-

14 / 25

Which aircraft requires the longest runwayย  for take off:-

15 / 25

The architecture where each component had its own sensors, processing and display is called as:-

16 / 25

Air bus proposed an A380ย  plus, at the June 2017 Paris air show:-

17 / 25

The ESAย  controlsย  theย  ย beamย  by phaseย  ย shifters ;-

18 / 25

Whichย  isย  falseย  with respectย  toย  ย TRN;-

19 / 25

Which is notย  aย  resultย  of digitalย  implementation;-

20 / 25

There are two types of mission profile:-

21 / 25

What generatesย  theย  finalย  carrierย  frequency ;-

22 / 25

Theย  attenuation rate isย  alsoย  called ;-

23 / 25

which isย  notย  aย  form of pulseย  modulation;-

24 / 25

Which cannotย  beย  measuredย  ย in primary radar:-

25 / 25

AESAย  isย  moreย  reliableย  than PESA :--

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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

Pureย  silicon hasย  a resistivityย  ofย  :-

2 / 25

Which element has four valence electrons:-

3 / 25

An electrically neutral semi conductor has:-

4 / 25

A capacitor consist of how many conductors:-

5 / 25

Anode ofย  operational SCR isย  :-

6 / 25

A band passย  signalย  hasย  aย  Fourierย  transform equal to ;--

7 / 25

Voltageย  generatedย  byย  lightningย  isย  an exampleย  forย  ย ;-

8 / 25

Aย  Triacย  hasย  threeย  terminalย  viz :-

9 / 25

In a vacuum diode electrons are emitted from the filament itself;-

10 / 25

Transistorย  amplifierย  equation isย  VCE=ย  VCB + _________:

11 / 25

Transistor have not replaced vacuum tube because:-

12 / 25

The power dissipated in a pure capacitor is:-

13 / 25

The emf of an Edison cell, when full charged, is nearly:-

14 / 25

An ammeter shouldย  haveย  ย __________ resistance :-

15 / 25

Theย  principleย  ofย  operationย  ofย  LVDTย  is basedย  on the variation of ;-

16 / 25

Which consist ofย  ISI :-

17 / 25

In aย  communication systemย  , aย  processย  inย  which statisticalย  averagesย  and timeย  averagesย  are equalย  is called as :-

18 / 25

Theย  sizeย  ofย  airย  coredย  ย transducerย  in comparison to the iron core parts is :-

19 / 25

Pulseย  shapingย  is doneย  by which blockย  :-

20 / 25

OP-AMPย  isย  theย  abbreviation of :-

21 / 25

Forย  whichย  motorย  ย theย  speedย  canย  beย  controlledย  from rotorย  side :-

22 / 25

Storage oscilloscopeย  operatesย  on theย  principle of :-

23 / 25

Degaussing is the process of;-

24 / 25

Maximum rectification efficiency for a half wave rectifier is:-

25 / 25

Aย  modernย  powerย  semiconductorย  deviceย  that combinesย  the characteristics of BJTย  and MOSFETย  is ;-

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