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

Wood cannot be used to make  any  part of an   aircraft :-

For  circumferential   joints in   boilers , the type  of joints  used is ;-

The usual proportion   for the width of key  is   ;-

Malleability  increase   with temperature  :-

The lead angle  of a worm  is   22.5°. Its helix  angle  will be :-

Lift  produced by an airfoil  is  always  equal  to  weight ;-

A connecting rod  should be  :-

As the amount of  zinc  increase  strength of brass  ____________:-

Fuel requirement is not  affected by any factor :-

Wake of  a  canard  can stall the  engine :-

Wire ropes as compared to cotton ropes  ;-

Missiles are always free fall ;-

Which  country has  launched the world's  first methane fueled   space rocket ;-

Resilience  of a material  is   important , when it is subjected to ;-

In the late   1890s,   a brown colored  propellant  was  introduced,   which is called to  be -

The wear  load should  be  ________________  the dynamic   load ;-

A  key prevents   relative motion  between  the shafts and   boss of the pulley ;-

While firing  cadets   should  wear :-

The taper  on key is given on ;-

In block brakes , the ratio of   shoe width  to wheel   diameter is   taken between ;-

Important   safety  drill after  firing is called :-

For ground background  , camouflage   paint   scheme  consist   :-

Scraping   of lathe   bed  helps in :-

Stress  concentration  in static  loading is    very serious   in brittle  materials :-

Estimation  of take off   weight is an  iterative   method :-

The zero sequence reactance will be more than the positive sequence  reactance ,if the equipment is a:-

For measurement on high voltage capacitors , the suitable bridge is;-

Metal approach super conductivity conditions:-

Maxwell bridge is used to measure:-

is the property of absorbing  moistures from  atmosphere:-

A drawn wire of resistance 25 ohm is further drawn so that its diameter becomes one fifth. Its resistance will now be:-

In breakdown test , the test voltage  required for theses tests are usually of the order of:-

Why is single core cable not provided with armouring:-

A coil with negligible  resistance has 50V across it with 10mA. The inductive reactance is:-

What is the safe working temperature  for a conductor  in case of armoured cables:-

The frequency of voltage generated ,  in case of generators, can be increased by:-

The cable best suited for the transmission of voltage from33 kv to 66 kv  is:-

The  corona is affected by   __________:-

The operating voltage of extra high tension  cables is up to :-

The current in a chemical cell is movement of:-

±9 V supply is to be constructed using zinc carbon D cells. The total number of cells required will be:-

The material commonly used for insulation in high voltage cables is:-

On which factor does the resistivity of a material depends:-

A class A amplifier uses:-

In ______________ the resistance decrease with rise in temperature:-

Current changing  from8A to 12 A in one second  induced 20 volts in a coil. The value of  inductance is:-

A transformer core is laminated to:-

AC servomotor resembles;-

In a lead accumulator, the plates are placed close to each other, as it __________ the internal resistance of the accumulator;-

CC configuration is  used for impedance matching because :-

Which is the longest A 380 route:-

What is the frequency of interrogation pulse in secondary radar:-

Which is not true with respect to Loran C :-

In a  four channel  system ,  all  four  signals  transmitted  contain information;'-

What is  the  output  of  a  mixer  circuit  ;-

FBW has the power to reject pilot  inputs in extreme situation;-

Why are flaps deflected downwards;-

Which type is not used in an omega system:-

The intentional degradation of GPS signals in specific areas is called:-

What is the interval for updating data in the navigation database:-

The kinetic energy of the body only depends on the magnitude:-

Which determines the  direction of   antenna  beam  in ESA:-

The use of autopilot for landing using ILS does not depends on:-

In  a   regenerative   transponder    the  signal  is  demodulated  and  modulated  again before   transmission:-

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

Which is false with  respect to integrated  modular avionics architecture ;-

Which is not a part of avionic system:-

Navigational  functions  are  no  longer  available  if  the INS  shuts  down  in an FMS ;-

What is the speed at which the takeoff is aborted when there is an engine failure:-

Which  part of  the  transmitter  subsystem   modulated  the  baseband  signal ;-

How does mode S identifies each aircraft:-

AESA  can  alter  its  transmitting  and  receiving  patterns :-

Which advantages does the differential Loran C provide:-

The term canard is used to describe the __________ configuration of an aircraft:-

What is the gain in decibel if the amplifier has an input of 3 mV and output of 5 V:-

A thyristor  equivalent  of  a thyraton tube  is  a  ;-

According  to  sampling  theorem  :-

In strip chart recorders,  the  self balancing  potentiometers  plot  emf  as a  function of :-

PNP transistors are used as amplifier:-

Two resistors are said to be connected in a series when same current is passes in turn through both:-

A resistance having rating 10 ohms, 10 W is likely to be:-

Which element has four valence electrons:-

AC power  in a load  can be controlled by  using  ;-

__________ is  also known as  halftone  storage  :-

The Gauss  Jordan  method  reduces  a  original  matrix into :-

A  band pass signal  has :-

Which element has four valence electrons;-

A doped semi conductor is called____________________:-

Those magnetic materials are best suited for making armature and transformer cores which have _____________ hystersis loss:-

The function of  Zener  diode is :-

The total deficiency or excess of electrons in a body is known as:-

As the order  of  the filter  increase  , the  cost  ______________:-

Continuous  impulse  signal  is  a__________:-

The slewing  speed of X-Y  recorder  is ;-

_________ amplifier is used  to drive  the recorder :-

In the left hand rule, forefinger always represents;-

Conductance is the reciprocal of:-

Modulation  channel  consist of  ;-

Which emitter material usually needs less than 1000 V as plate voltage:-

Matched  filter  technique  is used to   ;-