W/M S 1

wireman july 15 sem 1

The fire extinguisher suitable for a line electrical fire is..................
A water'   B halon   C foam   D carbon dioxide

In the case of injuries, the suitable method of artificial respiration is given when the mouth is not able to open..................
A Nelson's artificial respiration
B Schafer's artificial respiration
C mouth to nose artificial respiration
D mouth to mouth artificial respiration

Tool used for cutting, twisting holding and gripping of a small job is..................
A  combination pliers  B  flat nose pliers
C  round nose pliers    D  side cutting pliers

Which one of the following material is NOT a good insulator?
A Plastic   B Copper   C Rubber   D Porcelain

The size of an engineer's vice is specified by its...................
A  height of the vice    B  width of the vice   C  maximum open of the jaws  D  length of the movable jaws

The unit of power is..............
A volt    B watt    C amp    D ohm

A 9 volt battery is connected to a 3 ohm resistor, then the current is..................
A   1 amp     B   2 amp     C   3 amp    D   4 amp

The spanner used in less space and higher lever required is..................
A  box spanner    B  ring spanner    C  double end spanner    D  adjustable spanner

Which electrical device is an example medium resistance?
A  Shunt resistance      B  Contact resistance
C  Heaters resistance    D Armature winding resistance

Which one is NOT an electrical conducting material?
A Glass    B Copper    C Aluminium   D Silver

In which material, if the temperature is increased then the resistance will decrease?
A Manganese   B Nichrome   C Carbon   D Tungsten

Which law states that the sum of currents meeting at junction is equal to zero?
A Coulombs law  B Ohms law  C Kirchhoffs voltage law  D Kirchhoffs current law

The increase in resistance per ohm per degree centigrade..............
A   difference in temperature   B   positive temperature co-efficient
C   linear co-efficient               D   negative temperature co-efficient

coil instrument works on the effect of..................
A chemical effect  B electromagnetic effect   C heating effect   D electrostatic effect

Material used in permanent magnet is...................
A  silicon steel  B  wrought iron  C  alnico   D  y- alloy

The division of the scale on the moving iron instrument is....................
A initially crowded gradually widen scale    B initially widen gradually crowded scale
C uniformaily graduated scale                     D not uniformaily graduated scale

Which type of tool is used for making holes on wooden articles?
A Poker  B Gimlet  C Bradawl  D Scriber

in which type of accessory the intermediate switch belongs?
A   Holding accessories          B   Safety accessories
C   Controlling accessories     D  Outlet accessories

Tree system of wiring suitable for.............
A   single storeyed building        B   multi storeyed building
C  industrial wiring installation  D   cinema hall wiring

The colour of light emitted by sodium vapour lamp is..........
A  yellowish light    B  bluish light   C  reddish light  D  greenish light

Type of wiring system suitable for installation of motor with TPIC main switch is...........
A  rigid metal conduit    B   flexible metal conduit
C   PVC conduit wiring  D  PVC channel wiring

If starter removed from the fluorescent lamp circuit, the tube lamp will......................
A  flicker    D  not glow   C  operate normally   D  being to hum

The resistor connected to the auxiliary, electrode of the mercury vapour.iamp is to
A limit starting current   B improve power factor
C boost up the voltage     D save the energy

The type of conduit junction box is used to connect three directional circuit is...................
A  three way solid junction box B  four way solid junction box
C  two way solid junction box   D  three way solid inspection junction box

The earthing protects the equipment from........
A  leakage current  B   breakdown current  C  lightening strokes  D  surge voltage

The most suitable joint made to extend the length of bare conductor is..................
A  brittania joint   B  scarfed joint   C  married joint   D  western union joint

As per ISI code regulation lighting circuit should not be more than....................
A  600 watts   B  800 watts  C  1000 watts   D  1200 watts

As per ISI code the colour of the earth wire is..............
A red   B black   C green  D gray

The type of switch used in stair case wiring is................
A  one way switch   B   intermediate switch   C  two way switch   D  toggle switch

All the light fitting from the ground level should not be less than...............
A  1.5m   B   2.0 m   C   2.2 m   D   2.5 m

Switch should be installed from the floor level is.....................
A 1.0 m B 1.2 m C 1.3m  D 1.5m

While fixing screws on the batten the distance between screws is.............
A   75 cm B  70 cm C  65 cm D  60 cm

In the horizontal run the distance between the link clips is..................
A 10 cm B 15 cm C 20 cm D   25 cm

TRS cables used on batten wiring is suitable for................
A  high voltage B   extra high voltage  C   low voltage  D   medium voltage

Batten wiring is recommended for..............
A temporary wiring  B permanent wiring  C industrial wiring  D power wiring

The switch and accessory boxes not to be earthed, If they are made of....................
A  metal box  B  sheet metal box  C  PVC box  D  Cast iron box

In a tunnel wiring the type of switch used is..............
A two way switch    B   one way  C intermediate switch  D  push button switch

The minimum thickness of the wall of the PVC box is..................
A  2.5 mm C 2.2 mm   B 2.3 mm D 2.0 mm

The megger used for measuring the insulations resistance in medium voltage wiring, must have the voltage rating of..............
A 3000 V B  1000 V C 2000 V D  500 V

Normal current carrying capacity of 1.5 sq.mm copper cable is..............
A 16A  B 14A  C 15A   D 12A

A 8 SWG conductor has an approximate diameter of....................
A 10mm B 6mm C 8mm D  4 mm

A good earth conductivity gives..............
A a high resistance  B high conductivity  C low resistance  D  low conductivity

For safety point of view, the fuses should be placed in......................
A neutral wire B  earth wire C phase wire D  after the load

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