Welcome To Online Test Semester 1, Module 3-Allied trade fitter and Carpenter

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Electrician 1st Year Part-1

NAME *

NAME OF THE ITI *

MOBILE NUMBER *

1 What is the current carrying capacity of 32 amp. rated cable, if it is protected by the rewireable fuse? *

2 points

A 13 Amp

B 16 Amp

C 26 Amp

D 39 Amp

2 What is the possible range to measure the sizeof the wire in a Standard Wire Gauge (SWG)? *

2 points

A 0-44

B 0-42

C 0-38

D 0-36

3 What is the name of the wire joint? *

2 points

A Aerial tap joint

B Knotted tap joint

C Duplex cross tap joint

D Double cross tap joint

4 Which type of soldering flux is used for soldering galvanised iron? *

2 points

A Rosin

B Zinc chloride

C Sal ammonia

D Hydrochloric acid

5 Which method of soldering is used for quantity production and for tinning work? *

2 points

A Dip soldering

B Soldering with a flame

C Soldering with soldering iron

D Soldering with soldering gun

6 What is the name of the part marked as X in the under ground (UG) cable? *

2 points

A Bedding

B Armouring

C Lead sheath

D Paper insulation

7 What is the full form of XLPE Cable? *

2 points

A Cross Line Poly Ethylene

B X’ess Line Phase Earthing

C Cross Linked Poly Ethylene

D Excess Length Paper and Ebonite

8 What is the purpose of ‘serving’ layer in underground cable? *

2 points

A Protect the cable from moisture

B Protect the cable from mechanical injury

C Protect metallic sheath against corrosion

D Protect armouring from atmospheric condition

9 Which type of fault of U.G Cable can be located by this loop test? *

2 points

A Ground fault

B Short circuit fault

C Open circuit fault

D Weak insulation fault

10 Which cable laying method is used in generating station? *

2 points

A In ducts

B Racks in air

C Along buildings

D Direct in ground

11 How many electrons are there in the valence shell of a copper atom? *

2 points

A 1

B 2

C 8

D 18

12 What is the effect of electric current on neon lamp? *

2 points

A Heating effect

B Magnetic effect

C Chemical effect

D Gas ionization effect

13 What is the unit of insulation resistance? *

2 points

A Ohm

B Kilo ohm

C Milli ohm

D Mega ohm

14 Which electrical device is the coarse excess current protection? *

2 points

A Cartridge fuses

B Rewirable fuses

C Miniature Circuit Breaker (MCB)

D High Rupturing Capacity (HRC) Fuses

16 Which type of soldering flux is used for soldering aluminium conductors? *

2 points

A Tallow

B Ker-al-lite

C Zinc chloride

D Sal ammonia rosin

17 What is the effect on molten solder due to repeated melting? *

2 points

A Tin content reduced

B Lead content reduced

C Prevent slug formation

D Uneven flowing in joints

18 What will happen to PVC insulation in cable carries excess current continuously for long period? *

2 points

A Voltage drop increases

B Voltage drop decreases

C Insulation resistance increases

D Insulation resistance decreases

19 Which method of cable laying is suitable for congested areas? *

2 points

A Racks in air

B Duct pipes

C Along buildings

D Direct in ground

20 What is the name of the part marked X in UG cables? *

2 points

A Serving

B Bedding

C Armouring

D Lead sheath

21 What is the fault of U.G cable identified in the circuit? *

2 points

A Ground fault

B Short circuit fault

C Open circuit fault

D Weak insulation fault

22 Which part of the underground cable is protecting the metallic sheath against corrosion? *

2 points

A Serving

B Bedding

C Armouring

D Lead sheath

23 Why the soldering iron must be kept into a stand that not in use while soldering? *

2 points

A It prevents burns and fire

B To control the excessive heat

C To save the time of soldering process

D To save the operator from electric shock

24 Which type of wire joint is found in the junction box? *

2 points

A Aerial tap joint

B Plain tap joint

C Rat tail joint

D Married joint

25 What is the name of the joint? *

2 points

A Married joint

B Scarfed joint

C Western union joint

D Britannia straight joint

26 What is the use of Britannia T joint? *

2 points

A Extending the length of the lines

B Inside and outside wiring installation

C Mechanical stress not required on conductor

D Tapping the service connection from overhead

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