MCQ ITI electrician and wireman

 

1➤ Which is the colour code of warning signs?

Red border and cross bar, black symbol on white Yellow background with black border and symbolWhite symbol on blue background White symbol on green background

2➤ Which category, the fire due to gas and liquified gas comes under?

Class A fire Class B fireClass C fire Class D fire

3➤ What is smothering in extinguishing of fire?

Isolating the supply of oxygen from fireRemoving the fuel from fireIsolating the heat from fire Adding the fuel from fire

4➤ Which concept of 5s indicates standardization?

Step - 2 Step - 1 Step - 3Step - 4

5➤ What is cleaning? A : B : C : D :

Keeping the working place in safe situationKeeping the things in systematic arrangementRemoving unwanted matter from the environment Preventing the additional matter

6➤ Which screwdriver is used for driving star headed screw?

Heavy-duty screwdriverConnector screwdriverPhilips screw driverInsulated screw driver

7➤ What does7 indicates in 7/20 cable?

No of conductor Insulation grade Diameter in mmSize of conductor in gauge

8➤ Which joint is suitable for low current circuits only? A : B : C : D :

Scarfed jointDouble cross tap joint Western union jointAerial tap joint

9➤ Which type of tap joint is suitable for more tensile stress?

Plain tap joint Knotted tap joint Duplex cross jointAerial tap joint

10➤ Which metal is used to make soldering iron bit?

BrassIronCopperSteel

11➤ Which soldering flux used for soldering electrical joints?

Sal ammonia rosin Zinc chlorideRosinDiluted chloric acid

12➤ Which colour band of resistor indicates the multiplier? A : B : C : D :

Fourth band First bandThird bandSecond band

13➤ Which is the example for metal film resistor? A : B : C : D :

CarbonNichromeEurekaMaganin

14➤ What is the reading of galvanometer in whetstone bridge at balanced stage?

Null deflectionHigh deflectionLow deflectionVibrate

15➤ Which metal is soldered by using zinc chloride flux as solder? A : B : C : D :

Gun metalBronzeZincGalvanised iron

16➤ Which soldering method is used to solder under ground cable joints?

Dip soldering Pot and ladle method DSoldering iron method Machine soldering method

17➤ How many electrons are in a copper atom?

29272830

18➤ Which effect is produced, if the current in passed through a coil?

Magnetic effectChemical effectHeating effectIonisation effect

19➤ Which one is the example for chemical hazard?

BacteriaSicknessFatigueCorrosive

20➤ What is the size of firmer chisel?

1 mm to 30 mm3 mm to 50 mm 2 mm to 40 mm4 mm to 60 mm

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