Top 10 Questions Electrican and Wireman

1➤ Which insulating material is used for insulation tapes?

PlasticMicaFibreLeathroid

2➤ Which category of basic sign refers to avoid naked flame?

Information signs Prohibition signsMandatory signs Warning signs

3➤ Which type of fire extinguisher is used for fire on electrical equipment?

pressure type extinguisher Halon extinguisherFoam extinguisher Water filled extinguisher Stored

4➤ What is the indication of the letter ‘M’ in thread formation M12?

BSF threadISO inch thread ISO metric threadBSW thread

5➤ Which cell has high shelf life?

Alkaline cellLeclanche cell Dry cellLithium cell

6➤ Which factor the capacity of a cell depends?

Size of platesMaterial of negative plate Distance between plates Material of positive plate

7➤ What is the full form of UPS?

Uni directional power supply Un interrupted power supplyUniform Power supply Un regulated Power supply

8➤ Why cells are connected in series?

To obtain higher current To reduce total voltageTo obtain higher voltage To reduce current

9➤ Which electrolyte is used in lead acid battery?

Diluted sulphuric acidDiluted hydrochloric acidConcentrated ammonium chlorideConcentrated potassium hydroxide

10➤ Which is rechargeable cell?

Lead acid cellVoltaic cellCarbon zinc cellMercury cell

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