ITI Instructor — Past Questions

ITI Instructor • 2026 • Paper-III (Electrician - Technical Paper-I)

Which of the following is the safest practice before starting electrical work?

A) Wear loose clothing

B) Switch off and isolate the power supply

C) Work with wet hands

D) Ignore safety signs

Option A is correct: Wear loose clothing.

ITI Instructor • 2026 • Paper-III (Electrician - Technical Paper-I)

Energy used by 100W bulb in 2 hours:

A) 100 Wh

B) 200 Wh

C) 300 Wh

D) 400 Wh

Option C is correct: 300 Wh.

ITI Instructor • 2026 • Paper-III (Electrician - Technical Paper-I)

Electric current is flow of:

A) Protons

B) Neutrons

C) Electrons

D) Atoms

Option A is correct: Protons.