ITI Electrician Course

ITI Electrician Second Year MCQ (Part-5)

What is the name of the converter? A Metal rectifier B Rotary converter C Mercury-arc rectifier D Silicon-controlled rectifier Explanation

What is the advantage of non‐conventional energy sources? A More reliable B Low initial cost C Efficiency is high D

Which is the application of an automatic stepped voltage stabilizer? A Geyser B Grinder C Television D Pump motor Explanation

How can the contacts in a contactor be engaged for working? A By manual operation B By mechanical settings C

What is the total turn-on time (tₒₙ) while a transistor makes a transition from V₂ to V₁? A tₒₙ =

Which resistor is used to measure light intensity? A VDR B NTC C PTC D LDR Explanation An LDR (Light-Dependent

What is the working principle of single phase induction motor? A Lenz’s law B Joule’s law C Faraday’s laws of

What is the formula to calculate the slip speed (Nslip) of 3 phase squirrel cage induction motor? A Nslip =

Which instrument is used to measure armature winding resistance? A Megger B Multimeter C Series‐type Ohmmeter D Kelvin bridge Explanation

What is the name of the part marked as ‘X’ in a DC generator? A Armature core B Brush C