Sem - 1 1/July/2017

Electrician / Electroplater / Lift Mechanic / Lift & Escalator Mechanic / Wireman

Practical Examination – Semester I

Maximum Marks: 270

Note: Attempt all questions. All questions carry equal marks.

1. Plot and demonstrate the working characteristics of a PN junction diode and Zener diode.
2. Demonstrate and draw the connection diagram of a staircase lighting arrangement using a two-way switch.
3. Demonstrate the operation and mechanism of an ELCB (Earth Leakage Circuit Breaker). 
   
   OR 
   
   Verify Kirchhoff’s Current Law (KCL) and Kirchhoff’s Voltage Law (KVL).