Engg Drawing Semester 3 July 2017

17/B/C/S-3/4/E

E

PAPER – III
ELECTRICIAN / ELECTROPLATER / LIFT MECHANIC / LIFT & ESCALATOR MECHANIC
(ENGINEERING DRAWING)
SEMESTER – III

Note: Attempt all the question.

1. Draw the ISI symbol of electrical installations:
1. Current Transformer
2. Potential transformer
3. Relay
4. Circuit Breaker
2. (4×2.5 = 10)
3. Draw the free hand sketches of the following:
1. Fluorescent Tube
2. Mercury vapour lamp
4. (2×10 = 20)
5. Drawing the schematic diagram of D.C. motor, speed controlled by thyristor. (15)
6. Draw the free hand sketching of staircase wiring. Draw the schematic diagram of plate and pipe earthing. (30)

33/231, 35/233, 41/234