Electrical and Electronics Engineering Design and Drawing EEEDD 4th Sem EEE/6906/Feb 2021 Diploma Paper

                                SECTION-A

Q2. Attempt any ONE question.                                                                    1×10=10

Q1.Draw the graphical symbol of the following
a.transformer b.Two way switch c.Emergency lamp d.Exhaust fan
e. NPN transistors f.Series resistor g.Lightning Arrester
h.Break contact with neutral position i.A.C series motor j.AC motor
Q2. Draw a complete wiring diagram of a building showing entry of circuit into an energy meter and main switch.
The consumers load consistsof 3light points,2fan points and a 5A socket.The panel board is to be provided with
MCBand ELCB.
Q3.In an electrical contractor control circuit two 3phase induction motors are tobe started automatically in a
sequence such that one motors is started first and the second is started after two minutes.Draw the schematic
and wiring diagram showing the necessary control and protection arrangements.
Q4.Draw schematic and wiring diagram for two lamps controlled by two switches from two different locations.
Q5. The isometric view of the fuse carrier is shown in the figure. Draw elevation, side view and plan of the fuse
carrier.