Model Question Bank | BASIC ELECTRICAL AND ELECTRONICS ENGINEERING LAB | Diploma Karnataka




 Model Question Bank:                                                                                        

 


1.     Construct a suitable circuit to verify Ohm’s law. Also plot Graph.

2.     Conduct an experiment to find the Resistance of a given unknown Resistor.

3.     Rig up and test the wiring circuit to control a lamp and a three pin socket independently.

4.     Rig up and test the wiring circuit to control two lamps independently.

5.     Construct and test fluorescent lamp circuit.

6.     Construct and test the staircase wiring circuit (control from 2 places).

7.     Conduct an experiment to control a lamp from two places.

8.     Construct and test Meter board wiring using single phase Energy meter, MCB/ELCB, Kit-kat fuse and neutral link.

9.     Conduct a suitable experiment to test the Meter board wiring circuit.

10.  Build and test a circuit to measure power and power factor in a single phase ac circuit.

11.  Construct a circuit to measure energy in KWh in a single phase ac circuit.

12.  Conduct an experiment to measure the single phase energy consumed in KWh for the given electrical load.

13.  Construct a suitable circuit to start and reverse the direction of three phase induction motor using DOL starter.

14.  Construct a suitable circuit to start and reverse the direction of three phase induction motor using Star-Delta starter.

15.  Construct a suitable circuit to start and reverse the direction of three phase induction motor using three phase auto-transformer starter.

16.  Test and make a report of the fully charged and discharged conditions of a given Lead-acid battery.

17.  Construct and test a circuit using a Relay to turn  ON/  OFF a  lamp  connected  to 230 Volts ac supply.

18.  Conduct an experiment to control a lamp using a Relay.

19.  Construct a circuit using a single Relay to turn ON a lamp connected to NC and to turn OFF another lamp connected to NO contacts of Relay.

20.  Conduct an experiment to turn ON a lamp and turn OFF another lamp using a single Relay.

21.  Construct a circuit to obtain the forward bias characteristic of a Diode.

22.  Conduct an experiment to Plot the forward bias characteristic of a PN Junction Diode.

23.  Construct and test Zener diode as a voltage regulator. Also, plot the Graph.

24.  Build and test half wave rectifier circuit. Also, trace the input and output waveforms.


25.  Build and test full wave bridge rectifier circuit (without filter). Also, trace the input and output waveforms.

26.  Construct a circuit to verify the truth tables of NOT and AND gates.

27.   Construct a circuit to verify the truth tables of OR, NOR gates.

28.  Construct a circuit to verify the truth tables of NAND and AND gates.

29.  Conduct an experiment to verify the truth tables of given logic gates.

30.  Identify and draw the layout diagram for a simple PANEL BOARD consisting of bus- bars, CB/MCB/ELCB, meters, HRC fuses, magnetic contactors, cables, earthing points.


 Lab Equipment Requirement:                                                                                        

Students Intake         :           60

Students per Batch   :           20

 

Sl. No.

Name of Equipment and Specification

Quantity Required

1

Dual Channel 30 V, 2 A continuously variable DC Regulated Power Supply with Current and Overload Protection

05 Nos.

2

+/- 15 V, 2 A, fixed DC Regulated Power Supply

05 Nos.

3

Portable Moving Coil DC Voltmeters

a)         0 - 1 V

b)         0 - 10 V

c)         0 - 30 V

Each 05 Nos.

4

Portable Moving Iron AC Voltmeters a)         0 - 300 V

b)         0 - 600 V

Each 05 Nos.

5

Portable Moving Coil DC Ammeters a)            0 - 100 mA

b)             0 - 1 A

c)              0 - 2 A

Each 05 Nos.

6

Portable Moving Iron AC Ammeters

a)              0 - 2 A

b)             0 - 5 A

c)         0 - 10 A

Each 05 Nos.

7

Watt-meters

a)         150/ 300V, 2 A, UPF

b)         300/ 600 V, 5/ 10 A, LPF

Each 02 Nos.

8

Rheostats – 25 Ohms, 50 Ohms, 150 Ohms, 220 Ohms (all rated at 3 A)

Each 05 Nos.

9

Rheostat Loads s – 1 KW, 230 V

02 Nos.

10

Wire wound Resistors- 5 Ohms 2 Watts, 25 Ohms 5 Watts,

330 Ohms 2 Watts, 560 Ohms 2 Watts, etc.

Each 05 Nos.

11

Soldering Iron 60 W

05 Nos.

12

Fluorescent lamp sets

10 Nos.

13

Single Phase Energy meter 10 A, 230 V, 50 Hz, Digital type

05 Nos.

14

Multi-meter Digital ¾”

06 Nos.

15

Duel Trace Oscilloscope – 30 MHz

02 Nos.

16

Three Phase Induction Motors :1 HP – 440 V 50 Hz,2 HP – 440 V 50 Hz.

Each 02 Nos.

17

Three phase DOL, Star-Delta, Auto transformer starter

Each 02 Nos.

18

UPS 1 KVA

01 Nos.

19

Battery Lead-Acid type, 140 A-hr and Hydrometers

02 Nos.


Sl. No.

Name of Equipment and Specification

Quantity Required

20

I C Trainer kit

05 Nos

21

Digital IC’s 7400, 7402, 7404, 7408, 7486 etc

Each 10 Nos.

22

Wooden Wiring board (2x3) ft

10

23

Wiring accessories

a)              PVC conduit - ¾” - 10 lengths

b)             Cap and casing - ¾” - 10 lengths

c)              Switches Single Pole- 5A, 230 V

d)             Switches two way – 5 A, 230 V

e)              3 Pin Sockets 5A, 230 V

f)              Bulb Holders – 5 A, 230 V

g)             3 Pin Plug 5A, 230 V

h)             60 Watts Lamps

i)               100 Watts Lamps

j)               15 W CFL lamps

k)             Copper Wires of sizes

1.5   mm2, 2.5 mm2, 4 mm2 – 1 coil each l)  Gang boxes (1+1, 2+1, 2+2)

m)            Kit –Kat fuses 5A, 15 A

n)             MCB 16 A & 32 A/ 230 V, Single and Double Pole

o)             ELCB 16 A & 32 A/ 230 V, Double Pole

p)             Neutral link- 16 A, 230 V

q)             Screws of assorted sizes

r)              Testers

 

Each 10 Nos.

24

Electronic Components

a)              Diodes - BY 127 and IN 4001

b)             Zener Diodes – 6.2 V, 5.6 V, 7.8 V

c)              Relays – solid state Sugar cube type, SPST, Coil 6V, Power circuit 230 V, 5 A.

d)             Spring Boards

e)              Bread Boards

f)              Tag Boards.

Each 10 Nos.

25

Simple PANEL BOARD/ CUBICAL consisting of bus-bars, CB/MCB/ELCB, meters, HRC fuses, magnetic contactors,

cables, earthing points.

1 No

 


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