ELECTRICIAN
(PRACTICAL)
SEMESTER-IV
MARKS: 270
TIME: 8 HRS.
Note: Attempt all questions.
(100)
1. Assemble a completely dismantled industrial electric iron and test it.     (100)

2. To study the SCR based DC motor speed control drive. Measure the speeds of DC motor
using tocho-generator.  (100)

3.Test the dielectric strength of transformer oil.    (70)

TIME: 8 HRS.
MARKS: 270
Note: Attempt all the questions. All questions carry equal marks.

1. Study, test and repair a domestic mixer grinder for electrical faults.

2. (i) Bind a pin insulator from the top groove.
   (ii) Bind a shackle insulator from its neck for intermediate pole conductor.

3. (i) Test the insulation resistance of the given electric cable using megger.
   (ii) Test the electrical house wiring for open circuit, short circuit and leakage with the help of a magger.

ELECTRICIAN/ELECTROPLATER/LIFT MECHANIC/LIFT & ESCALATOR
MECHANIC/WIREMAN
(PRACTICAL)
SEMESTER -I
TIME: 8 HRS.
MARKS: 270
Note: Attempt all questions. All questions carry equal marks.

1.   Verify the characteristics of an AC circuit having resistance and Inductance in series.

2. i) Identify and name the active, & passive components from the given set of componeats.
     Write their marked values.

SEMESTER-II
TIME: 8 HRS.
MARKS: 270
Note: Attempt all the questionms. All questions carry equal marks.
1. Wind coil and make e transformer of primary 230 volts and secondary 0-12 vots
   @200 mA.
 

2 Study any identify the type AC motor. Measure slip and power factor at different loads  

3. Study the working abd operation of Stepper motor.

ELECTRICIAN
(PRACTICAL)
SEMESTER-m
TIME: 8 Hrs.
MARKS: 270
Toter Atempt all the question Aitquestions carry eqral marks

1. Study of voltage building of the alternator and draw the load characteristics.
 

2. Explain the construction working and operation of a syrichronous motor.

3. Explain and draw the connection and working of autotransformer starter.

*****

ELECTRICIAN
(PRACTICAL)
SEMESTER-III
TIME: 8 HRS.
MARKS: 270
Note: Attempt all the questions.
1. Take a dismantled 1-phase capacitor start motor. Make the connections and start it and then  make the connections to run the motor     in opposite direction.
 

2. Perform an experiment to soft start 31 induction motor by star-delta method.
 

3. Do skinning of 31/2 core cable and fix gland and thimbles and make connection between the
power/control panel and 3-phase induction motor.

ELECTRICIAN
(PRACTICAL)
SEMESTER-II
TIME: 8 Hrs.
MARKS: 270
Note: Attempt all questions. All question carry equal marks.

1.  Test and study the Half Wave and Full Wave rectifier circuits with and without Filter
     Circult. Show the Various Wave Form on CRO.

2.  Measure the various voltages and currents of a Single-Phase Transformer and find out the
     efficiency & regulation of the transformer.

ELECTRICIAN
(PRACTICAL)
SEMESTER-II
TIME: 8 Hrs.
Note: Attempt all questions.

1. Study of full wave bridge rectifier and calculation of full wave bridge rectifer's outgut
signal parameters with CRO.

2. Test the following test of a given single phase transformer.

a) Open Circuit Test
b) Short Circuit Test
c) Efficiency of Transformer. By direct loading method/ By calculating the toal losses.

3. Describe the starting of shunt motor by a four point starter with diagram and start the motor

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ELECTRICIAN
(PRACTICAL)
SEMESTER-II
TIME: 8 HRS.
MARKS: 270
Note: Attempt all questions.

1. Make a circuit of a full wave center tap rectifier on a breadboard and see the
waveforms on C.R.O at various points and write down their values.

2.To determine the efficiency of D.C. shunt motor and its performance characteristics.

3.Take two exhaust fans and do wiring in such a way that only one fan is ON at any
given time or both are OFF using appropriate switches.

ELECTRICIAN
(PRACTICAL)
SEMESTER -II
(SESSION 2017-2018) - NSQF LEVEL-5
TIME: 8 HRS.
MARKS: 270
Note: Attempt Any three questions. All questions carry equal marks.

1.  Assemble house wiring including carthing for 1-phase energy, mater MCB. ceilina fan, tobe ighi, three pin sockel and a lamp operated from two different positions.    Demonstrate the basics fonctional study of components used in house wiring.

2. Prepare pipe / plate earthing and measure earth resistance by earth tester/ megger.