WEEK. NO.   09  

1. Reference Learning Outcome :- Rework on PCB after identifying defects from SMD soldering and de-soldering. (Mapped NOS: ELE/N5102)
2. Duration :- Professional Skill 20  Hrs; Professional Knowledge 10  Hrs  (for above learning out come)

TRADE THEORY (Professional Knowledge ) :- 

• • Introduction to Static charges, prevention, handling of static sensitive devices, various standards for ESD.
  • Introduction to non-soldering interconnections.
  • Construction of Printed Circuit Boards (single, Double, multi-layer), Important tests for PCBs.
  • Introduction to rework and repair concepts.
  • Repair of damaged track.
  • Repair of damaged pad and plated through hole.
  • Repair of solder mask.

TRADE PRACTICAL (Professional Skills  With Indicative Hours) :- Job no. & Name of the Practical

• PCB Rework
• 165. Checked and Repair Printed Circuit Boards single, Double layer and important tests for PCBs. (10 Hrs.)
• 166. Inspect soldered joints, detect the defects and test the PCB for rework. (10Hrs.)

WEEK. NO. 10

1. Reference Learning Outcome :- Construct different electrical control circuits and test for their proper functioning with due care and safety. (Mapped NOS: ELE/N9407)
2. Duration :- Professional Skill 30 Hrs; Professional Knowledge 10  Hrs  (for above learning out come)

TRADE THEORY (Professional Knowledge ) :- 

• • Necessity of fuse, fuse ratings, types of fuses, fuse bases.
  • Single/ three phase MCBs, single phase ELCBs.
  • Types of contactors, relays and working voltages.
  • Contact currents, protection to contactors and high current applications.
  • Contact currents, protection to contactors and high current applications.

TRADE PRACTICAL (Professional Skills  With Indicative Hours) :- Job no. & Name of the Practical

• Protection devices
• 166a. Identify different types of fuses along with fuse holders, overload (no volt coil), current adjust (Biometric strips to set the current). (06 Hrs.)
• 167. Test the given MCBs. (03 Hrs.)
• 168. Connect an ELCB and test the leakage of an electrical motor control circuit. (05 Hrs.)