All Courses

Daffodil Polytechnic institute × Daffodil Polytechnic Institute × Md. Shafikul Islam Milon × Shanta Islam × Md. Emon Khan ×
Testing & Maintenance of Electrical Equipment (26753/66775)

Course conducted by
Rubel Hossen
Instructor
Electrical Technology
Semester : 5th & 7th
Daffodil Polytechnic Institute

Subject Overview : Diploma in engineering level students is required to acquire the knowledge and skills on the area of Testing and Maintenance of Electrical Equipment. It is one of the most important subject in respect to provide the students opportunities to acquire knowledge, skill and attitude in the area of testing and maintenance of electrical equipment with the special emphasizes on: Trouble shooting and Maintenance of electrical equipment, Faults findings and remedy the faults of Battery, DC Generators, DC motors, Faults findings and remedy the troubles of Transformers, Induction motors, Auto Star-Delta starter, Forward-Reverse ( 3 - Phase ) motor starter, Magnetic contact, Over Load Relay (OLR ), Test trip , 3 -Phase motor reverse rotation, Phase Sequence change, Alternator Faults findings and remedy the troubles of Synchronous motor and Circuit breaker, Power factor improvement unit (PFI), Solar system maintenance
Learning Outcome (Theory:

After Completing the subject, students will be able to:

1. Find the troubles of battery, DC generators and DC motor.

2. Describe the faults of single phase and three phase Transformer.

3. Outline the provable faults of single-phase induction motor.

4. Explain the faults of three phase induction motor

5. Explain the troubles of Alternator and Synchronous motors.

6. State the faults of Circuit breaker.

7. Illustrate the faults of Auto Star-Delta starter.

8. Explain the troubles of Overload Relay (OLR).

9. Discuss the troubles of power factor improvement unit (PFI).

10. State the faults of solar system.

Learning Outcome (Practical):

After undergoing the subject, students will be able to:

1. Perform the different test of storage Battery.

2. Detect the causes of voltage build up failure of DC generator and failure of running of DC motor.

3. Perform routine test of Single phase and Three phase distribution Transformer.

4. Recognize the faults of Single phase and Three phase Induction motors.

5. Detect the faults of Auto Star-Delta Stater and Overload relay.

6. Detect the common faults of Alternator.

7. Detect the troubles of Synchronous motor.

8. Identify common faults of High Voltage circuit Breaker.

9. Perform the testing of power factor improvement unit (PFI)

10. Detect the faults of solar system.
Alternating Current Machines‐1(66761)
Course Conducted By
Md. Shafikul Islam (Milon)
Sr. Instructor and Head
Electrical Technology.
Daffodil Polytechnic Institute

AIMS

To provide the student with an opportunity to acquire knowledge, skills and attitude in the area of alternating current machines with special emphasis on :
• power transformer.
• auto transformer.
• 3-phase induction motor.


Outcome

 My Students will be able to understand principle of operation & construction of transformer, EMF equation, transformation ratio, losses, equivalent resistance, leakage reactance, tests, regulation, efficiency, three phase connection, auto transformer, parallel operation,
 My Students will be able to understand Three-phase induction motor: working principle, construction, magnetic field, torque, power stage, tests, starting and speed control.
 They will be able to Perform various test of Ac machine
 They will be able to operate and speed control of induction motor
 They can Identify efficiency of Transformer and motor
Generation of Electrical Power (66752)
Course Conducted By
Md.Shafikul Islam (Milon)
Sr. Instructor and Department Head
Electrical Technology.
Daffodil Polytechnic Institute

Aim

To provide the student with an opportunity to acquire knowledge, skill and attitude in the area of planning and
estimating of electrical installation with special emphasis on:
• Planning and preparation of estimate for an electrical installation.
• Internal wiring and service connection.
• Installation of electrical machines.
• Electricity act / rules and safety practices..

Outcome

 Student will be able to know about Planning and estimating;
 They will be able to know how to use Measurement book,
 They will be able to understand importance of price sheet, catalogue and schedule of labor rate;
 They can calculate the Illumination;
 They will be able to chose Conductor size and can calculate current carrying capacity;
 They will be able to know Electricity Acts/Rules; Electrical codes;
 They will be able to perform Internal wiring installation;
 They can estimate for Distribution line;
 They can perform winding of electrical machine
 They will be able to Test electrical installation.
Construction Process-2(26441)
Course Conducted by
Md. Emon Khan.
Jr. Instructor,
Daffodil Polytechnic Institute.

This Course for: Diploma in Engineering (5th Semester Civil)

AIMS
After completion of the course the students will be able to:
 Understand the construction process of arch and lintel.
 Understand the construction process of different types of floor.
 Understand the construction process of stairs.
 Understand the construction process of different types of roof.
 Understand the different finishing works in building.
 Understand the construction process of doors and windows.
 Understand the different operation and maintenance construction equipment.
 Understand the construction of bridge, culvert, canals etc.

SHORT DESCRIPTION
Arches; Lintels; Ground floors; Upper floors; Damp proofing; Termite treatment; Stairs; Roof; Pitched
roof; Plastering and pointing; Doors; Windows; Carpentry and joinery; Scaffolding; Form works, Pointing
& Varnishing, construction equipment, Building Services, Insulation, bridge/culverts and canals etc.
Construction Management & Documentation
Course Conducted by
Md. Zahidul Islam
Jr. Instructor, Civil Technology
Daffodil Polytechnic Institute.

This Course for: Diploma in Engineering (7th Semester,Civil)

AIMS:
 To be able to understand the modern techniques of construction management.
 To be able to understand the operational research & site layout and organization.
 To be able to understand the mobilization of materials in construction management.
 To be able to understand the quality and cost control.
 To be able to understand the Pre-tender and Post-tender planning.
 To be able to prepare pre-qualification documents.
 To be able to evaluate pre-qualification documents.
 To be able to prepare technical specifications.
 To be able to prepare financial evaluation.
 To be able to prepare contract clauses.
 To be able to prepare tender documents.
 To be able to prepare contract documents.
 To be able to prepare Quality control document.
 To be able to understand the cost control.
 To be able to develop knowledge, skill and attitude of evaluating tenders and preparing
comparative statement.

SHORT DESCRIPTION
Principles of management and construction; Organization of contracts department; Operational
research; Site layout and organization; Mobilization of materials; Demobilization of STRUCTURE; Safety
in construction; Quality and cost control; Codes and building by-laws; Tender; Pre-tender and Posttender planning; Tender document; Tender notice; Instruction to tender; Contract clauses/condition of
contract; Technical specifications of materials and works; Pre-qualification of contractors; Evaluation
and comparative statement; Contract agreement.
Water Resource Engineering (26461)
Course Conducted by
Uchingla Marma Rupu
Instructor,
Daffodil Polytechnic Institute.
This Course for: Diploma in Engineering (7th Semester,Civil)

AIMS
• To provide understanding on the influence of the climatic condition of Bangladesh on its ground
water and surface water flow
• To provide understanding of recharging of underground water and ascertain its necessity in
Bangladesh.
• To enable to select a suitable source of water and method of irrigation for particular situation.
• To enable to select a suitable method of drainage for particular situation.
• To enable to select a suitable method for control of rivers and flood in Bangladesh.
• To understand rain water harvesting.

SHORT DESCRIPTION
Sources of water; Rainfall and run-off; Lifting of underground water; Storing and Recharging of
ground/rain water; Irrigation and its effect; Well irrigation; Water requirements for crops; and quality
of irrigation water; Storage reservoir; Dam and dyke; Irrigation canals; Silt deposit; Scouring; Canal
works; Drainage; River training works; Flood and flood management and flood control; Irrigation
projects in Bangladesh.
DC Machine (26753)
Course Conducted By

Md. Shafikul Islam (Milon)
Sr. Instructor and Head
Electrical Technology.
Daffodil Polytechnic Institute

Rubel Hossen
Instructor
Electrical Technology.
Telecommunication Technology
Semester : 5th
Daffodil Polytechnic Institute

Subject Overview : Diploma in Engineering Level students are required to acquire the knowledge and skill on the area of DC Machines with special emphasis of basic concept of Cell & Battery, Fuel cell, procedure of Battery charging and testing, DC generator and its characteristics, Losses and Efficiency of DC generator, DC motor, Speed control and voltage regulation of DC motor, Industrial Application of DC motor, electric traction. Electrical machines is a subject where a student will deal with various types of electrical machines which are employed in industries, power stations, domestic and commercial appliances etc. As such the knowledge of DC Machine the pre-requisite for these fields for effective discharge of their duties. These necessities of electrical engineering subjects in the curriculum of Diploma in engineering. After completion of this course student will be able to construct Cell & Battery, Perform Battery charging and testing, assemble and re-assemble of DC Generator, Operate DC generator and motor, develop lap and wave winding and speed control of DC motor. Have been given more emphasis on practical aspect rather than theory in teaching learning approach.
Learning Outcome (Theoretical:
After Completing the subject, students will be able to

Define cell, fuel cell and battery.

 Illustrate procedure of Battery charging and testing.

 Outline DC generator and its characteristics.

 Calculate Losses and Efficiency of DC generator.

 Describe DC motor.

 Enumerate Speed control and Regulation of DC motor

 Explain Industrial Application of DC motor.

 Mention electric traction.

Learning Outcome (Practical):

After undergoing the subject, students will be able to:

 Construct cell, fuel cell and battery.

 Perform Battery charging and testing.

 Assemble and de-assemble of varies parts of D.C. Generator

 Operate DC shunt, series and compound motors

 Develop Lap and wave winding.

 Execute speed control on DC Motors.

 Demonstrate Industrial Application of DC motor.
Electrical Installation Planning and Estimating (66741)
Course Conducted By
Md.Shafikul Islam (Milon)
Head of Department
Electrical Technology.
Daffodil Polytechnic Institute

Aim
To provide the student with an opportunity to acquire knowledge, skill, and attitude in the area of planning and
estimating electrical installation with special emphasis on:
• Planning and preparation of estimate for an electrical installation.
• Internal wiring and service connection.
• Installation of electrical machines.
• Electricity act/rules and safety practices.

Outcome
Students will be able to know about Planning and estimating;
They will be able to know how to use the Measurement book,
They will be able to understand the importance of price sheet, catalog, and schedule of labor rate;
They can calculate the Illumination;
They will be able to choose Conductor size and can calculate the current carrying capacity;
They will be able to know Electricity Acts/Rules; Electrical codes.
They will be able to perform Internal wiring installation;
They can estimate for Distribution line;
They can perform winding of electrical machine
They will be able to Test the electrical installation.