Craftsmen Training Scheme

  • Study Material
  • Employability Skills
  • Question Bank
  • Mock Test
  • QP and Curriculum
  • E-Learning

Mechanic Refrigeration and Air Conditioner Videos

Communication skills

courtesy :NIMI

7 habits of highly effective people (personality development)

courtesy :NIMI

Interview Techniques

courtesy :NIMI

Stress Management

courtesy :NIMI

Transactional analysis

courtesy :NIMI

Disposal of Waste Material Part-1

courtesy :QR videos

Disposal of Waste Material Part -2

courtesy :QR videos

Personal Protective Equipment Part-1

courtesy :QR videos

Personal Protective Equipment Part-2

courtesy :QR videos

Rescue and Treat a Person Who is in Contact with a Live Wire | Part-1

courtesy :QR videos

Safety Practice - Fire Fighting

courtesy :QR videos

Safety Practice - Safety Signs

courtesy :QR videos

Safety Practice - Road signs & Road signals V Out

courtesy :QR videos

Safety practice first aid treatment of electric shock treatment for electric burn and serve bleeding

courtesy :QR videos

Standard and Standardisation | Part - 1

courtesy :QR videos

Standard and Standardisation | Part - 2

courtesy :QR videos

Conductors and Semiconductors

courtesy :QR videos

Response to Emergencies - Power failure, System failure & Fire

courtesy :QR videos

Importance of Safety

courtesy :QR videos

Importance of Housekeeping

courtesy :QR videos

Safety practice first aid treatment of electric shock treatment for electric burn and serve bleeding

courtesy :QR videos

RAC MCQ Question Bank - 1 | Q. 01 to 25

courtesy :Skill Book

RAC MCQ Question Bank - 2 | Q. 26 to 50

courtesy :Skill Book

RAC MCQ Question Bank - 3 | Q. 51 to 71

courtesy :Skill Book

RAC MCQ Question Bank - 4 | Q. 72 to 96

courtesy :Skill Book

RAC MCQ Question Bank - 5 | Q. 97 to 130

courtesy :Skill Book

RAC MCQ Question Bank - 6 | Q. 131 to 160

courtesy :Skill Book

RAC MCQ Question Bank - 7 | Q. 161 to 190

courtesy :Skill Book

RAC MCQ Question Bank - 8 | Q. 191 to 220

courtesy :Skill Book

Lecture-20 | How Compressor Overload Protector Works

courtesy :Skill Book

Lecture-21 | What is Relay | How relay Work in Refrigerator

courtesy :Skill Book

Lecture-22 | Double Door Refrigerator Wiring diagram

courtesy :Skill Book

Lecture-23 | Double Door Refrigerator Defrost timer working

courtesy :Skill Book

Lecture-13 | Ton of Refrigeration in Hindi

courtesy :Skill Book

Lecture-14 | Coefficient of Performance | COP

courtesy :Skill Book

Lecture-15 | what is superheat and sub-cooling.?

courtesy :Skill Book

Lecture-16 | Pressure and its Types.?

courtesy :Skill Book

Lecture-17 | How does a Single Door Refrigerator Work

courtesy :Skill Book

Lecture-18 | Wiring diagram of Single Door Refrigerator

courtesy :Skill Book

Lecture-19 | How a Refrigerator Thermostat works

courtesy :Skill Book

Lecture-1 | Development of Refrigeration system

courtesy :Skill Book

Lecture-2 | Transfer of Heat | Conduction, convection and Radiation

courtesy :Skill Book

Lecture-3 | What is heat ? | Heat Energy in Hindi

courtesy :Skill Book

Lecture-4 | Types of Heat | Latent Heat and sensible heat

courtesy :Skill Book

Lecture-5 | What is Temperature ?

courtesy :Skill Book

Lecture-6 | Difference between heat and temperature

courtesy :Skill Book

Lecture-7 | Vapour Compression Refrigeration System

courtesy :Skill Book

Lecture-8 | Vapour Compression Refrigeration System -1

courtesy :Skill Book

Lecture-9 | Vapour Compression Refrigeration System -2

courtesy :Skill Book

Lecture-10 | Low Side & High Side Pressure

courtesy :Skill Book

Lecture-11 | Vapour Absorption Refrigeration System

courtesy :Skill Book

Lecture-12 | Vapour Absorption System 3 fluids

courtesy :Skill Book

Mechanic Refrigeration and Air Conditioner Question Bank

Employability Skills - 1st Year

Employability Skills - 1st Year



Employability Skills - 2nd Year

Employability Skills - 2nd Year



Refrigeration And Air Conditioning Technician - 1st Year (Set - 1)

Refrigeration And Air Conditioning Technician - 1st Year (Set - 1)



Refrigeration And Air Conditioning Technician - 1st Year (Set - 2)

Refrigeration And Air Conditioning Technician - 1st Year (Set - 2)



Refrigeration And Air Conditioning Technician - 1st Year (Set - 3)

Refrigeration And Air Conditioning Technician - 1st Year (Set - 3)



Refrigeration And Air Conditioning Technician - 2nd Year (Set - 1)

Refrigeration And Air Conditioning Technician - 2nd Year (Set - 1)



Refrigeration And Air Conditioning Technician - 2nd Year (Set - 2)

Refrigeration And Air Conditioning Technician - 2nd Year (Set - 2)



Refrigeration And Air Conditioning Technician - 2nd Year (Set - 3)

Refrigeration And Air Conditioning Technician - 2nd Year (Set - 3)




Mock Test for ITI Students

ITI CBT Exam process | ITI CBT Exam कैसे करें
Mechanic Refrigeration and Air Conditioner

Courtesy :DET Haryana



S.No. Week No. / Chapter Topics Videos Link
1 1 Week basic trade info https://m.youtube.com/watch?v=2Ar-qWLhGzk
2 2 Week basic fitter tools https://m.youtube.com/watch?v=mnjK6jRLY6M
3 3 Week basic precision tools https://m.youtube.com/watch?v=rddQmcNk1w4
4 4 Week basic tools and work in sheet metal shop https://m.youtube.com/watch?v=DtNyq21LIN0
5 5 Week basic of electrical shop https://m.youtube.com/watch?v=Vd2UJiIPbag
6 6 Week motors used in electrical https://m.youtube.com/watch?v=atXRn-cba88
7 7 Week basic of electronics https://m.youtube.com/watch?v=4sBgu_tUpiI
8 8 to 9 Week all components and use of electronics https://m.youtube.com/watch?v=i4jTHhXuKLA&list=RDQMIHGBTurq4D8&index=5
9 10 to 11 to 12 Week basic arc welding tools https://m.youtube.com/watch?v=BLRbYO3yAW4
10 10 to 11 to 12 Week basic gas welding tools https://m.youtube.com/watch?v=zV16K4bI5hE
11 10 to 11 to 12 Week welder basic study https://m.youtube.com/watch?v=n_DuzHRZ4JI
12 13 to 14 Week basic study of refrugeration https://m.youtube.com/watch?v=9uCeFhO8H40
13 15 Week basic science terms in refrigeration https://m.youtube.com/watch?v=LL54E5CzQ-A
14 16 to 17 Week vapour compression system https://m.youtube.com/watch?v=1X8ktjuh-4I
15 16 to 17 Week vapour absorption system https://m.youtube.com/watch?v=uOlpzAqO7AM
16 18 Week vapor compression cycle pv ph ts diagram https://m.youtube.com/watch?v=jxm7khIWFd8
17 19 Week single door ref. https://m.youtube.com/watch?v=feoSyeAeBwQ
18 20 Week wiring of direct cool https://m.youtube.com/watch?v=fz9hZ6Ji3EU
19 20 Week wiring of direct cool https://m.youtube.com/watch?v=HB6Wwi1IaHI
20 21 Week gas charging technique https://m.youtube.com/watch?v=qNFhCT5G2mU
21 22 Week Frost Free Refrigerator https://m.youtube.com/watch?v=E1h8MsFXmjg
22 22 Week Frost Free Refrigerator https://m.youtube.com/watch?v=8dM9903vAzI
23 22 Week Frost Free Refrigerator https://m.youtube.com/watch?v=g2y_jqX43m4
24 23 Week Refrigerator (Inverter Technology) https://m.youtube.com/watch?v=mjP6GVGLm0g
25 23 Week Refrigerator (Inverter Technology) https://m.youtube.com/watch?v=teOSSVtkMvM
26 27 to 28 Week What is Compressor & their types.  https://youtu.be/QsdAU-AKHWs
27 27 to 28 Week Scroll Compressor.  https://youtu.be/czkWcBMPsXg
28 27 to 28 Week Centrifugal Compressor.  https://youtu.be/hPHcNY8VMdQ
29 27 to 28 Week Screw Compressor.  https://youtu.be/APu1vR0Ev1Y
30 29 to 30 Week What is AC Motors & their types. https://youtu.be/ppRpq3j_U40
31 29 to 30 Week Starting & Running Winding.  https://youtu.be/qn7qo5Uwu8U
32 29 to 30 Week Capacitor Start capacitor run Motor.  https://youtu.be/t9BKWrbg8d0
33 29 to 30 Week Compressor Starting Methods.  https://youtu.be/BVIqB5BeeTM
34 29 to 30 Week Identification of Compressor Terminals.  https://youtu.be/IK02b_Lhw14
35 31 to 32 Week Function of Relay, Capacitors & OLPs https://youtu.be/Uwpl1fJLjR4
36 31 to 32 Week Slip Ring induction motor.  https://youtu.be/EbcBOcCBAnQ
37 31 to 32 Week Squirrel Cage induction motor.  https://youtu.be/u-1Fb3dMOmo
38 31 to 32 Week Common Faults in 3 Phase AC Motors.  https://youtu.be/TdjPfmvCvpE
39 33 Week Working of Inverter A. C https://youtu.be/8oFWa5mOvMo
40 33 Week Working of Inverter A. C https://youtu.be/Llr073_EDIs
41 34 Week What is Condenser & their types.  https://youtu.be/SJasw2q4t30
42 34 Week Evaporative type Condenser.  https://youtu.be/za8TfsFBv7I
43 35 Week Function of Drier.  https://Youtu.be/xQLSXiDmCRY
44 35 Week Types, Application & its Advantages.  https://youtu.be/Zy9ZfP_6PoU
45 35 Week Description of Desicants.  https://youtu.be/mNdzRk3oJQ0
46 35 Week Description of Desicants.  https://Youtu.be/8pDGyyd8mAg
47 36 Week What is Expansion Valve.  https://youtu.be/w2BPuiqBMok
48 36 Week Types of Expansion valve used in Refrigeration & Air Conditioning.  https://youtu.be/UZUD33gwwBA
49 36 Week Capillaries, Automatic and Thermostatic Ex. Valves. https://youtu.be/7i0ABRx91Yw
50 36 Week Electronic Expansion Valves. https://youtu.be/sbD4pe8rAm0
51 37 Week What is Evaporayor. https://youtu.be/X4GE6rTMu6c
52 37 Week Types of Evaporators used in Refrigeration & Air Conditioning. https://youtu.be/gTPG64SKZcQ
53 37 Week Function of Accumulator.  https://youtu.be/A2CtpjCjMQQ
54 37 Week Methods of De- frosting.  https://youtu.be/dOL8qMcY280
55 38 Week What is Refrigerant & types of Refrigerant. https://youtu.be/caskqYexths
56 39 Week Safe Handling of Refrigerant.  https://youtu.be/O0WQwvNkdm4
57 39 Week Detail of Retrofitting.  https://youtu.be/B1VG1OHEfAM
58 40 Week what is Thermal Insulation, types & their Properties & used in Refrigeration & Air conditioning.  https://youtu.be/PQYHarTgcn4
59 41 Week What is Window AC & their Components.  https://youtu.be/zRDvqFgILrk
60 42 Week Installation of Window AC https://youtu.be/f5HDkapHX6w
61 43 Week What is Split AC & their Components.  https://youtu.be/XnLKb1cYSnk
62 44 To 47 Week Split AC Wall Mounted.  https://youtu.be/ZNPD9tCf8qg
63 44 To 47 Week Split AC Cassette type.  https://youtu.be/q_tegDgiWw4
64 44 To 47 Week Split AC Ductable https://youtu.be/eVDT6ykuPNk
65 44 To 47 Week Multi Split AC https://youtu.be/LAX3VSlLJ8w
66 48 Week Inverter Split AC & their Components.  https://youtu.be/BAcwr8-SKxg
67 48 Week Inverter Split AC & their Components.  https://youtu.be/qR1Nwd_U4_I
68 49 Week What is Car Air Conditioning & their components.  https://youtu.be/lqXGnNMpq9U
69 49 Week What is Car Air Conditioning & their components.  https://youtu.be/zl3IANCuaNQ
70 Other Link [हिन्दी] CENTRAL AIR CONDITIONING WORKING - AIR CONDITIONING 2 - ANUNIVERSE 22 https://youtu.be/KzdOCkIkBK0
71 Other Link adjusting dual pressure controls https://youtu.be/Njl4YipbeWw
72 Other Link CENTRAL AIR CONDITIONING WORKING https://youtu.be/KzdOCkIkBK0
73 Other Link Cleaning & flushing air conditioner  https://youtu.be/5nm01Bn4-So
74 Other Link Dierct Chiller System https://youtu.be/AqoK6_2Aur8
75 Other Link DIRECT AND INDIRECT EXPANSION IN AIR CONDITIONING SYSTEM https://youtu.be/Z4iJIXttgFA
76 Other Link Direct/Indirect Central AC Prototype https://youtu.be/AqoK6_2Aur8
77 Other Link Evaporative Condenser https://youtu.be/za8TfsFBv7I
78 Other Link Evaporator(Bare to Plate & Finned Type) https://youtu.be/gTPG64SKZcQ
79 Other Link Freezer capillary changing  https://youtu.be/HIAFg0Sj8pw
80 Other Link HIGH PRESSURE CONTROL / HIGH PRESSURE CUT OUT https://youtu.be/cCYbqjmE8J8
81 Other Link How many types of condenser & used  https://youtu.be/KgpbldqFVqM
82 Other Link How To Package Air Conditioning Maintenance https://youtu.be/wq6Me-UUbSc
83 Other Link LP Switch And HP Switch Purpose In AC https://youtu.be/jlUdvUBo8Is
84 Other Link Package Air conditioner https://youtu.be/I4hQtbLTL90
85 Other Link PACKAGE AIR CONDITIONING (Full practical video ) https://youtu.be/BClW4UOzYv0
86 Other Link REFRIGERANT & THEIR TYPES https://youtu.be/caskqYexths
87 Other Link Relative Humidity  https://youtu.be/HN5gbx79ZqI
88 Other Link Subzero 7510T Wiring And Parameter Set Easily https://youtu.be/RT8xpBwaU6w
89 Other Link SubZero temperature controller settings https://youtu.be/Hu7z-sdkkII
90 Other Link Thermostatic expansion valve  https://youtu.be/mAU0GqPno1Y
91 Other Link Type of condenser https://youtu.be/SJasw2q4t30
92 Other Link types of evaporators in the refrigeration system https://youtu.be/X4GE6rTMu6c
93 Other Link Types of Refrigerant https://youtu.be/Ao3Z3vTFy9Y
94 Other Link VRV or VRF Part - 1  https://youtu.be/7bzDTD5HflE
95 Other Link VRV/VRF Basics https://youtu.be/sPP9xCw_Eq8
96 Other Link Window AC Compressor to Fan Motor to Selector Switch to Capacitor All connection wiring https://youtu.be/MLWIX0sVAak
97 Other Link एसी में टन क्या है | 1 टन= ? किलोवाट | 1 टन= ? हार्सपावर हिंदी में समझें https://youtu.be/wZ8nCteVTgI
98 Other Link सेंट्रल ए.सी प्लांट प्रेशर टेम्परेचर  https://youtu.be/JapzO4Rimn0
99 Other Link COP to Refrigerants https://youtu.be/K5ptil2fe8s
100 Other Link Measuring tools https://youtu.be/PhoarAzNhY4
101 Other Link Vapour compression refrigeration https://youtu.be/QR94W1fRA7c
  • ITI LOGO
  • DGT LOGO
  • SKILL INDIA LOGO
  • NIMI LOGO