CH-ST


       
SCHEME OF INSTRUCTIONS AND EXAMINATION             
Sub Code
Name of the Subject
Instruction Periods/Week
Total Periods Per Year
Scheme Of Examinations
Theory
Practicals
Duration
(hrs)
Sessional Marks
End Exam Marks
Total Marks
THEORY SUBJECTS
CH-ST-101
English
3
-
90
3
20
80
100
CH-ST-102
Mathematics - I
5
-
150
3
20
80
100
CH-ST-103
Engineering Physics
4
-
120
3
20
80
100
CH-ST-104
Engineering Chemistry and Environmental Studies
4
-
120
3
20
80

100

CH-ST-105
General Mechanical Engineering
5
-
150
3
20
80
100
CH-ST-106
Sugar  production  Technology
3
-
90
3
20
80

100
PRACTICAL SUBJECTS
CH-ST-107
Engineering Drawing

-
6
180
3
40
60
100
CH-ST-108
Workshop Practice
-
6
180
3
40
60
100

CH-ST-109

A)Physics Laboratory
-
3*
90
3
20
30
50
B)Chemistry Laboratory

-
3
20
30
50
CH-ST-110
Computer fundamentals lab practice
-
3
90
3
40
60
100

Total
24
18
1260
-
280
720
1000

Note: CH-ST-101 ,102,103,104,107,108,109,110 common  TO ALL BRANCHES

: CH-ST-105  common  with CH-105







GENERAL MECHANICAL ENGINEERING
                                                                                                                                                                     
Subject Title                        :           General Mechanical Engineering
                       
Subject Code                      :           CH-ST-105
Periods per Week               :           05
Periods per Year                :           150
TIME SCHEDULE
S.No
Major Topics
No. of
Periods

Weightage

of

Marks

Short answer type
Essay type
1.
Measuring Instruments
16
13
1
1
2.
Fitting Operations
16
13
1
1
3.
Welding
16
13
1
1
4.
Friction and Lubrication
16
03
1
0
5.
Transmission of Mechanical Power
10
13
1
1
6.
I.C. Engines
21
16
2
1
7.
Boilers
25
18
1
8.
Properties Of Steam
10
08
1
½
9.
Steam Nozzels & Steam Turbines
20
13
1
1
Total
    150
      110
    10
   08

OBJECTIVES
On completion of the study of the subject the student will be able to

1.0 Know about Measuring Instruments.        
1.1       Know about Measurement, types of measurement
1.2       Familiarize with the use of checking and measuring Instruments.                 
           1.3        Line diagrams of different measuring tools.             
           1.4        Specific use of each Instrument  
1.5       Least count of different measuring tools.  
1.6       Differentiate measuring and checking Instruments.

2.0 Fitting operations         
2.1       Familiarize with different hand tools            
2.2       List and explain different marking tools, cutting tools, striking tools, holding devices and miscellaneous tools                        
2.3       List different fitting operations                            
2.4        Differentiate tapping and dieing, drilling and reaming.                       
2.5        Explain cutting, filing, scraping                             
2.6       Identify the different types of hammers and their specifications.


3.0 Welding                
3.1       Define welding
3.2       State the advantages and limitations of welding                  
3.3       Give the classification of welding processes.                  
3.4       State the working principle of Arc welding                             
3.5       Identify the equipment and tools of arc welding                         
3.6       Arc welding procedure (sequential operations)
3.7       State the working principle of gas welding (Oxy-acetylene).              
3.8       List different Gas welding equipment and explain each.                           
3.9       Gas welding procedure (sequential operations)                     
3.10    Differentiate bare electrode and coated electrode                    
3.11    State the uses of flux in welding                      
3.12     Differentiate soldering and brazing                           
3.13    Explain various flame-cutting processes.                      
3.14    State the advantages and limitations of flame cutting.

4.0 Friction and Lubrication               
4.1       To appreciate the existence of friction in elements of power transmission
            4.2       Understand the concept of friction                    
4.3       Explain the necessity of lubrication
4.4       Give the classification of lubrication                 
4.5       Explain the properties of good lubricant                     
4.6       State different methods of lubrication                
4.7       Give the applications of above methods.

5.0 Transmission of mechanical power                       
5.1       To know the selection criteria of various means of power  
transmission
5.2       List different methods of power transmission                         
5.3       Explain belt drive, open and cross with line diagram and state its applications advantages and disadvantages.                
5.4       To identify different types of drives in belts.
5.5       State the applications, advantages and disadvantages of belt drives.
5.6       Explain Gear drives, simple, compound, worm and bevel gears and its velocity ratio.          
5.7       Know the merits and demerits of Gear drive                     
5.8       Define shaft and shaft coupling                
5.9        Differentiate the hallow shaft with solid shaft                 
5.10     List different types of couplings, and give its applications.

6.0 I.C. Engine                
6.1       Define Heat engine                  
6.2       Classify Heat engines.
6.3       Give examples for each type.
6.4       Summaries the advantages of I.C.engines and E.C.engines.
6.5       Give the classification of I.C.engines.
            Draw a neat sketch of an I.C engine and name the various parts.
6.6       Explain the working of 4-stroke petrol engine with a line diagram
6.7       Explain the working of 2 stroke petrol engine with a line diagram.
6.8       Explain the working of a 4-stroke and 2-stroke diesel engine with a line diagram
6.9       Compare two-stroke engine with 4-stroke engine           
6.10    Explain the help of a line sketch ignition system of an SI engine.
6.11    Explain the help of a line sketch ignition system of an CI engine.
6.12    Explain simple carburetor with a line diagram
6.13    Explain air-cooling and water-cooling                             .                  
6.14    Explain the working of fuel Injector with the help of a line diagram                  
6.15    Explain fuel pump            
6.16    Know about governing                       
6.17    List different methods of governing 
6.18    Compare SI engine with CI engine                  

7.0 Boilers                   
7.1       Define Boiler                   
7.2       Give the classification of Boiler                 
7.3       Differentiate fire tube and water tube boiler                   
7.4       Name different types of Boilers                
7.5       Explain the construction and working of a simple Vertical Boiler with a line diagram               
7.6       Explain Lancashire Boiler with a line diagram.                
7.7       Explain the construction and working of a Babcock and Wilcox Boiler with a line diagram                    
7.8       List the different Boiler mountings.           
7.9       State the specific use of each mounting.             
7.10    Name the different Boiler accessories              
7.11    State the functions of boiler accessories                
7.12    List different methods of firing of coal           
7.13    Distinguish solid fuel firing with Pulverized fuel firing.                    
7.14    Know about Boiler draught.            
7.15    State different methods of Boiler draught.

8.0 Understand the properties of steam               
8.1       Define the various properties of steam               
8.2       Compute the enthalpy, Internal energy and entropy of given pressure         
8.3       Use the steam tables.                
8.4       Interpret the date in steam tables to calculate enthalpy.                
8.5       Compute the above values using Mollier chart            


9.0 Understand the function of Steam Turbines                  
9.1       State the function of steam nozzle in a turbine               
9.2       Name different types of nozzles       
9.3       Define steam turbine            
9.4       Give the classification of steam turbines            
9.5       Explain the working of Impulse turbine with a line diagram.              
9.6       Explain the working of a Reaction turbine with a line diagram           


COURSE CONTENTS

1.         Measuring Instruments
Outside and inside Calipers, spring calipers-Hermaphrodite (odd leg) caliper, Transfer caliper – sizes and uses:
Dividers:- Sizes and uses combination square, bevel protractor, universal level protractor, sinebare, universal surface gauge. Engineers parallels, slip gauges. feeler gauge, angle gauge blocks, Radius gauge & template guage Screw pitch gauge, telescope gauges, plate and wire gauge, ring and plug gauges, snap gauges, specifications and uses. Vernier caliper, vernier height gauge, vernier depth gauge, micrometer outside & inside, stick micrometer – depth micrometer, vernier micrometer, screw thread micrometer specification & uses, calculation of least count the above instruments.
Differentiating between measuring and checking instruments,

2.         Fitting Operations
Cutting, filing, scraping, thread cutting (Trapping and dieing) drilling and reaming (hand) – marking tools cutting tools, striking tools, holding devices and miscellaneous tools.

3.         Welding
Introduction and classification of welding processes (IS:8.12)- Advantages and limitations. Principles of Arc welding-Equipments .Principles of gas welding (Oxy-acetylene)-Equipment. Welding procedures (Arc & Gas) –soldering–various flame cutting processes. Advantages and limitations of flame cutting.

4.         Friction & Lubrication
Concept of friction with practical examples– Disadvantages of friction. Necessity for lubrication – Classification of lubricants-properties of good lubrication Method of lubrication – their application.

5.         Transmission of Mechanical Power
5.1       Methods of power Transmission
           a) Belt drives – types and application, advantages and disadvantages.
                     
b)Gear drives- simple, compound, worm and bevel gears- Merits and   demerits.
5.2       Shaft and shaft couplings.
a) Types and uses of shafts (Hollow and  solid)-comparison.
b) Types of couplings.
i) Flange                     ii)  Muff                    iii)Universal.
c) Application of the above couplings.

6.         I.C. Engines
            6.1       Classification on the basis of
a) Cycle of operation  
b) Types of fuel used  
                        c) Methods of ignition  
                        d) Methods of Cooling
e) Speed of engine
f) Arrangement of cylinders.
            6.2 Four stroke and two strike cycles (petrol engine)
a)Principle and operation of 4-stroke and 2-stroke engine –explanation with neat sketch.
b)Fuel system in S.I engines - Fuel pump - Fuel filter - Air cleaner
Simple carburetor
6.3       Four stroke and two-stroke diesel engine.
a) Principle of operation, explanation with a neat sketch.
b) components of solid injection system (CI)-fuel feed pump – injection pump – injector – fuel filter.
c) Governing system
i)  Quality Governing,  
(ii) Quantity Governing
iii) Hit and miss method.
d) Cooling system
e) Scavenging and Super charging importance

7.         Boilers
7.1       Classification of boilers
                        a) Fire-tube         b) Water tube.
7.2       Sketch and description of:
                        a) Simple vertical boiler b) Lancashire boiler
                        c) Babcock and Wilcox boiler.
7.3       Boiler Mountings, sketch and description of
                        a) Water level indicator           
                        b) Pressure gauge
                        c) Safety valve                        
                        d) Steam stop valve
e) Feed check valve                
f) Blow of cock, Fusible plug.
7.4       Boiler accessories sketch and description of:
a) Steam Trap and separator,            
b) Economizer (Greens)
c) Super heater                                   
d) Air-Pre heater
7.5       Draught  
a) Natural      
b) Artificial – Induced, forced, and balanced.

8.         Properties of steam
8.1       Formation of steam under constant pressure, dryness fraction and degree of super heat, specific volume.
8.2       Determination of enthalpy, Internal energy, Internal latent heat.
8.3       Simple direct problems on the above using tables and charts.
or rejected during the above processes.

9.         Steam Turbines
9.1       Steam Nozzles – function
                        Types-convergent, divergent and convergent and divergent.  
9.2       Steam turbines
a) Classification with examples
     i) Impulse-Construction, working, comparison
    ii) Reaction-advantages - disadvantages            
    iii) Impulse - Reaction
                        c) Governing of turbines
                            i) Throttle governing.              
    ii) Nozzle governing.

REFERENCE BOOKS:
                 1. Workshop Technology, Volume 1                by Raghu Vamsi.
                 2. Workshop Technology                                   by Hazra Chowdary.
                 3.  Thermal Engineering                                    by R.S.Kurmi.
                 4. Heat Engines – Volume I&II                          by R.C.Patel.
                 5. Thermal Engineering I & II                            by Rakirappa




















SUGAR PRODUCTION TECHNOLOGY
Subject Title                        :           Sugar Production Technology
Subject Code                      :           CHST – 106

Periods/Week                      :           03

Periods/Year                        :           90

TIME SCHEDULE :
S.No.
Major Topics
No. of
Periods

Weightage

 of

 Marks

Short answer type
Essay type
1.
Definitions
05
03
1
-
2.
White sugar manufacture
process flow diagrams
10
13
1
1
3.
Juice extraction
10
13
1
1
4.
Clarification
10
13
1
1
5.
Evaporation
15
23
1
2
6.
Pan boiling
10
13
1
1
7.
Crystallization
10
13
1
1
8.
Centrifugation
05
06
2
-
9.
Drying and Grading
10
03
1
-
10.
Chemicals used in sugar industry
05
10
-
1

Total

90
110
10
08
OBJECTIVES :
            On completion of the units, the student must be able to;
1.0 Understand the various terms in the process of Sugar manufacture.
1.1 Define the terms viz. Cane, primary juice, secondary juice, absolute juice, mixed juice, last mill juice, residual juice, clear juice, sulphured juice, undiluted juice, muddy juice, syrup, massecuite, molasses, filter cake, press cake, imbibition, maceration, bagasse.
1.2 Explain the composition of cane & juice
2.0 Understand the different process flow diagrams used for white sugar manufacture.
2.1 Identify the various units in sugar industry.
2.2 State various types of clarification process
2.3 Explain the double sulphitation process of white sugar manufacture with line sketch.
2.4 Explain the double carbonation process of white sugar manufacture with line sketch.
3.0 Under the extraction of juice.
3.1 Identify the various preparatory  devices (cane kicker, cane leveler, cane cutter, cane fibrizer, cane shredder) and know their function.
3.2 Distinguish between crushers and mills.
3.3 Explain the different types of grooves on mill rollers.
3.4 State the various factors contributing for good milling.
3.5 Explain the simple and compound imbibition process.
3.6 Explain the effect of imbibition on extraction.
3.7 Explain the importance of juice strainers and its function.
3.8 Explain handling and storage of bagasse
4.0 Understand the various methods of clarification process.
4.1 Explain the method of mixed juice weighing.
4.2 Explain the juice heating in juice heaters and its importance.
4.3 Explain the juice clarification by double sulphitation process.
4.4 Explain milk of lime preparation by using rotary lime slaker.
4.5 Explain the working of batch and continuous type sulphur burners.
4.6 Describe the working of Rapidorr and Graver clarifiers.
4.7 Explain the working of filter press and rotary drum vacuum filter.
4.8 Explain various problems arise during clarification process and trouble shooting
5.0 Understand evaporation and evaporator operation.
5.1 State Rillieux principles of multiple effect evaporation and its limitations.
5.2 Differentiate the single effect and multiple effect evaporation.
5.3 Explain the advantages of multiple effect evaporation.
5.4 Draw a line sketch of a quadruple effect evaporator (forward feeding only).
5.5 Explain various modern type of evaporators viz Double effect vapour cell, semi Krystener, falling film and rising film.
5.6 Discuss the scale formation and its removal.
5.7 Know the condensate removal.
5.8 Define entrainment.
5.9 Discuss the various types of  entrainment catchers.
5.10      Wrie  the importance of vapour cell or pre-evaporator.
5.11      Explain the working of multi-jet condenser.
5.12      Explain the working of barometric condenser.
5.13      Explain various problems arise during evaporation process  and trouble shooting
6.0 Understand the principles of Pan boiling.
6.1 Explain the importance of boiling under vacuum.
6.2 State the types of Pans.
6.3 Explain the working of calandria type pan.
6.4 Explain the advantages  of continuous pan.
6.5 Describe the formation of false grain and conglomerates in pan boiling.
6.6 Explain the prevention of false grain in pan boiling.
6.7 Explain 3 – massecuite  boiling scheme adopted in pan boiling with line sketch.
6.8 Explain various problems arise during pan boiling process and troubleshooting
7.0  Understand the process of crystallization.
7.1 Explain the theory of crystallization at rest and at motion.
7.2 Explain the factors affecting crystallization.
7.3 Describe growth of crystals.
7.4 Describe treatment of low grade massecuite in crystallizers.
7.5 Describe molasses exhaustibility.
7.6 Know the types of crystallizers.
7.7 Explain briefly the working of air-cooled, water cooled, vacuum cooled and mono vertical crystallizers.
7.8 Explain briefly the working of a pug-mill.
7.9 Explain various problems arise during crystallization process and troubleshooting


8.0 Understand the centrifugal operation.
8.1 Know the types of centrifugal machines.
8.2 Explain the general operation of batch type and continuous type centrifugal machines.
8.3 Explain washing and steaming in centrifugals.
8.4 Explain single and double curing operation in centrifugals.
8.5 Explain briefly the operation of semi-automatic type centrifugal machine.
8.6 Explain briefly the operation of magma – mixer.
8.7 Explain various problems arise during centrifugal process and troubleshooting
9.0  Understand the drying and grading operation.
9.1 Define the term drying.
9.2 Explain the factors influencing the drying of sugar.
9.3 Explain the working of a sugar dryer or hot air blower.
9.4 Explain the working of a sugar hopper.
9.5 Explain the working of a bucket type elevator.
9.6 Differentiate different grades of sugar by sieving.
9.7 Know the types of graders.
9.8 Explain the working of a vibrating screen grader.
9.9 Explain storage of sugar
9.10      Explain various problems arise during drying and grading operation and troubleshooting
10.0       Understand the chemicals used in sugar industry.
10.1      List out the chemicals used in the process of white sugar manufacture and explain their applications at various stations.

COURSE CONTENTS :
1. Definitions of some terms viz. :
            Cane, Absolute juice, Primary juice, Secondary juice, Mixed juice, Last mill juice, Residual juice, Undiluted juice, Clear juice, Sulphured juice, Muddy juice, Bagasse, Syrup, Massecuite, Molasses, Filter cake, Press cake, Imbibition and Maceration. Composition of cane and juice
2. White sugar manufacture flow diagrams (Line sketches) :
            Various units in sugar industry, various types of clarification process, double sulphitation and double carbonation process of white sugar manufacture with line sketch.
3. Juice extraction :
            Preparatory devices, crushers, mills, types of grooves, simple imbibition, compound imbibition and juice strainers. Handling and storage of bagasse
4. Clarification :
            Weighing of mixed juice, juice heaters, double sulphitation process, MOL and HS preparation, sulphure burners, types of clarifires, working of filter press and rotary drum vacuum filter. Problems and troubleshooting
5. Evaporation :
            Principles of evaporation, single effect and multiple effect evaporation, scale formation and its removal, condensate removal, entrainment prevention, working of multi jet and barometric condensers. Double effect vapour cell, semi krystener, falling film and rising film evaporators. Problems and troubleshooting.

6. Pan boiling :       
            Principles of pan boiling – It’s importance, types of pans, working of calendria pan, working continuous pan, false grain and conglomerates – Its prevention, 3 and 4 massecuite boiling schemes with line sketch. Problems and troubleshooting.
7. Crystallization :
            Theory of crystallization, factors affecting crystallization, growth of crystals, molasses exhaustibility, treatment of low grade massecuites, types of crystallizers, working of air cooled, water cooled, vacuum cooled and mono vertical crystallizers, pug mill. Problems and troubleshooting
8. Centrifugation :
Centrifugal operation – Batch type and continuous type, washing and steaming, single and double curing, semi-automatic centrifugal operation, magma – mixer. Problems and troubleshooting.
9. Drying and Grading :
            Drying, factors influencing the rate of drying, sugar dryer, sugar hopper, bucket type elevator, vibrating screen grader, grades of sugar. Storage of sugar. Problems and troubleshooting.
10. Chemicals used in sugar industry:
            Triple super phosphate, tri-sodium phosphate, phosphoric acid, lime, sulphur, dextranase, gmylase, poly electrolytes, kieselghur, Horne’s dry lead, mercuric chloride, formal dehyde (40%).

REFERENCE BOOKS :
1.    Hand book of Cane Sugar Technology – R.B.L.Mathur.
2.    Cane Sugar Manufacture in India – D.P. Kulakarni.
3.    Unit Operations in Cane Sugar Production – Payne.
4.    Training Manual for Sugar Mills – Mangal Singh.




WORKSHOP PRACTICE

Subject title                          :           Workshop practice
Subject Code                      :           CH-ST-108
Periods per Week               :           06
Periods per Year                :           180
TIME SCHEDULE
S.No.
Major Topics
No. Of periods
1.
Carpentry
48
2.
Fitting and welding
72
3.
Basic machine operations
  44
4.
Plumbing
   16
TOTAL
180


OBJECTIVES
            Upon completion of the practice, the student will be able to

1.         Use of different tools in Carpentry, fitting, Welding and turning section of  workshop.
2.         Prepare various carpentry joints, panel boards and cabinet boxes.
3.         Hacksaw cutting, grinding, thread cutting for metal conduit; G.I. Pipes and roads etc, in fitting section.
4.         Handle welding transformer and make lap and butt joints.
5.         Exercise on lathe like simple turning, step turning, taper turning and knurling.
6.         Exercise on thread cutting for pipes and rods on Lathes.
7.         Hand drilling machines and grinding machine.
8.         Know the basics of plumbing work and applications.
8.1       Know the types of pipe joints.
      a) Understand the symbols.
      b) Know the materials used pipes.
      c) Assembling, threading, joining of pipes.
      d) Able to understand cross, T, L joints etc.
COURSE CONTENT
Following list of experiments are to be made by every student in the workshop

1. CARPENTRY

1.1       Exercises on planning, sawing and chiseling
1.2       Prepare a half lap joint
1.3       Prepare a Dovetail joint.
1.4       Prepare a Mortise joint.
1.5       Prepare a 20 cm X 15 cm Teakwood switch board with hinges and bottom hook.
1.6       Fix the laminate sheet to the above box and cut suitable holes to mount tone flush type switch, socket.

2.  FITTING and  WELDING

2.1       Exercises to cut a metal conduit, G.I. Pipe and solid rod using hack saw.
2.2       3 & 4 Thread cutting of G.I.pipe, metal conduit and solid rod using Die set.
2.3       5. & 6. Internal thread cutting using Tap set and cleaning the threads using reamers
            and make a hexagonal nut from a round rod.

WELDING
2.4       Prepare a job and to make a lap joint and finish it using grinder.
2.5       Prepare a job and make a butt joint and finish it with grinder.
2.6       Prepare the job and make ‘T’ joint.

3. MACHINE SHOP

3.1       Exercise on turning the given rod to get three different diameters using lathe.
3.2       Make a bolt and cut threads using lathe.
3.3       Cut the threads to G.I. Pipe using lathe.
3.4       Prepare a centre punch and knurl its head.
3.5       Make a square plate using power hack saw, remove sharp edges using grinder, make triangle and drill three holes of different diameters at the vertices.

4. PLUMBING
      Plumbing work and applications
1. Types of pipe joints .
2. Symbols
            3. Materials used for pipes
            4. Assembling, Threading , Joining of pipes.

            5. Different  fittings such as cross, L, T etc.,        
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