BASIC WORKSHOP TECNOLOGY (8245)
CHAPTER
Chapter 1. Engineering Materials :Properties and uses
of common Engineering Materials such as Cast Iron,
Mild Steel, High Carbon Steel, Alloy Steel, Stainless
Steel, Copper, Brass, Tin Zinc, Gunmetal, Bronze, White
metal, Aluminium,
Non Metals : Wood, Plastic, Rubber.
Importance of safety precautions in workshop.
Chapter 2. Measuring Instruments :
Verneir caliper,
Micrometer,
Height gauge,
Dial indicator, Sine bar
SHORT ANSWER QUESTIONS
1. What are the uses of wrought iron?
2. Name few important properties of cast iron.
3. What are the uses of copper?
4. Write the types of steels.
5. What is the composition of brass?
LONG ANSWER QUESTIONS
1. How steel is classified? Explain in detail.
2. Explain briefly about Non-ferrous metals.
3. List out the general precautions that should be
observed in workshop.
1. What is least count of Vernier caliper?
2. Write the working principle of Micro meter.
3. What is the use of Sine bar?
4. What are the uses of D.T.I.?
5. Draw a neat sketch of Vernier height gauge.
1. Explain the working of Vernier caliper with a sketch.
2. Draw a neat sketch of sine bar. How it is used for
measuring the angle?
3. Explain the reading procedure of a micro meter with
a sketch.
Chapter 3. Fitting & Drilling:
Cutting Tools – Chisels, Hacksaws, files, scrapers, Drill
Bits, reamers, Taps, Dies and Sockets,
Striking tools: Hammers, Holding Devices –Vices,
Marking Tools & Miscellaneous tools,
Checking & Measuring Instruments, Calipers & Dividers,
Drilling Machines –Sensitive and Radial,
Various Fitting and Drilling operations.
1. List out the marking tools used in fitting shop.
2. Draw a file and label its parts.
3. What are the uses of outside caliper and inside
caliper?
4. What is a Tap? Name the three taps in a set.
5. Name the types of vices used in fitting shop.
6. Name the parts of a Drilling machine.
1. How files are classified? Explain in detail.
2. A) Explain the working of combination set.
B) Sketch and describe V block.
3. Explain the various fitting operations.
4. How the drills are classified?
5. Explain the parts of Twist drill with sketch.
Chapter 4. Sheet Metal Work :
Metals used for sheet metal work,
sheet metal hand tools – measuring and cutting tools,
stakes,
Sheet metal operations – Shearing, bending, Drawing,
Squeezing,
Sheet metal joints – Hem & Seam Joints,
Fastening methods – Riveting, soldering Brazing and
spot welding.
1. List out the marking tools used in sheet metal shop.
2. Mention the types of snips used in sheet metal work.
3. Draw a neat sketch of stake and label its parts.
4.Mention the types of sheets used in sheet metal work
5. What is spot welding?
6. What is seaming? Name any four types of seams.
1. Explain any four types of snips used in sheet metal
work with sketch.
2. Sketch and explain any four stakes used in sheet
metal shop.
3. Explain the types of sheets used in sheet metal work.
4. How many types of sheet metal operations? Explain
any two operations.
Chapter 5. Foundry :
Advantages and limitations of Casting,
foundry equipment – Hand moulding Tools,
Moulding Boxes,
Types of sands and properties,
Patterns : Classification & Making, Cores & Core making
Castings:
Green sand and dry sand moulding, Shell Moulding,
ceramic moulding, Special castings, Defects in castings.
Chapter 6. Forging and Welding :
Hand Forging, Hand Tools, Heating Devices,
Smith Operations, Machine Forging, Forging hammers,
Forging press, Machine Forging Operations,
Welding: Arc Welding & Gas Welding,
TIG & MIG Welding.
1. List out hand moulding tools used in foundry shop.
2. Mention the sands used for moulding work.
3. What is the use of split pattern?
4. What are the uses of core?
5. Write the difference between dry sand and green
sand mould.
6. What are the common defects of casting?
1. What are the advantages and disadvantages of
casting?
2. Explain the properties of moulding sand.
3. How many types of patterns. Explain any two
patterns with sketch.
4. Explain various defects occur in the casting.
1. What is the use of anvil?
2. Mention the types of tongs used in forging shop.
3. What is the difference between Punch and Drift?
4. List out the gas welding equipment.
5. What is the upsetting and Drawing down?
6. Write the uses of Swages.
1. Explain machine forging operations with sketch.
2. Explain about Arc welding equipment.
3. Explain the types of gas welding flames with sketch.
4.Write short notes on a)TIG b)MIG
Chapter 7. Lathe and Grinding :
Lathe main parts, simple Lathe operation
Grinding – working principle,
Grinding wheel materials,
Applications of Grinding.
1. What is the function of Lathe?
2. List out main parts of Lathe.
3. What is knurling?
4. What is the function of Grinding wheel?
5. Write the function of Tail stock.
1. How many types of lathe operations? Explain any
two operations with sketch.
2. Draw a sketch of lathe and explaining its parts.
3.Explain briefly about Grinding operations and
applications
Chapter 8. CNC Technology :
1. Define CNC machine.
CNC Machines, Advantages,
2. Define NC.
Comparison between CNC m/c & Conventional 3. What are the functions of G code and M code?
machine,
G-Codes & M-Codes,
Simple CNC programme for plain & step turning,
1. Compare between Conventional machine & CNC
machines.
2. Draw a programme chart for chamfering, Corner
radius and threading operation.
3. Give a simple CNC programme for step turning.
MECHANICAL TECNOLOGY (8246)
CHAPTER
1. Thermo Dynamics: 1.1 Introduction,
1.2 Thermo dynamic system,
1.3 Types of thermo dynamic systems,
1.4 Properties thermodynamic systems,
1.5 definitions of properties like pressure (P)
Volume (V) Temperature (T) Enthalpy, Atmospheric
pressure, Internal Energy, specific heat.
2. Laws of Thermodynamics :
2.1 Zeroth law of thermodynamics,
2.2 First law of thermodynamics,
2.3 Second law of thermo dynamics
SHORT ANSWER QUESTIONS
1. Explain the terms system surrounding and
boundary.
2. Explain the closed system.
3. Explain the open system.
4. Explain the isolated system.
5. Explain the terms pressure and temperature.
6. Explain the terms enthalpy and internal energy.
7. Explain the Intensive properties.
8. Explain the Extensive properties.
1. Explain Zeroth law of thermodynamics.
2. Explain first law of thermodynamics.
3. Explain second law of thermodynamics.
LONG ANSWER QUESTIONS
3. Laws of perfect gases :
3.1 Introduction,
3.2 Brief Explanation of Boyles Law, Charles Law,
Avogadro’s Law, Joules law, Regnaults law,
3.3 Characteristic of gas equation, 1.4 General gas
equation
1. Define perfect gas.
2. Explain the Boyle’s law.
3. Explain the Charle’s law.
4. State the Regnaults law.
5. Explain the Joule’s law.
6. Explain the Avogadro’s law.
1. Explain the characteristic gas equation.
4. Thermo dynamics process in gases :
4.1 Types of thermodynamic processes,
4.2 Constant volume process, constant pressure
process, constant temperature process, Adiabatic
process, polytrophic process,
4.3 Equation for work done during the above
processes and calculations of change of internal
energy, 4.4 Evaluation of heat supplied or rejected
during the process
1. Write the different types of Thermodynamic
processes.
2. Draw the P-V diagram of the constant volume
process.
3. Draw the P-V diagram of the constant pressure
process.
4. Draw the P-V diagram of the Adiabatic process.
5. What is the difference between Isothermal and
Adiabatic process.
1. Explain the constant volume process and derive an
expression Work done, change in internal energy, heat
supplied and relation between P, V and T.
2. Derive all expressions for constant pressure process.
3. Explain and derive all expressions for Isothermal process.
4. Explain and derive all expressions for Adiabatic process.
5. Explain and derive all expressions for Polytropic process.
5. Fuels and combustions :5.1 Introduction,
5.2 Types of fuels, solid fuels, liquid fuels, gaseous
1. What is meant by term fuel? What are its
constituents?
1. Explain some solid fuels.
2. Explain briefly about liquid fuels.
fuels,
5.3 Merits and demerits of liquid fuel,
5.4 Merits and demerits of gaseous fuels, 5.5
Calorific value
2. Explain the term ‘Calorific value.’
3. Write the types of fuels.
4. Explain higher calorific value.
5. Explain lower calorific value.
3. Explain different types of gaseous fuels.
4. What are the merits and demerits of liquid fuels?
5. What are the merits and demerits of gaseous fuels?
6. Air standard cycles :
6.1 Introduction,
6.2 Study of carnot cycle, Otto Cycle, Diesel cycle,
6.3 Comparison of Otto Cycle and Diesel Cycle.
1. What is air standard cycle?
2. Draw the P-V diagram of Otto cycle.
3. Draw the P-V diagram of Diesel cycle.
4. Draw the P-V diagram of Carnot cycle.
1. Derive an expression for thermal efficiency of Carnot cycle.
2.Derive an expression for thermal efficiency of Otto cycle
3. Derive an expression for thermal efficiency of Diesel cycle.
4. Write comparison between Otto cycle and Diesel cycle.
7. I.C. Engines :
7.1 Heat Engines, 7.2 Classification of engines
7.3 Classification of I.C. Engines,
7.4 Working principle of two stroke petrol and
diesel engine,
7.5 Working principle of four stroke petrol and
diesel engine,
7.6 Comparison between two stroke and four
stroke cycle engine,
7.7 Comparison between petrol & diesel engine,
7.8 Carburetor, fuel injection pump.
1. Define Heat engine.
2. Write how the I.C. Engines are classified.
3. Explain the scavenging.
4. Write the function of Carburetor.
8. Pumps :
8.1 Functions of a pump,
8.2 Classification of pumps,
8.3 Applications of pump,
8.4 Working of centrifugal, reciprocating, jet,
submersible pumps.
1. Define pump.
2. Mention the functions of pump.
3. Mention the applications of pump.
4. Mention any two varieties of dynamic pumps.
5. What is priming?
1. With neat sketch explain the working principle of two stroke
diesel engine.
2. With neat sketch explain the working principle of two stroke
petrol engine.
3. With neat sketch explain the working principle of four stroke
diesel engine.
4. With neat sketch explain the working principle of four stroke
petrol engine.
5. With neat sketch explain the working principle of
Carburetor.
6. With neat sketch explain the working principle of fuel
injection pump.
1. Explain in detail the classification of pumps.
2. With neat sketch explain the working of centrifugal pump.
3. With neat sketch explain the working of Reciprocating
pump.
4. With neat sketch explain the working of Jet pump.
5. With neat sketch explain the working of Submersible pump.
ELECTRICAL TECNOLOGY (8247)
CHAPTER
1. Safety :
1.1 Introduction,
1.2 Safety precautions,
1.3 Removal from Electric Shock,
1.4 Methods of Artificial Respiration,
1.5 Hand tools of an electrician
2.Basic Electricity : 1 Introduction, 2 Electric
Potential,.3 Potential Difference, 4 Resistance, 5
Current,6 Ohm’s Law,2.7 Problems on ohm’s
Law,2.8 Laws of Resistance,2.9 Specific
Resistance,.10 Specific conductivity,.11 Effects
of Temperature on Resistance,2.12 Series and
parallel Connections of Resistance,2.13 Simple
problems on series and parallel,2.14 Kirchoff’s
Laws,2.15 Problems on Kirchoff’s Law,2.16
Wheat stone Bridge
3. Work, Power and Energy :3.1 Work and its units,
3.2 Power and its units,3.3 Energy and its units,
3.4 Electrical power,,3.5 Electrical Energy,
3.6 Simple problems on Monthly electricity bills.
4. Conductors and Insulators:
4.1 Conductors, 2 Properties of conductors,
4.3 Insulators, 4.4 Properties of insulators,
4.5 Semi conductors,
4.6 Grading of conducting wires.
SHORT ANSWER QUESTIONS
1. What are the important instructions regarding electric
shock should be displayed in industries?
2. What will you do if any person is shocked by electric
current or he is in contact with a live – line?
3. Write a short note on ‘Electric shock’.
4. What is artificial respiration?
5. Mention the two methods of artificial respiration.
6. Mention the new methods of artificial respiration.
7. Mention the hand tools of an electrician.
8. What are the main types of files?
9.Write a short note on care and maintenance of tools
1. What is Electric Potential? Give units.
2. Define potential difference and state units.
3. Define i) Current ii) E.M.F.
4. What is Resistance? Give units. 5. State Ohm’s law.
6. Define resistivity and state units.
7. Define temperature coefficient of resistance.
8. Define a network. 9. Define loop and junction.
10. State Kirchhoff’s current law.
11. State Kerchief’s voltage law.
1. Define work, give units. 2. Define power, give units.
3. Define energy, give units. 4. What is Electric power, give
units? 5. What is Electric energy, give units?
LONG ANSWER QUESTIONS
1. What safety precautions would you observe to avoid electrical
accidents?
2. What precautions will you observe while working on an
electrical machine?
3. Explain about ‘Removal of Electric Shock’?
4. Explain the different methods of artificial respiration.
5. Describe main hand tools of an Electrician.
1. Define Conductor. Give examples.
2. Define Insulator. Give examples.
3. Define Semi Conductor. Give examples.
4. What are the classifications of Insulators?
1. What are Conductors? Give the general properties of
conductors. 2. What are Insulators? Give the general properties
of Insulators.3. Explain ‘Grading of Conducting wires’.
4. Explain the uses of Conductors in wires.
1. Derive an expression for an equivalent resistance when three
resistances are connected in series.
2. Derive an expression for an equivalent resistance when three
resistances are connected in parallel.
3. State and explain Kirchhoff’s laws of electric current.
1.Write short notes on i)Work ii)Power iii)Energy
2.Explain i)Electric power ii)Electrical energy
5. Electrical Accessories :
5.1 Electrical Accessories and their uses,
5.2 Switches and their types,
5.3 Lamp holders and their types,
5.4 Ceiling rose, 5.5 Pin plug,
5.6 Socket and adopter,
5.7 Fuses, 5.8 Wires and cables.
1. What are electric accessories? Mention their uses.
2. What are the types of switches? 3. Mention the types of
Lamp holders.4. What is Ceiling rose?5. What is Pin plug?
6. What is socket? Mention the types.7. What is adaptor?
Mention the types. 8. What is fuse cut out? Mention the
types.9. Mention the types of cables. 10. What is MCB’S?
1. What are the types of switches and explain.
2. What are the types of lamp holders and explain.
3. Write short notes on i) Ceiling rose ii) MCB’s iii) Socket and
Adaptor.
4. Explain different types of wires used in electrical wiring.
6. Magnetism and Electro Magnetism :6.1 Some important
Definitions of Magnetism,
6.2 Magnetic field,6.3 Magnetic poles,6.4 Magnetic lines of
force,6.5 Magnetic flux,6.6 Flux Density,6.7 Magneto
motive force,6.8 Reluctance,6.9 Care and maintenance of
magnets, 6.10 Magnetic field around a current carrying
conductor,6.11 Comparison between Electric and Magnetic
Circuits.
1. Define Magnetic poles. 2. Define Magnetic axis.
3. Define Magnetic lines of force.
4. Define magnetic field. 5. Define Magnetic flux.
6. Define flux density.7. Define Magneto motive force.
8. Define Reluctance. 9. What is Magnetic circuit?
1.Write short notes on i)Flux density ii)Magneto motive force
iii)Reluctance
2. Give the detailed comparison between Electric circuit and
Magnetic circuit.
3. Explain about car and maintenance of magnets.
8. Electrical Machines :8.1 D.C Generator, 8.2
Principle of working,8.3 Parts of Generator,8.4
D.C. Motors,8.5 Principle of Working,8.6 Parts
of Motor, 8.7 Flemings Left hand and Right
hand rule, 8.8 Trouble shooting in an electric
motor.
1. State Faraday’s first law of electromagnetic induction.
2. State Faraday’s second law of electromagnetic
induction. 3. State Lenz’s law.4. State Fleming’s Right hand
rule.5. What are the uses of self inductance?
6. What are the uses of mutual inductance?
1. State and explain Faraday’s laws of electromagnetic induction.
2.Write short notes on i)Self induction ii)Mutual induction
8. Electrical Machines :8.1 D.C Generator,
8.2 Principle of working,8.3 Parts of
Generator,8.4 D.C. Motors,8.5 Principle of
Working,8.6 Parts of Motor, 8.7 Flemings
Left hand and Right hand rule, 8.8 Trouble
shooting in an electric motor.
9. Electrical Appliances :
1 Immersion Rod, 2 Electric Iron, 3 Electric
stove, 4 Geyser,
5 Water Heater,6 Ceiling Fan
1. What is D.C. Generator?
2. What is the working principle of D.C. Generator?
3. Mention the parts of D.C. Generator.
4. What is D.C Motor? 5. Mention the parts of D.C. Motor.
6. What is the working principle of D.C. Motor?
7. State Flemings left and right hand rule.
1.Mention the parts of i)Electric Iron
ii)Electric stove
iii)Non pressure type water heater
iv)Pressure type water heater
v)Ceiling fan
1. Distinguish between Cell and Battery. 2. What are the
types of Batteries? 3. Mention the parts of Lead acid cell.
4. What is the purpose of separators in the cell?
5. What is the electrolyte used in Lead acid battery? Give
the composition.
1. Explain the working principle of D.C. Generator with sketch.
2. Explain the working principle of D.C. Motor with neat sketch.
3. Describe the parts of the practical generator.
4. Describe the parts of the practical motor.
5. Explain the trouble shooting and remedies of electric motor.
10. Batteries :10.1 Batteries, 10.2 Cell,10.3
Lead-Acid Cell Construction,10.4
Applications of Lead-Acid Cells,10.5 Care
and Maintenance of Cells,10.6 Charging
and discharging of Batteries..
1. Explain the working principle of immersion rod with sketch.
2. Explain the working principle of Electric iron with sketch.
3. Explain the working principle of Electric stove with sketch.
4. Explain the working principle of water heater with sketch.
5. Explain the working principle of Ceiling fan with sketch.
1. Describe the Lead Acid cell construction with neat sketch.
2. What are the applications of Lead acid cell?
3. Explain about care and maintenance of cell.
4. Explain charging and discharging of batteries with chemical
reactions.