Diploma Jan 2022 Mechanical Department Daily Practice Questions | Yuvasallinfo
Diploma Jan 2022 Mechanical Department Daily Practice Questions | Yuvasallinfo
Mechanical Department Daily Practice Questions
Diploma is a short term classes generally of 2 or 3 years which mainly focus on training students in particular field. The admission to diploma course can be taken after clearing high school examination (10th). Diploma is being done through recognized university or an educational institution.
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டிப்ளமோ மாணவர்கள் இந்த ஜனவரி 2022 offline Exam ஐ எதிர்கொள்ள நாம் Yuvasallinfo அனைத்து Department மாணவர்களுக்கு பல்வேறு Study மெட்டீரியல்ஸ் வழங்கி வருகிறோம். இந்த Study Materials ஐ மாணவர்களாகிய நீங்கள் பயன்படுத்தி வருகிறீர்கள். இந்தத் தேர்வுக்கு மாணவர்கள் தங்களை தயார் செய்யும் விதமாக அடுத்த கட்டமாக Daily Practice Questions என்ற தலைப்பில் தினமும் அனைத்து Department மாணவர்களுக்கு Subject wise ஒரு Important Questions தினமும் வழங்க உள்ளோம்.
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12th Day:
இன்னும்தேர்வுக்குமீதமுள்ளநாட்கள்: 21 Days
Today (31.12.21) Preparation Questions
DME
III SEMESTER (N Scheme)
Strength of Materials
Mention the defects of steel.
Manufacturing Technology – I
Briefly explain the Pressure die casting.
Measurements and Metrology
Write a note on screw pitch gauge
Thermal Engineering – I
Write the dulongs formula.
V SEMESTER (M Scheme)
DESIGN OF MACHINE ELEMENTS
Mention the types of bearing and their applications.
THERMAL AND AUTOMOBILE ENGINEERING
What are the components of Clutch.
PROCESS PLANNING AND COST ESTIMATION
What is the use of cycle graph.
RENEWABLE ENERGY SOURCES AND ENERGY CONSERVATION
Explain OTEC.
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11th Day:
இன்னும்தேர்வுக்குமீதமுள்ளநாட்கள்: 22 Days
Today (30.12.21) Preparation Questions
DME
III SEMESTER (N Scheme)
Strength of Materials
Define angle of friction?
Manufacturing Technology – I
What is core? State the function of a core printing.
Measurements and Metrology
What are the applications of lasers?
Thermal Engineering – I
Define compression ratio and cut off ratio
V SEMESTER (M Scheme)
DESIGN OF MACHINE ELEMENTS
Classify the different types couplings explain any two types.
THERMAL AND AUTOMOBILE ENGINEERING
Compare petrol engine and diesel engine.
PROCESS PLANNING AND COST ESTIMATION
Compare the cost control and cost reduction.
RENEWABLE ENERGY SOURCES AND ENERGY CONSERVATION
Compare flat plate and concentrating collectors.
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Tenth Day:
இன்னும்தேர்வுக்குமீதமுள்ளநாட்கள்: 23 Days
Today (29.12.21) Preparation Questions
DME
III SEMESTER (N Scheme)
Strength of Materials
Manufacturing Technology – I
Explain five types of pattern allowances.
Measurements and Metrology
Write a note on screw pitch gauge.
Thermal Engineering – I
What are the requirements of a good fuels ?
V SEMESTER (M Scheme)
DESIGN OF MACHINE ELEMENTS
Design a knuckle joint to take a load of 𝟏𝟒𝟎𝒌𝑵 for the following permissible stresses: 𝟕𝟓𝑴𝑷𝒂 in tension, 𝟏𝟒𝟎 𝑴𝑷𝒂 in compression and 𝟔𝟓 𝑴𝑷𝒂 in shear.
THERMAL AND AUTOMOBILE ENGINEERING
What are the functions of Lubrication systems.
PROCESS PLANNING AND COST ESTIMATION
What are the recording techniques used in method.
RENEWABLE ENERGY SOURCES AND ENERGY CONSERVATION
List the components of Tidal power plant.
What is meant by Wave Machine?
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Ninth Day:
இன்னும்தேர்வுக்குமீதமுள்ளநாட்கள்: 24 Days
Today (28.12.21) Preparation Questions
DME
III SEMESTER (N Scheme)
Strength of Materials
State the laws of static friction.
Manufacturing Technology – I
Explain cupola furnance.
Measurements and Metrology
What are the types of laser?
What are the applications of lasers.
Thermal Engineering – I
What are the functions of lubrications system.
V SEMESTER (M Scheme)
DESIGN OF MACHINE ELEMENTS
Design a flat belt drive to transmit 22.5KW at 740 RPM to an aluminium rolling machine. The speed ratio is 3.The distance between the pulleys is 3m.Diameter of rolling machine pulley is 1.2m.use manufacturing data, ks =1.5, kd=0.9.
THERMAL AND AUTOMOBILE ENGINEERING
Explain Gear pump & Rotor pump.
PROCESS PLANNING AND COST ESTIMATION
Write the difference between cost estimation and costing.
RENEWABLE ENERGY SOURCES AND ENERGY CONSERVATION
Write short notes on Biomass liquefaction.
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Eighth Day:
இன்னும்தேர்வுக்குமீதமுள்ளநாட்கள்: 25 Days
Today (27.12.21) Preparation Questions
DME
III SEMESTER (N Scheme)
Strength of Materials
What is composite bar?
Define proof resilience.
Manufacturing Technology – I
What is the function of pressure regulator fixed on a gas cylinder?
Measurements and Metrology
Explain with neat sketch the construction and working of a gear tooth vernier.
Thermal Engineering – I
Explain the pump circulated water cooling system.
V SEMESTER (M Scheme)
DESIGN OF MACHINE ELEMENTS
Design V-belt drive to the following specification.
Power to be transmitted=75kw
Speed of driving wheel=1440 rpm
Speed of driven wheel =400rpm
Diameter of driving wheel =300mm
Centre distance =2500mm
Small pulley factor Fb=1.14
Service factor, Fa=1.3
Correction factor for length Fc=1.07.
THERMAL AND AUTOMOBILE ENGINEERING
Explain the Constant Mesh Gear Box with a neat sketch.
PROCESS PLANNING AND COST ESTIMATION
Calculate the total cost and selling price for a product from the data given below. Direct material cost = Rs.6000; Manufacturing wages = Rs.5000 Factory overhead =90% of manufacturing wages; Profit= 15% of total cost Non manufacturing overhead = 15% of factory cost.
RENEWABLE ENERGY SOURCES AND ENERGY CONSERVATION
Explain Floating drum Bio gas plant with a neat sketch.
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Seventh Day:
இன்னும்தேர்வுக்குமீதமுள்ளநாட்கள்: 26 Days
Today (26.12.21) Preparation Questions
DME
III SEMESTER (N Scheme)
Strength of Materials
List and explain the various mechanical properties of materials.
Manufacturing Technology – I
What is brazing? Describe briefly two methods of brazing?
Measurements and Metrology
Explain the screw thread terminology.
Thermal Engineering – I
Explain the full pressure lubrication system with neat sketch
V SEMESTER (M Scheme)
DESIGN OF MACHINE ELEMENTS
A journal bearing 300mm long and 150mm dia carries a radial load of 9kN at 1200rpm.The power lost in friction is 6K W. Viscosity of oil at room temperature is 0.018pa-s.Find the diametral clearance.
THERMAL AND AUTOMOBILE ENGINEERING
Explain with neat sketch the working of full pressure lubrication system.
PROCESS PLANNING AND COST ESTIMATION
Explain procedure for arriving at the selling price of a product with a block diagram.
RENEWABLE ENERGY SOURCES AND ENERGY CONSERVATION
Explain Municipal solid waste incineration plant with a neat sketch.
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Sixth Day:
இன்னும்தேர்வுக்குமீதமுள்ளநாட்கள்: 27 Days
Today (25.12.21) Preparation Questions
DME
III SEMESTER (N Scheme)
Strength of Materials
What are the classification of force system?
Define Load factor.
Manufacturing Technology – I
What are the uses of electrode holder and earth?
What are the types of consumable electrodes?
Measurements and Metrology
Explain the screw thread terminology
Thermal Engineering – I
Explain the working of four stroke petrol and diesel engine.
V SEMESTER (M Scheme)
DESIGN OF MACHINE ELEMENTS
Mention the types of bearing and their applications.
THERMAL AND AUTOMOBILE ENGINEERING
Explain Pump circulated water cooling system.
PROCESS PLANNING AND COST ESTIMATION
Explain method study procedure
RENEWABLE ENERGY SOURCES AND ENERGY CONSERVATION
List the methods to obtain ocean thermal energy and explain any one system with neat sketch..
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Fifth Day:
இன்னும்தேர்வுக்குமீதமுள்ளநாட்கள்: 28 Days
Today (24.12.21) Preparation Questions
DME
III SEMESTER (N Scheme)
Strength of Materials
- Write the relationship between E, C and K.
- State Hooke’s law.
Manufacturing Technology – I
List out the equipment’s required for arc welding.
Briefly explain hard facing
Measurements and Metrology
What is an error?
Define metrology.
Thermal Engineering – I
In an Otto cycle operation the compression ratio is changed from 4.5 to 8.5, determine increase in the air standard efficiency of the cycle.
V SEMESTER (M Scheme)
DESIGN OF MACHINE ELEMENTS
THERMAL AND AUTOMOBILE ENGINEERING
Compare petrol engine and diesel engine.
What are the advantages of steam power plant.
PROCESS PLANNING AND COST ESTIMATION
Compare the cost control and cost reduction.
What are the advantages of jigs and fixtures?
RENEWABLE ENERGY SOURCES AND ENERGY CONSERVATION
What are the disadvantages of vertical axis wind machine?
Write short note on standard of living.
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Fourth Day:
இன்னும்தேர்வுக்குமீதமுள்ளநாட்கள்: 29 Days
Today (23.12.21) Preparation Questions
DME
III SEMESTER (N Scheme)
Strength of Materials
- Define alloying?
- Define angle of friction?
- Mention the defects of steel.
Manufacturing Technology – I
1.Classify the Molding Sand.
- Briefly explain the Pressure die casting.
3.What is core? State the function of a core Printing
Measurements and Metrology
- What are basic units?
- Write a note on steel rule.
- Define least count of vernier caliper
Thermal Engineering – I
1 kg gas expanse isentropically and its temperature is absorbed to fall from 240° C to 110°C while doubled the work done by the gas is 90kJ in the process. Determine Cp, Cy and R for the gas.
V SEMESTER (M Scheme)
DESIGN OF MACHINE ELEMENTS
Design rigid flange coupling is to be designed to transmit 15kW at 90rpm.allowable shear stress for shaft, key and bolt is 40N/mm2 allowable crushing stress for key and bolt is 80N/mm2.allowable shear stress for flange material is 8N/mm2.Design the coupling.
THERMAL AND AUTOMOBILE ENGINEERING
- Explain cyclone separator.
- Draw valve timing diagram of four stroke petrol engine.
PROCESS PLANNING AND COST ESTIMATION
- Mention the factors influencing the process planning.
- List the advantages of generative process planning.
RENEWABLE ENERGY SOURCES AND ENERGY CONSERVATION
- What is meant by latent heat storage?
- Compare flat plate and concentrating collectors.
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Third Day:
இன்னும் தேர்வுக்கு மீதமுள்ள நாட்கள்: 30 Days
Today (22.12.21) Preparation Questions
DME
III SEMESTER (N Scheme)
Strength of Materials
A steel punch can be worked on to the compressive stress of 800 N/mm2. Find the least diameter of the hole which can be punched through a steel plate 28mm thick if the ultimate shear stress for the plate is 360 N/mm2.
Manufacturing Technology – I
Briefly explain the procedure for core making.
Measurements and Metrology
Describe in briefly about the various methods of measurements.
Thermal Engineering – I
Determine the final temperature, external work, change in internal energy, change in enthalpy and change in entropy in the case of 2 kg of gas at 50°C being heated at constant volume. Until the pressure is double.
V SEMESTER (M Scheme)
DESIGN OF MACHINE ELEMENTS
Design the knuckle joint to transmit a load of 60kN take allowable stresses as 60Mpa in tension,
7SMpa in compression and 40Mpa in shear.
THERMAL AND AUTOMOBILE ENGINEERING
Explain four stroke diesel engine with neat sketch.
PROCESS PLANNING AND COST ESTIMATION
A company is buying a component for Rs 30 per unit. The annual If it is made in the factory requirement is 7000 units. itself, the variable cost is Rs 3 per unit. The fixed cost will be Rs 200000 for the year. Can we accept the proposal. Find break even quality.
RENEWABLE ENERGY SOURCES AND ENERGY CONSERVATION
List the instruments used to measure solar radiation and explain sunshine recorder with a neat sketch.
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Second Day:
இன்னும் தேர்வுக்கு மீதமுள்ள நாட்கள்: 31 Days
Today (21.12.21) Preparation 14 ,10 Mark Questions
DME
III SEMESTER (N Scheme)
Strength of Materials
A steel bar is 450mm long. The two ends are 15mm diameter and have equal lengths. It is subjected to a tensile load of ISKN. If the stress in the middle portion is limited to 160 N/mm². Determine the diameter of that portion. Find also the length of the middle portion if the total elongation of the bar is 0.25mm. Young’s modulus of the material is given as E = 2 x105 N/mm².
Manufacturing Technology – I
Draw and explain operation of cupola furnace.
Measurements and Metrology
Explain the important types of errors in measurement.
Thermal Engineering – I
0.25 kg of air at a pressure of 1.1 bar and 15° C is compressed isothermally to a pressure of 5.5 bar. Calculate (i) final volume (ii) heat rejected (iii) change in entropy (iv) change in internal energy. Assume R =0.292 k J/ kg K.
V SEMESTER (M Scheme)
DESIGN OF MACHINE ELEMENTS
Classify the different types couplings explain any two types.
THERMAL AND AUTOMOBILE ENGINEERING
Explain vapour absorption refrigeration system.
PROCESS PLANNING AND COST ESTIMATION
Explain process selection procedure.
RENEWABLE ENERGY SOURCES AND ENERGY CONSERVATION
How is the site selection to be done for wind energy system.
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First Day:
இன்னும் தேர்வுக்கு மீதமுள்ள நாட்கள்: 32 Days
Today (20.12.21) Preparation 14 ,10 Mark Questions
DME
III SEMESTER (N Scheme)
Strength of Materials
Explain any seven Mechanical Properties of materials. (Unit 1)
Manufacturing Technology – I
With a neat sketch explain the Arc welding process (Unit 1)
Measurements and Metrology
Explain briefly the construction and use of vernier caliper with a neat sketch.
Thermal Engineering – I
Derive the relationship between Cp, Cv, and R
V SEMESTER (M Scheme)
DESIGN OF MACHINE ELEMENTS
Define any five mechanical properties of metals with at least one example (Unit 1)
THERMAL AND AUTOMOBILE ENGINEERING
Explain steam power plant with neat sketch. (Unit 1)
PROCESS PLANNING AND COST ESTIMATION
Explain various steps involved in value analysis.
(Unit 1)
RENEWABLE ENERGY SOURCES AND ENERGY CONSERVATION
With a neat sketch , explain horizontal axis wind mill also give the advantages and disadvantages of wind energy (Unit 1)
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