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Archive - February 2021

Battery Ignition System
  • Mechanical

Battery Ignition System or Coil System

February 27, 2021
by Santhakumar Raja
3 min read
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It is employed in petrol engines. Fig shows the wiring diagram of a simple coil battery ignition system of a four cylinder engine. This system is used in automobiles. Construction: It consists of a battery, ignition coil...

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Magneto ignition system
  • Mechanical

Magneto Ignition System Advantages and Disadvantages

February 27, 2021
by Santhakumar Raja
3 min read
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In magneto ignition system, the battery is replaced with a magneto. Fig. shows the wiring diagram of a magneto ignition system. It consists of a switch, magneto, contact breaker, condenser, distributor and spark plugs. This...

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Systematic and Random Errors in Measurement
  • Mechanical

Systematic and Random Errors in Measurement

February 26, 2021
by Santhakumar Raja
3 min read
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Systematic and Random Errors in Measurement Systematic error is usually divided into two different categories: Instrumental errors Environmental errors Instrumental error : These errors are due to shortcomings of the...

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Errors in Measurement
  • Mechanical

Errors in Measurement – and Types of Error

February 26, 2021
by Santhakumar Raja
4 min read
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Errors in measurement = Measured Value – True value Error is the different between the measured value and the true value. The errors in measurement can be expressed either as an absolute error or an relative error. Absolute...

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Types of Carburetor
  • Mechanical

Types of Carburetor and Working, Defects

February 25, 2021
by Santhakumar Raja
4 min read
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The types of carburetor can be classified according to the following considerations. Carburetors are used almost all SI engine for the preparation of combustible air fuel mixture as a charge. Types of carburetor are : According...

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Two Stroke Cycle Engine
  • Mechanical

Two Stroke Cycle Engine Working – S.I Engine

February 25, 2021
by Santhakumar Raja
5 min read
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In two stroke cycle engine, one working cycle is completed in two strokes of the piston (one up and down movement) or one revolution of the crankshaft. Hence, it is called as two stroke engines. One working cycle consists of the...

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4 Stroke Cycle Engines
  • Mechanical

4 Stroke Cycle Engines Working – S.I Engine

February 24, 2021
by Santhakumar Raja
4 min read
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In 4 stroke cycle engines, one working cycle is completed in four stroke of the piston or two revolution of the crankshaft. Hence, it is called as four stroke engine. In 4 stroke engine, 2 valves are placed instead of port as...

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Internal Combustion Engines
  • Mechanical

Internal Combustion Engines – IC Engines

February 24, 2021
by Santhakumar Raja
6 min read
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The Internal Combustion engines (I.C engine) is a heat engine that converts chemical energy of fuel into mechanical energy. Chemical energy of a fuel is first converted into thermal energy by means of combustion or oxidation with...

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Measuring Instruments - Liquid level indicator
  • Mechanical

Measuring Instruments- Spring Balance and Beam Balance

February 23, 2021
by Santhakumar Raja
6 min read
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Large number and variety of variables are involved in measurement in practice. These variables may be constant with time or time varying. Measurement of the weight of an object is the example of time constant measurement. The...

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Metric System of Measurement - Generalized Measuring System
  • Mechanical

Metric System of Measurement – Generalized Measuring System

February 23, 2021
by Santhakumar Raja
9 min read
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Measurement is a comparison of a given unknown quantity with one of its predetermined standard values adopted as a unit. Metric system of measurement provides us with means of describing various phenomena in quantitative terms...

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  • Assessment of Microbial Contamination and Spoilage Assessment of Microbial Contamination and Spoilage
    by Santhakumar Raja
  • Standardisation of Amino Acids Standardisation of Amino Acids – theteche.com
    by Santhakumar Raja
  • Cavities Prepared in Sterile Agar Medium for Assay of Antibiotics Cup-Plate or Cylinder-Plate Method
    by Santhakumar Raja
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    by Santhakumar Raja
  • Curve of Diameter of Zone of Inhibition versus Log Concentration of Antibiotics Methods for Standardisation of Antibiotics
    by Santhakumar Raja
  • Methods of Prevention of Contamination Methods of Prevention of Contamination – theteche.com
    by Santhakumar Raja
  • Different Sources of Contamination in an Aseptic Area Different Sources of Contamination in an Aseptic Area
    by Santhakumar Raja
  • Vertical Laminar Airflow Hood Types of Laminar Airflow Hood – theteche.com
    by Santhakumar Raja
February 2021
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