Manager PSU,
Worked @ SAIL, 
Cleared GATE 2012, 2013, SSC JE, CDS, AFCAT, BARC.
Best of luck for ESE Prelims.

Pawan Saini

In this course, Pawan Saini will discuss Metrology and Inspection. Important topic likes Accuracy and Precision, Interchangeability, Selective Assembly ,Limits, Fits and Tolerances, Allowance, Width Of Tolerance Zone, Tolerance Sink, Design of Limit Gauges, Violation of Taylor's Principle in Gauge, Gauge Material, Design, Numerical Values to Represent, Slip Gauges, Angle Blocks ,Sine Bar, Precision Ball Measurement, Vernier Callipers and Micrometer,interferometer, Optical Flat as Comparator, NPL Flatness Interferometer, Straightness, Flatness, Comparator, Sigma Comparators, Mikrokator , Pneumatic Comparators, Surface Finish, Lay and Flaw, Methods of Establishing Datum, Surface Finish, Representation of Surface Finish, Talysurf, Screw Thread Metrology, Acceptance Tests will be discussed in depth.

GATE (Graduate Aptitude Test in Engineering) 2020 & 2021 complete preparation with best educators. Know about the detailed syllabus, best books, exam pattern and dates, previous year question papers a

GATE & ESE

Hindi

(Hindi) Metrology and Inspection: GATE (Mechanical)

Metrology and Inspection

Manufacturing Engineering

Mechanical Engineering

GATE & ESE - ME & CH

GATE, ESE and IIT-JAM

Ace the toughest competitive and government exams in India 

Test Preparation

In this lecture Pawan Saini have discussed about Course Overview of Metrology and Inspection course.

Course Overview Metrology

In this lecture Pawan Saini have discussed about Metrology and Inspection and need for inspection. Importance of inspection in Industrial aspect is also discussed.

Metrology

In this lecture Pawan Saini have discussed about Accuracy and Precision. The difference between the two and how to correct it.

Precision and Accuracy

In this lecture Pawan Saini have discussed about error, types of error, absolute error, relative error, static error, dynamic error, environmental error and the factors leading to this error.

Types of Error

In this lecture Pawan Saini have discussed Interchangeability and it's uses and Importance.

Interchangeability

In this lecture Pawan Saini have discussed about shaft, hole, size, nominal size, Basic size, actual size and MCQ related to these concepts.

Basics of Shaft & Hole

In this lecture Pawan Saini have discussed about Limit, fit, tolerance, maximum limit, minimum limit, upper deviation, lower deviation and other important concepts.

Limit Fit & Tolerance

In this lecture Pawan Saini have discussed about allowance, tolerance, unilateral, bilateral tolerance, tolerance zone, grades of tolerance and figures explaining the same.

Allowance

In this lecture Pawan Saini have discussed about Zone line, Deviation, Upper Deviation, lower deviation, actual Deviation, mean Deviation, fundamental Deviation, fits, clearance fit, transition fit, interference fit and numerical based on it.

Deviation

In this lecture Pawan Saini have discussed about types of clearance fit, loose fit, running fit, slide fit, types of interference fit, shrink fit, medium fit, tight fit, types of transition fit, push fit, force fit, wringing fit, hole basis system, shaft basic system, maximum and minimum metal limit.

Types of Fit

In this lecture Pawan Saini have discussed about Basic of guages, hole, shaft, taper, thread, form, guage, standard guage, limit guage, indicating guage, combination guage, dimensions and Geometry measuring guages and numericals based on it.

Basics of Guages

In this lecture Pawan Saini have discussed about Dimensional metrology needs, plug gauges, ring guages, taper gauges and numerical questions.

Dimensional Guages

In this lecture Pawan Saini have discussed about Guages like Snap Guages, Snap Guages, Thread Guages, Screw pitch gauges, feller gauges and questions related to it.

Snap Thread Feller Guages

In this lecture Pawan Saini have discussed about Linear & Angular measurement, direct and indirect measuring instrument, graduated and non graduated, vernier instrument, vernier calliper and numerical questions.

Linear Measurement

In this lecture Pawan Saini have discussed about Vernier calliper reading methodology and Vernier depth guage.

Vernier Calliper & Vernier Height Guage

In this lecture Pawan Saini have discussed about Vernier Depth Guage, micrometer and how to take readings on micrometer.

Micrometer

In this lecture Pawan Saini have discussed about Bore guage, digital bore guages, dial indicator and Quiz related to it.

Boar Guage & Dial Indicator

In this lecture Pawan Saini have discussed about Slip Guages, its uses, Sine principle, Sine bar and Quiz section.

Slip Guages & Sine Bar

In this lecture Pawan Saini have discussed about Angle guages, their classification, sets of Angle guages, uses and questions asked in different exams.

Angle Guages

In this lecture Pawan Saini have discussed about Comparators, it's need, uses, classification of comparator, mechanical comparator and Quiz related to it.

Comparators

In this lecture Pawan Saini have discussed about Johansson Mikrokator, it's components, uses, Reed type mechanical comparator and Quiz related to it.

Johansson Mikrocator

In this lecture Pawan Saini have discussed about Sigma comparator and previous year GATE questions.

Sigma Comparator

In this lecture Pawan Saini have discussed about Mechanical optical comparator, it's working principle, pneumatic comparator and previous year questions.

Mechanical - Optical Comparators

In this lecture Pawan Saini have discussed about Pneumatic Comparators,  bevel protractor and previous year GATE and Engineering Services questions.

Pneumatic Comparators

In this lecture Pawan Saini have discussed about Basics of surface, Importance of surface finish and previous year questions.

Basics of Surface

In this lecture Pawan Saini have discussed about types of surface, real surface, geometrical surface, effective surface, surface texture, primary texture, secondary texture, surface roughness, roughness heights, width, roughness with cutoff and previous year questions asked in GATE & Engineering Services.

Types of Surface

In this lecture Pawan Saini have discussed about Surface texture, first order, second order, third order, fourth order, primary texture, secondary texture and questions related to it.

Surface Texture

In this lecture Pawan Saini have discussed about surface roughness evaluation techniques like CLA, Root mean square valuse,  mean line, Center line and objective questions asked in previous year exams.

Evaluation of Surface Roughness

In this lecture Pawan Saini have discussed about ten pt height of irregularities, Rmax, terms used in surface roughness, least square mean line and previous year questions asked in GATE and Engineering Services exam.

Terms used in Surface Roughness

In this lecture Pawan Saini have discussed about surface inspection techniques.

Methods of Measuring Surface Finish

In this lecture Pawan Saini have discussed about stylus equipment and other techniques to measure Surface roughness.

Stylus Probe Instrument

In this lecture Pawan Saini have discussed about profilometer, contact profilometer, non contact profilometer, Tomlinson surface meter, Taylor Hobson and questions related to GATE.

Profilometer

ies prelims cleared
gate 2018 cleared
gate 2019 cleared
4 year teaching experience



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Lessons

32 lessons • 4h 30m