Subject At a Glance
Compulsory Items | |||
S. No | Topic/Item | Status | Time of Completion |
1 | Theory | Only Chapters 6 and 7 are pending | By June end |
2 | GATE Questions Videos | Only 2019, 2020 years pending | By June end |
3 | GATE Question as Quizzes | Only 2019, 2020 years pending | By June end |
4 | Class Notes | Not Ready | By Aug End |
Optional Items | |||
4 | ESE Objective Quizzes | Available in eclasses | |
5 | ESE Mains Q&As | Pdfs will be provided | |
6 | IAS Prelims Q&As | Pdfs will be provided | |
7 | IAS Mains | Pdfs will be provided |
Details of Topics Covered
Theory | Video Time |
1.1 Introduction: Kinematic link | 0:25:57 |
1.2 Kinematic pair: Lower and higher pair, No of constraints in a pair | |
1.3 Degrees of freedom with examples | 1:04:50 |
1.4 Redundant degrees of freedom, Minimum no of links in a unit DOF mechanisms | 0:50:41 |
1.5 Inversion of 4 bar mechanism | 0:35:54 |
1.6 Inversions of slider-crank mechanism: Quick Return Mechanisms | 1:00:41 |
1.7 Inversions of Double slider mechanism | 0:18:46 |
1.8 Mechanical advantage of a mechanism and its variation with transmission angle | 0:41:56 |
1.9 Velocity of mechanism by using vector analysis | 0:40:54 |
1.10 Vector velocity analysis of 4-bar mechanism | 0:34:14 |
1.11 Vector velocity analysis of slider crank and quick return mechanisms | 0:52:13 |
1.12 Vector velocity analysis of double slider linkage, velocity of rubbing of pin joints | 0:18:33 |
1.13 Velocities using Instantaneous centre(I.C) method, location of I.C | 0:48:38 |
1.14 Instantaneous centre velocities for 4-bar, slider crank and double slider mechanisms | 1:04:06 |
1.15 Velocity of circular disk rotating on the ground without slipping | 0:42:10 |
1.16 Acceleration analysis | 0:26:30 |
1.17 Coriolis acceleration | 0:36:28 |
1.18 Acceleration analysis of four bar mechanisms | 0:32:54 |
1.19 coriolis acceleration of an ant walking on a disk, other examples | 0:26:36 |
Gate | |
1.30 Analysis of Planar Mechanisms Gate Mech, Previous Objective Questions, Year 1992 – [2M][1Q] | 0:06:13 |
1.31 Analysis of Planar Mechanisms Gate Mech, Previous Objective Questions, Year 1993 – [2M][1Q] | 0:03:14 |
1.32 Analysis of Planar Mechanisms Gate Mech, Previous Objective Questions, Year 1995 – [2M][1Q] | 0:07:09 |
1.33 Analysis of Planar Mechanisms Gate Mech, Previous Objective Questions, Year 1996 – [2M ][1Q] | 0:09:08 |
1.34 Analysis of Planar Mechanisms Gate Mech, Previous Objective Questions, Year 1999 – [2m][1Q] | 0:21:16 |
1.35 Analysis of Planar Mechanisms Gate Mech, Previous Objective Questions, Year 2003 – [1M][1Q] – 1 | 0:03:10 |
1.36 Analysis of Planar Mechanisms Gate Mech, Previous Objective Questions, Year 2003 – [1M[1Q] – 2 | 0:02:44 |
1.37 Analysis of Planar Mechanisms Gate Mech, Previous Objective Questions, Year 2003 – [2M][1Q] | 0:11:15 |
1.38 Analysis of Planar Mechanisms Gate Mech, Previous Objective Questions, Year 2003 -[2M][1Q] | 0:09:50 |
1.39 Analysis of Planar Mechanisms Gate Mech, Previous Objective Questions, Year 2004 – [1M][1M] | 0:04:34 |
1.40 Analysis of Planar Mechanisms Gate Mech, Previous Objective Questions, Year 2004 – [2M][1Q] – 1 | 0:11:44 |
1.41 Analysis of Planar Mechanisms Gate Mech, Previous Objective Questions, Year 2004 -[2M][1Q] – 2 | 0:11:35 |
1.42 Analysis of Planar Mechanisms Gate Mech, Previous Objective Questions, Year 2005 -[1M][1Q] – 1 | 0:01:38 |
1.43 Analysis of Planar Mechanisms Gate Mech, Previous Objective Questions, Year 2006 – [1M][1Q] – 1 | 0:01:50 |
1.44 Analysis of Planar Mechanisms Gate Mech, Previous Objective Questions, Year 2007 – [1M][1Q] – 1 | 0:16:57 |
1.45 Analysis of Planar Mechanisms Gate Mech, Previous Objective Questions, Year 2007 – [1M][Q] – 2 | 0:18:18 |
1.46 Analysis of Planar Mechanisms Gate Mech, Previous Objective Questions, Year 2008 – [1M][1Q] | 0:01:24 |
1.47 Analysis of Planar Mechanisms Gate Mech, Previous Objective Questions, Year 2009 – [1M][1Q] | 0:05:14 |
1.48 Analysis of Planar Mechanisms Gate Mech, Previous Objective Questions, Year 2010 – [1M][1Q] – 1 | 0:04:02 |
1.49 Analysis of Planar Mechanisms Gate Mech, Previous Objective Questions, Year 2010 – [1M][1Q] – 2 | 0:03:24 |
1.50 Analysis of Planar Mechanisms Gate Mech, Previous Objective Questions, Year 2010 – [1M][1Q] – 3 | 0:07:49 |
1.51 Analysis of Planar Mechanisms Gate Mech, Previous Objective Questions, Year 2010 – [2M[[1Q] | 0:13:52 |
1.52 Analysis of Planar Mechanisms Gate Mech, Previous Objective Questions, Year 2011 – [1M][1Q] | 0:07:58 |
1.53 Analysis of Planar Mechanisms Gate Mech, Previous Objective Questions, Year 2011 – [2M][1Q] | 0:10:17 |
1.54 Analysis of Planar Mechanisms Gate Mech, Previous Objective Questions, Year 2012 – [1M][1Q] – 1 | 0:04:07 |
1.55 Analysis of Planar Mechanisms Gate Mech, Previous Objective Questions, Year 2012 – [1M][1Q] – 2 | 0:11:58 |
1.56 Analysis of Planar Mechanisms Gate Mech, Previous Objective Questions, Year 2013 – [1M][[1Q] – 1 | 0:06:29 |
1.57 Analysis of Planar Mechanisms Gate Mech, Previous Objective Questions, Year 2013 – [1M][1Q] – 2 | 0:07:02 |
1.58 Analysis of Planar Mechanisms Gate Mech, Previous Objective Questions, Year 2014 – [1M][1Q] – 1 | 0:06:57 |
1.59 Analysis of Planar Mechanisms Gate Mech, Previous Objective Questions, Year 2014 – [1M][1Q] – 2 | 0:15:16 |
1.60 Analysis of Planar Mechanisms Gate Mech, Previous Objective Questions, Year 2014 – [1M][1Q] – 3 | 0:03:32 |
1.61 Analysis of Planar Mechanisms Gate Mech, Previous Objective Questions, Year 2014 – [1M][1Q] – 4 | 0:03:00 |
1.62 Analysis of Planar Mechanisms Gate Mech, Previous Objective Questions, Year 2014 – [2M][1Q] – 1 | 0:09:55 |
1.63 Analysis of Planar Mechanisms Gate Mech, Previous Objective Questions, Year 2014 – [2M][1Q] – 2 | 0:15:47 |
1.64 Analysis of Planar Mechanisms Gate Mech, Previous Objective Questions, Year 2015 – [1M][1Q] – 1 | 0:03:03 |
1.65 Analysis of Planar Mechanisms Gate Mech, Previous Objective Questions, Year 2015 – [1M][1Q] – 2 | 0:07:28 |
1.66 Analysis of Planar Mechanisms Gate Mech, Previous Objective Questions, Year 2015 -[2M][[1Q] – 1 | 0:11:36 |
1.67 Analysis of Planar Mechanisms Gate Mech, Previous Objective Questions, Year 2015 -[2M][1Q] – 2 | 0:03:24 |
1.68 Analysis of Planar Mechanisms Gate Mech, Previous Objective Questions, Year 2015 -[2M][1Q] – 3 | 0:08:37 |
1.69 Analysis of Planar Mechanisms Gate Mech, Previous Objective Questions, Year 2016 – [2M][1Q] | 0:23:15 |
1.70 Analysis of Planar Mechanisms Gate Mech, Previous Objective Questions, Year 2017 – [2M][1Q] | 0:15:34 |
1.71 Analysis of Planar Mechanisms Gate Mech, Previous Objective Questions, Year 2018 – [1m][1Q] | 0:05:31 |
ESE Prelims | |
1.72 Analysis of planar mechanism ESE Mech, Previous Objective Questions, Year – 2003 [1Q] | 0:05:00 |
1.73 Analysis of planar mechanism ESE Mech, Previous Objective Questions, Year – 1994 [1Q] | 0:03:30 |
1.74 Analysis of planar mechanism ESE Mech, Previous Objective Questions, Year – 1995 [1Q] | 0:03:42 |
1.75 Analysis of planar mechanism ESE Mech, Previous Objective Questions, Year – 2000 [1Q] | 0:03:47 |
Theory | Video Time |
2.1 Introduction: Frictional disks | 0:18:22 |
2.2 Gear terminology | 0:55:19 |
2.3 Law of gearing for constant velocity ratio | 0:15:15 |
2.4 Teeth profiles: Cycloidal and Involute teeth profiles | 0:25:40 |
2.5 Comparison of Cycloidal and Involute teeth profiles | 0:10:33 |
2.6 Path of contact, arc of contact and contact ratio | 0:26:45 |
2.7 Example problem on path of contact and arc of contact | 0:25:28 |
2.8 Example problem on path of contact and arc of contact | 0:16:51 |
2.9 Interference in involute gears and ways to avoid the interference | 0:46:21 |
2.10 Example problem on interference | 0:12:32 |
2.11 Gear trains introduction | 0:12:50 |
2.12 Simple gear train: Tumbler mechanism | 0:30:11 |
2.13 Compound gear train with 2 speed sliding gear box example | 0:22:32 |
2.14 Reverted gear train with wall clock example | 0:30:43 |
2.15 Example problem of reverted gear train | 0:11:53 |
2.16 Epicyclic gear train with tabular velocity method | 0:37:48 |
2.17 Epicyclic gear train velocity analysis | 0:33:17 |
2.18 Example problem of epicyclic gear train | 0:14:22 |
2.19 Torques in the epicyclic gear trains | 0:24:22 |
2.20 Classification of gears (After 2.1 video) | |
2.21 Helical gears(After 2.2 video) | |
Summary | 0:22:45 |
Gate | |
2.30 Gear and Gear Trains Gate Mech, Previous Objective Questions, Year 1995 [2m] [1Q] | 0:07:28 |
2.31 Gear and Gear Trains Gate Mech, Previous Objective Questions, Year 1996 [5m] [1Q] | 0:06:43 |
2.32 Gear and Gear Trains Gate Mech, Previous Objective Questions, Year 1999 [5m] [1Q] | 0:02:51 |
2.33 Gear and Gear Trains Gate Mech, Previous Objective Questions, Year 2001 [2m] [1Q] | 0:04:43 |
2.34 Gear and Gear Trains Gate Mech, Previous Objective Questions, Year 2003 [2m] [1Q] | 0:16:01 |
2.35 Gear and Gear Trains Gate Mech, Previous Objective Questions, Year 2006 [2m] [1Q] | 0:09:37 |
2.36 Gear and Gear Trains Gate Mech, Previous Objective Questions, Year 2009 [2m] [1Q] | 0:07:30 |
2.37 Gear and Gear Trains Gate Mech, Previous Objective Questions, Year 2010 [2m] [1Q] | 0:09:38 |
2.38 Gear and Gear Trains Gate Mech, Previous Objective Questions, Year 2013[2m] [1Q] | 0:06:42 |
2.39 Gear and Gear Trains Gate Mech, Previous Objective Questions, Year 2014[2m] [1Q] | 0:03:45 |
2.40 Gear and Gear Trains Gate Mech, Previous Objective Questions, Year 2015[1m][1Q]A | 0:06:53 |
2.41 Gear and Gear Trains Gate Mech, Previous Objective Questions, Year 2016 [2m] [1Q] | 0:05:10 |
2.42 Gear and Gear Trains Gate Mech, Previous Objective Questions, Year 2017[2m] [1Q] – 1 | 0:04:46 |
2.43 Gear and Gear Trains Gate Mech, Previous Objective Questions, Year 2017[2m] [1Q] – 2 | 0:03:38 |
2.44 Gear and Gear Trains Gate Mech, Previous Objective Questions, Year 2018 [2m] [1Q] | 0:05:19 |
2.45 Gear and Gear Trains Gate Mech, Previous Objective Questions, Year 2018 [2m] [1Q] | 0:05:43 |
ESE Prelims | |
2.60 Gear and Gear Trains ESE Mech, Previous Objective Questions, Year 2017 [1Q] | 0:04:38 |
Theory | Video Time |
3.1 Understanding the slider crank mechanism, In and Outer dead centers | |
3.2 Velocity and Acceleration of piston | |
3.3 Velocity and acceleration of connecting rod | |
3.4 Engine force analysis | |
3.5 Torque produced on the crank | |
3.6 Example problem on engine forces | |
GATE | |
3.30 Dynamic For Analysis GATE mech, Previous Objective Questions, Year -1989-[5m] | 0:40:50 |
3.31 Dynamic For Analysis GATE mech, Previous Objective Questions, Year -1997-[2m] | 0:10:24 |
3.32 Dynamic For Analysis GATE mech, Previous Objective Questions, Year -1998-[2m] | 0:07:32 |
3.33 Dynamic For Analysis GATE mech, Previous Objective Questions, Year -2016-set-1,[2m] | 0:08:09 |
3.34 Dynamic For Analysis GATE mech, Previous Objective Questions, Year -2018-[2m] | 0:04:17 |
Theory | Video Time |
4.1 Basic Prerequisite | 0:20:14 |
4.2 Introduction to flywheels: Turning moment diagrams for various engines | 0:17:17 |
4.3 Maximum fluctuation energy, coefficient of fluctuation of speed | 0:23:08 |
4.4 How to calculate maximum fluctuation of energy from the turning moment diagram | 0:20:04 |
4.5 Examples to identify the maximum fluctuation of energy from turning moment diagrams | 0:29:04 |
4.6 Example problem on fluctuation of energy | 0:16:21 |
4.7 Example problem on fluctuation of energy | 0:19:22 |
4.8 Punching press | 0:25:52 |
4.9 Example problems on punching press | 0:23:28 |
4.10 Effect of centrifugal force on flywheels | 0:03:15 |
GATE Exam | |
4.30 Flywheels, GATE Previous Objective Questions, Year – 1998 [1Q] | 0:03:15 |
4.31 Flywheels, GATE Previous Objective Questions, Year – 2001 [1Q] | 0:04:28 |
4.32 Flywheels, GATE Previous Objective Questions, Year – 2003 [1Q] | 0:05:34 |
4.33 Flywheels, GATE Previous Objective Questions, Year – 2006 [1Q] | 0:03:31 |
4.34 Flywheels, GATE Previous Objective Questions, Year – 2007 [1Q] | 0:02:12 |
4.35 Flywheels, GATE Previous Objective Questions, Year – 2013 [1Q] | 0:03:09 |
4.36 Flywheels, GATE Previous Objective Questions, Year – 2014 [1Q] – 1 | 0:03:49 |
4.37 Flywheels, GATE Previous Objective Questions, Year – 2014 [1Q] – 2 | 0:02:36 |
4.38 Flywheels, GATE Previous Objective Questions, Year – 2014 [1Q] – 3 | 0:08:04 |
4.39 Flywheels, GATE Previous Objective Questions, Year – 2015 [1Q] | 0:04:20 |
4.40 Flywheels, GATE Previous Objective Questions, Year – 2015 [1Q] | 0:07:07 |
4.41 Flywheels, GATE Previous Objective Questions, Year – 2016 [1Q] | 0:02:12 |
IAS Mains | |
Flywheels, IAS Previous Objective Questions, Year – 2000-[4a,(ii)] | |
Flywheels, IAS Previous Objective Questions, Year – 2009-[4a,(ii)] | |
Flywheels, IAS Previous Objective Questions, Year – 2015 [4-b] | |
Theory | Video Time |
5.1 Introduction: Difference between Flywheels and Governors | 0:21:47 |
5.2 Overview of different types of Governors | 0:22:15 |
5.3 Watt Governor | |
5.4 Porter Governor | 0:33:23 |
5.5 Proell Governor | 0:17:00 |
5.6 Spring loaded governor: Hartnell and Hartung governors | 0:24:21 |
5.7 Example problem on spring controlled governor | 0:15:48 |
5.8 Characteristics of governor | 0:25:56 |
5.9 Controlling force of governor | 0:31:25 |
GATE | |
ESE – Prelims | |
5.60 Governors ESE Mech, Previous Objective Questions, Year – 2002 [1Q] | 0:05:31 |
5.61 Governors ESE Mech, Previous Objective Questions, Year – 2003 [1Q] | 0:05:49 |
5.62 Governors ESE Mech, Previous Objective Questions, Year – 2006 [1Q] | 0:03:41 |
5.63 Governors ESE Mech, Previous Objective Questions, Year – 2007 [1Q] | 0:01:16 |
5.64 Governors ESE Mech, Previous Objective Questions, Year – 2009 [1Q] | 0:02:06 |
5.65 Governors ESE Mech, Previous Objective Questions, Year – 2013 [1Q] | 0:03:04 |
5.66 Governors ESE Mech, Previous Objective Questions, Year – 2013 [1Q] | 0:12:48 |
5.67 Governors ESE Mech, Previous Objective Questions, Year – 2017 [1Q] | 0:02:43 |
5.68 Governors ESE Mech, Previous Objective Questions, Year – 2017 [1Q] | 0:03:22 |
Theory | Video Time |
8.1 Introduction: SHM, Time Period, Frequency, Amplitude of vibration | 0:33:03 |
8.2 Beats concept, vibration system important elements, Equivalent spring and damping constants for series and parallel connections | 0:48:19 |
8.3 Classification of vibrations | 0:21:50 |
8.4 Steps in Vibration analysis | 0:09:30 |
8.5 Elements in Vibration system: Mass. Spring and Damping | 0:45:00 |
8.6 Equation of Motion(EOM) of spring mass system(free vibrations) | 0:39:12 |
8 .7 Equation of motion(EOM) of spring mass system with Damping | 0:16:11 |
8.8 Conceptual clarity on Moment and Energy Methods to find natural frequencies | 0:22:09 |
8.9 Example problems(EOM, Natural frequency) on single Mass- Spring systems | 0:35:50 |
8.10 Example problems(EOM, Natural frequency) on vibrating system with Levers Part 1 | 0:39:58 |
8.11 Example problems(EOM, Natural frequency) vibrating system with Levers Par 2 | 0:15:01 |
8.12 Equation of motion of system with Circular Disk: Introduction | 0:30:53 |
8.13 Example problems(EOM) on systems with Circular Disk Part 1 | 0:12:43 |
8.14 Example problems(EOM) on systems with Circular Disk Part 2 | 0:38:26 |
8.15 Conceptual clarity on Moment and Energy Methods to find natural frequencies (keep video again here) | 0:22:09 |
8.16 Natural frequency of a Ring(Flywheel) hanged by a nail to the wall | 0:21:26 |
8.17 Natural frequency of Half Solid Cylinder on the floor | 0:21:03 |
8.18 Natural frequency of a straight rod kept on the half Cylinder | 0:10:40 |
8.19 Natural frequency of a solid circular Cylinder on a Concave surface | 0:22:49 |
8.20 Static Deflection method to find Natural frequency | 0:23:26 |
8.21 Static deflection method to spring and pulley system | 0:17:45 |
8.22 Transverse Methods: Static deflection method to find natural frequency | 0:09:27 |
8.23 Torsional Vibrations: Shaft and disk system with and without shaft mass | 0:23:16 |
8.24 Torsional Vibrations: Shafts are in series and parallel connection | 0:13:27 |
8.25 Torsional Vibrations: Two rotor system on a shaft | 0:19:16 |
8.26 Amplitude of vibration of spring-mass system | 0:40:35 |
8.27 Example to find amplitude of vibration of spring mass system | 0:09:28 |
8.28 Amplitude of vibration of spring mass system with damping | 0:24:10 |
8.29 Over damping, critical damping and under damping | 0:37:36 |
8.30 Logarithmic decrement | 0:22:39 |
8.31 Example problems damping ratio and logarithmic decrement | 0:11:49 |
8.32 Forced Vibration of spring mass system | 0:40:15 |
8.33 Amplitude of Harmonic forced vibrations of a damped system | 0:52:24 |
8.34 Magnification Factor of steady state motion in forced vibrations | 0:24:45 |
8.35 Forced vibration of rotating and reciprocating masses | 0:25:30 |
8.36 Vibration Isolation: Force Transmissibility Ratio | 0:21:13 |
8.37 Understanding the Transmissibility Ratio | 0:17:46 |
8.38 Motion transmissibility ratio and vibration isolation materials | 0:25:57 |
8.39 Example problem on Transmissibility Ratio | 0:07:08 |
8.40 Whirling of the rotating shafts | 0:39:20 |
8.41Simplified formula of whirling speed deflection | 0:05:52 |
8.42 Example problem on whirling of a rotating shaft | 0:10:17 |
GATE | |
8.43 Mechanical Vibrations Gate Mech, Previous Objective Questions, Year – 2000,2007,2008, 20011 [4Q][2m] | 0:08:37 |
8.44 Mechanical Vibrations Gate Mech, Previous Objective Questions, Year – 2001 [1Q][2m] | 0:15:28 |
8.45 Mechanical Vibrations Gate Mech, Previous Objective Questions, Year – 2003 [1Q][2m | 0:15:28 |
8.46 Mechanical Vibrations Gate Mech, Previous Objective Questions, Year – 2004 [1Q][2m] | 0:06:57 |
8.47 Mechanical Vibrations Gate Mech, Previous Objective Questions, Year – 2004 [1Q][2m] | 0:14:21 |
8.48 Mechanical Vibrations Gate Mech, Previous Objective Questions, Year – 2005 [1Q][2m] | 0:04:27 |
8.49 Mechanical Vibrations Gate Mech, Previous Objective Questions, Year – 2006 [1Q][2m]] | 0:04:51 |
8.50 Mechanical Vibrations Gate Mech, Previous Objective Questions, Year – 2006 [[2m]] | 0:08:02 |
8.51 Mechanical Vibrations Gate Mech, Previous Objective Questions, Year – 2007 [1Q][2m][7177] | 0:07:10 |
8.52 Mechanical Vibrations Gate Mech, Previous Objective Questions, Year – 2008 [1Q][2m] | 0:06:45 |
8.53 Mechanical Vibrations Gate Mech, Previous Objective Questions, Year – 2009 [1Q][2m | 0:04:31 |
8.54 Mechanical Vibrations Gate Mech, Previous Objective Questions, Year – 2012 [1Q][2m] | 0:04:11 |
8.55 Mechanical Vibrations Gate Mech, Previous Objective Questions, Year – 2013 [1Q][2m] | 0:10:06 |
8.56 Mechanical Vibrations Gate Mech, Previous Objective Questions, Year – 2014, 15,17 [4Q][2m] | |
8.57 Mechanical Vibrations Gate Mech, Previous Objective Questions, Year – 2014 [1Q][2m] | 0:19:43 |
8.58 Mechanical Vibrations Gate Mech, Previous Objective Questions, Year – 2014[2m] | 0:01:56 |
8.59 Mechanical Vibrations Gate Mech, Previous Objective Questions, Year – 2014[2m][7205] | 0:03:16 |
8.60 Mechanical Vibrations Gate Mech, Previous Objective Questions, Year – 2016 ,[2m] | 0:07:53 |
8.61 Mechanical Vibrations Gate Mech, Previous Objective Questions, Year – 2017 ,[2m] | 0:12:31 |
8.62 Mechanical Vibrations Gate Mech, Previous Objective Questions, Year – 2018[2m] | 0:08:29 |
8.63 Mechanical Vibrations Gate Mech, Previous Objective Questions, Year – 2010[2m] | 0:25:22 |
8.64 Mechanical Vibrations Gate Mech, Previous Objective Questions, Year – 2015 ,[2m] | 0:06:26 |
ESE Prelims | |
8.65 Mechanical Vibrations ESE, Previous Objective Questions, Year – 2009 [1Q] | 15:06 |
Demo Videos/Free Content
Miscellaneous Topics
Other Free Content
- ESE Mains Pdfs
- IAS Prelims Pdfs
- IAS Mains Pdfs