Himanshu Vasistha

Mechanical Engineer by education, Entrepreneur by heart. Day by day nothing is changing but when we look behind, everything is different.

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Short notes on Convection

While the heat flow mechanism in solids is by conduction, the mechanism...

Marine Centrifugal pumps and priming system

CENTRIFUGAL PUMPS

Metal Casting Practice Questions for

GATE preparation tips-Why students fail in GATE?

GATE preparation should be done i...

How to join merchant navy after BTech?

If you dream of becoming a marine engineer and sail the se...

Tips to write a successful CV

Follow these top Tips to write a successful CV, la...

How to join merchant navy?

Want to know how to join merchant navy? Maritime international trade i...

Defence Research and Development Organization (DRDO) is a very popular and regular exam among young mechani...

Mangalore Refinery and Petrochemicals Limited (MRPL), is a Schedule ‘A’ Mini Ratna Centra...

  1. Expendable mould casting: In this kind of casting process, the mould cavi...

Casting is a very important topic in GATE Mechanical Engineering exam. It covers a major portion of the syl...

Public Sector Undertakings (PSUs) and Government Organisations have already started their process of recrui...

Vizag Steel has announced that it will be recruiting Management Trainees (MT) through GATE 2018. The detail...

One of the many PSUs which will recruit through

Indian Oil Corporation Limited (IOCL) has announced the recruitment of Officers/ Engineers through GATE 201...

Steel Authority of India Limited (SAIL) has announced its recruitment through

Solve the following questions  of EASY level on Calculus for

Laplace Transforms is one of the most ignored topic in Engineering Maths by GATE Mechanical aspiran...

Before we start preparing for any exam, it is important that we understand...

Solve these practice questions on Ordinary and Higher Order Differential Equations. 

Q...

Try out these questions on the topic of Linear Algebra for Engineering Mathematics section in GATE. 

Deflection of beams can be a tricky and difficult for most undergraduate mechanical engineering studen...

A good understanding of the physical properties of stress and strain is a prerequisite to utilize the many...

Hydraulic Pumps is an important topic in the subject of Fluid Mechanics and Machinary. In this article, we...

CAD/CAM is one of the most ignored subjects in Mechanical Engineering by students who are preparing for

The compound beam ABCDE as shown in the figure consists of two beams (AD and DE) jointed by a hinged connec...

Profit, Loss and Discount is a crucial topic of the Arithmetic section of Quanti...

Good performance in GATE is all about making the most of the time available...

SAT (scholastic aptitude test or scholastic assessment test) is an internat...

In this article, we will learn about the general principles of design that engineers use for the design pro...

In this article, we will explain the important concepts and formulas with examples on 2D mensuratio...

In the previous

The concepts of shearing stress and shearing strain have an important application in torsion problems...

Try out these questions on Thermodynamics and test your competency level in the subject for GATE Me...

In the previous article, we studied the heat flow throu...

Try solving this question on Thermodynamics. 

A balloon has an initial d...

In the previous article, we looked at the

Test your level of competency for

Test your level of competency for GATE Mechanical Engineering and UPSC ESE Mechanical Engineering exam for...

The last article on GRE Math was on

First of all, FMS is a manufacturing technology. Secondly, FMS is a philosophy...

GRE is a difficult test, but it is a very learnable test. In this article, we provide you with some easy to...

Q1) In the figure two forces act on the hook. Determine the magnitude of the resultan...

 Test your level of competency for GATE Mechanical Engineering for the topic of Linear Algebra...

Test your level of competency for GATE Mechanical Engineering and UPSC ESE Mechanical Engineering e...

Test your level of competency for GATE Mechanical Engineering and UPSC ESE Mechanical Engineering e...

Practice these basic questions on the subject of Refrigeration and Air Cond...

GATE Mechanical involves a very important subject of Fluid mechanics, which can b...

Important point to remem...

GATE and UPSC ESE Mechanical Engineering consists of a rather ignored subject, i.e. RAC or Refrigeration an...

Q1. What properties need to be considered for applications calling for following requirements:

    <...

Numerical types Strength of Materials Practice Questions. 

Q1) A 100 mm long...

GATE Mechanical Engineering and UPSC ESE Mechanical Engineering Practice Questions on the topic of...

Engineering mechanics is the foundation of all things in Mechanical Engineering. A good grip on the...

1 mark questions for Strength of materials for GATE Mechanical Engineering practice. If you take mo...

Practice questions for GATE Mechanical Engineering from the topic of Thick Cylindrical Shells and C...

Practice questions for GATE Mechanical Engineering from the topic of SFEE (First Law of thermodynam...

GATE Mechanical Practice questions on Strength of Materials. These are very easy questions. Share y...

Practice questions on First Law of Thermodynamics for GATE Mechanical and UPSC ESE Mechanical Engin...

GATE Mechanical Practice questions on Thin pressure vessels from Strength of Materials. 

GATE Mechanical Exam tests your basic understanding in the subjects from the entire Mechanical Engineering...

Second law of Thermodynamics is the second most important topic in the subject of Thermodynamics in GATE Me...

Try solving this basic problem on basics of Strength of Materials. Share your cComplete working with the so...

Try and solve this question on Thin Cylindrical Shell from the subject of Strength of Materials. Remember t...

Try out this question on Strength of Materials. 

Try these two questions from the subject of Strength of Materials. One of the questions is on Strain Rosett...

GATE MECHANICAL ENGINEERING PRACTICE QUESTIONS on Strength of Materials on Bending stresses on beams. Share...

GATE MECHANICAL ENGINEERING practice question on First Law of Thermodynamics. 

Try solving thi...

Try solving this question on Thermodynamics from previous GATE question paper. Share your complete working....

Out of 13 marks in Engineering maths, 4-5 marks will be covered by the topic of calculus in GATE exam. So a...

Probability is a tough nut for most students who appear for GATE exam every year. Either most people leave...

Linear algebra covers almost 5-6 marks in

A good understanding of First Law of Thermodynamics lays the foundation of a strong hold on the entire subj...

Q1) The maximum allowable compressive stress corresponding to lateral buckling in a d...

Bending stresses in beams is an important topic from the subject of Strength of Materials in GATE exam. Try...

After matrices and linear algebra, differential equations is probably the most extensively asked topic in G...

Try out these practice questions on Simple stress and strains. 

 


What are the career options for Mechanical Engineers in future? This is a question that many a students, as...

Abrasive Jet Machining 

Abrasive Jet Machining (AJM) is a machining process t...

Q1) Two planes AB and BC which are at right angles ar...

After GATE Mechanical 2017, many of you will be eager to know about the further options. Getting recruited...

In this article we will bring you videos on previous

In this article, we will look at a new topic introduced in

In this article on GATE Mechanical Engineering, we will understand an important topic in Viscous Flow in th...

IBPS calendar is busy as always in 2017 too. Here is a tentative list of the exam dates for IBPS CWE for RR...

These notes for

In this article, we will study Probability for Banking and SSC CGL exams from the Quantitative Aptitude sec...

Practice these important questions for

In the previous article on GATE Mechan...

In this article, as short notes for

Solve this on heat transfer

Before you start with this article, make sure you have gone through the

In this article, we will study about the functions of complex variable which is a topic in which most of th...

In this article, we will list the motion and frequency equations for important vibratory systems asked in <...

A machine of mass 20 kg is mounted on a spring and a dashpot as shown in the figure. The total spring stiff...

In this article, we will study about the Special Functions that are used to solve questions in Engineering...

Try solving these

Solve these on machining.

Share your working along with your answers.

Neglecting friction find the force on each block. 

Solve this question. Share your reasons as well. 

With reference to the mechanism shown in the figure, the relation between F and P is

(a) F= (1/2) P...

In the mechanism shown, the fixed link denoted as 1, crank AB as 2, rocker BD as 3, swivel trunion at C as...

The direction of Coriolis component of acceleration of the slider A with respect to the coincident point B...

In this article, we will look at the basic understanding of Net Positive Suction Head or NPSH. This topic i...

In this article, we will continue the topic of PERT and CPM and discuss about network constructiion. <...

PERT & CPM is a very important topic in GATE Mechanical Engineering and other engineering exams...

Manufacturing of various steels and irons is done using iron ores, which is...

A uniform stiff rod of length 'L' is restrained to move vertically by both linear and torsional springs as...

A cylinder partially immersed in riverwater is depressed slightly and released. Find its natural frequency...

Find the natural frequncy of this system. Use combination of springs. 

A 6 cylinder, 4 stroke SI engine of 10 cm x 12 cm (bore x stroke) with a compression ratio of 6 is tested a...

A 16-cylinder diesel engine has a power output of 800 kW at 900 rpm. The engine works on the 4 stroke cycle...

A hydrocarbon fuel when burned with air gave the following Orsat analyis:

0
0
147

In the design of heat exchanger for aircraft application, the maximum wall temperature in steady state is n...

In a certain double pipe heat exchanger, hot water flows at a rate of 50,000 kg.h and gets cooled from 95 d...

A counterflow heat exchanger is to heat air entering at 

0
3
195

An infinitely long plate of thickness 22 mm is heated to a uniform temperature of 

0
2
193

A surface condenser is to be designed to condense per hour 40 ton of dry saturated steam of 0.12 atm absolu...

Ait at 300 K and 1 atm flows over a flat plate at a speed of 2 m/s. The plate is heated uniformly at 333 K...

Q1) For most brittle materials, the ultimate strength in compression is much larger than the ultimate...

Work sampling studies are conducted to find the utilization of a machine. Out of 200 observations made, onl...

In an orthogonal cutting process, the following observations were made:

Depth of cut = 0.25 mm

...

Following data relate to a peripheral milling operation:

Dia of the milling cutter = 100 mm

In an orthogonal cutting, the following data is observed:

Uncut chip thickness = 0.35 mm

Cu...

Assuming a straight line V-I characteristics for a dc welding generator, short-circuit current is 400 A and...

 Calculate the melting efficiency in case of arc welding of steel with a potential of 20 V and current...

Two steel sheets of thickness one mm are welded by resistance projection welding. A current of 30,000 A for...

In a resistance spot welding of two aluminum sheets each 2 mm thick, a current of 5000 A was passed for 0.1...

 A simply supported beam of length 10 m carries a uniformly varying load whose intensity varies from a...

A hollow shaft of diameter ratio 3/8 is required to transmit 600 kW at 110 rpm, the maximum torque being 20...

A cantilever tube of length 120 mm is subjected to an axial tension P = 9 kN, a torsional moment, T = 72 Nm...

Two planes AB and BC which are at right angles are acted upon by tensile stress of 140 MPa and a compressiv...

A hollow shaft with diameter ratio 0.7 is required to transmit 500 kW at 300 rpm with a uniform twisting mo...

A hollow CI column of 300 mm OD and 220 mm ID is used as a column 4 m long with both ends hinged. Determine...

In the figure a rod of length of 20 cm pivoted near an end and which is made to rotate in a horizontal plan...

Two identical ladders, each of mass M and length L are resulting on the rough horizontal surface as shown i...

The figure shows a clamping device operated by the input force F on the rope. What is the magnitude of requ...

A 0.5 kg block slides from a point A or horizontal track with an initial speed of 3 m/s towards a weightles...

A brick starts from rest on a roof that rises 5 cm for every 10 cm and slides for a distance of 4 m before...

Q1) A man rows at a speed of 8 km/h in still water to a certain distance upstream and back to the starting...

A cylindrical shaft is subjected to an alternating stress of 100 MPa. Fatigue strength to sustain 1000 cycl...

A uniform ladder of weight 200 N rests with its upper end against a smooth vertical wall and its foot on a...

A uniform wheel 0.6 m in diameter and weighing 8 kN rests against a rigid rectangular block 0.1 m thick as...

A man weighing 600N stands on the middle rung of a 250N ladder AB resting on a smooth floor and against a w...

A small ring is free to slide on a smooth circular wire of radius 'r', fixed to a vertical plane. It is att...

share your working as well. 

The Whitworth quick return mechanism has the driving crank 150 mm long. The distance between fixed cen...

A four bar mechanicsm ABCD is shown in the figure. if the linear velocity Vb of point B is 0.5 m/s, then th...

If a closed kinematic chain is formed with rigid links PQ = 2m, QR = 3 m, RS = 2.5 m and SP = 2.7m. To obta...

Manish has to travel from A to D changing buses at stops B and C enroute. The maximum waiting time at eithe...

In a certain double pipe exchanger hot water flows at a rate of 5000 kg/h and gets cooled from 

For what value of end temperature difference ratio, is the arithmetic mean temperature difference 5% higher...

A box contains 25 parts of which 10 are defective. Two parts are being drawn simultaneously in a random man...

WATCH THE AXIOMATIC DEFINITION BEFORE SOLVING THIS.

If P(A)=P(B)=P(AB), show that 

0
0
210

From 6 positive and 8 negative numbers, 4 numbers are chosen at random (without replacement) and multiplied...

In a housing society, half of the families have a single child per family, while the remaining half have tw...

A product as shown in the figure is turned, step turned and parted off from a rod to get dimension 'A" in t...

In the figure shown, the relative veocity of link 1 with respect to link 2 is 12 m/s. Link 2 rotates at a c...

An instantaneous configuration of a four bar mechanism, whose plane is horizontal, is shown in the figure....

Given OA = 25 mm, AB = 80 mm, BC = 20 mm, CD = 33 mm, DE = 20 mm. Crank OA rotates at 120 rpm in counter cl...

Q1) Area of three fields is 

1
4
302

In the figure, OA=QC=100mm, AB=QB=300mm and CD=250mm. The crank rotates at 150rpm in the clockwise directio...