What is the energy required to break the material is called as?

Bhargav

• Jan 29th, 2016

A material withstands upto its shear stress. Beyond that, impact energy breaks the material.

S.Biswas

• Dec 27th, 2015

Energy required to break a material is specified as the modulus of toughness of that material.

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How a lathe can be specified?

Gambit

 Profile Answers by Gambit Questions by Gambit

• Sep 11th, 2009

Lathe can be specified in no. of ways:* Swing over bed (max. dia. of workpiece over the bed)* Swing over carriage* Distance between the headstock and tailstock* Bed height and Bed width* Shipping weight of lathe* Max. spindle speed etc.

vivekzgoal

 Profile Answers by vivekzgoal Questions by vivekzgoal

• Sep 2nd, 2009

Lathe can specified in terms of its power in max speed of chuck.

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How can we increase the efficiency of boiler?

deemech

 Profile Answers by deemech Questions by deemech

• Jul 11th, 2010

Boiler efficency can be increased by incresing the boiler pressure or by  the reheating the steam or by the process of regeneration. Another method is that by increasing the mean temperature of heat addition so that boiler efficiency can be inceased.

shammi

 Profile Answers by shammi Questions by shammi

• Jun 8th, 2010

The main problem which derease the efficiency of boiler are caused by hard water. So the best method to increase the efficiency is to use hardness free water and for that water should be treated properly.

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The value of gravitational constant below see level at 4500m depth was found to be 9.8295m/s2 and this is maximum after that it decreases...What would be the value of the acceleration due to gravitation at the center of earth?

praful.gulhane

 Profile Answers by praful.gulhane Questions by praful.gulhane

• Jun 30th, 2010

Value of Gravitational Constant decreases as going to deep.

saurav_sammy

 Profile Answers by saurav_sammy Questions by saurav_sammy

• Jun 20th, 2010

 the gravitation constant again decreases as we go down the 4500m level below the sea level....

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Explain How gear train works?

PRAVINMUTHURAJ

• Jun 19th, 2018

In a number of gears train are fixed transmit torque or power in one shaft to another shaft. And the gear train is engaged and disengaged in parallel linear motion

rakesh8014

 Profile Answers by rakesh8014 Questions by rakesh8014

• Jul 5th, 2010

It consist of set of gears assembled together to provide a large range of speed variation to output shaft with limited range of engine speed.it will also provide required torque for different stages of operation.

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Describe briefly different aspects of energy in our world?

pradeep

• Oct 15th, 2011

Energy-The capacity to do work is called energy.Energy neither be created nor be destroy,it may change one form to another.

k.sathish

• Oct 5th, 2011

Energy means capacity to do work.
In general anything can give useful work is stored in the form of energy.
types: potential - due to position and mass of body
kinematic - due to movement of body
heat - energy in transition, due to chemical reactions

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What is diffrence between Impeller and Propeller?

Vivek K

• Jun 17th, 2014

Impeller has blades in which the blade angle can be varied.
propeller has fixed blade angles.

• Dec 8th, 2013

An impeller is used to suck air into something, such as a turbocharger or a vacuum cleaner.

A propeller is used for propulsion, such as on an airplane or a boat.

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How can elasticity of ductile material be double as brittle material?

Kiran

• Oct 13th, 2012

Molecular structure of ductile & brittle materials are different. Elasticity of both the cases can be well understood by tension/compression test, as you can notice ductile materials will yield & brittle will break.
Stress release in ductile is good in ductile.

Mallayya S M

• Oct 12th, 2012

Because the elasticity regains its shape and size.

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Four wheelers are provided reverse gear whereas two wheeler are not provided, Why?

Pradeep Manickam

 Profile Answers by Pradeep Manickam Questions by Pradeep Manickam

• Mar 27th, 2011

Its because two wheeler can be easily moved by a force whereas car can not be easily moved by our force.hence a reverse gear is required

Bhushan Kulkarni

 Profile Answers by Bhushan Kulkarni Questions by Bhushan Kulkarni

• Mar 16th, 2011

Addition of Reverse gear in two wheeler will become cumborsome.

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how many 5 m dia hardness in bhn of 316 material we are facing the problem in machining & tolling not work properly

Bikash Choudhuri

• Sep 3rd, 2014

Stainless steel 300 series 16% chromium main content

M kashif

• Jan 20th, 2013

Why are we written SS-316 what is meaning of 3,1,and 6 please send me in detail answer

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Mohan raj

• May 5th, 2013

If the suction,compression, power and exhaust are completed in two strokes of the piston, i.e one revolution of crank shaft, it is called as two stroke and if the four processes completed in four strokes of the piston, i.e two rev of crank shaft,it is called as four stroke engine.

Manpreet Singh

• May 10th, 2012

In two stroke SI & CI engine , there are two stroke of piston and one revolution of crankshaft to complete one cycle.....IN two stroke engine there are ports... But IN four stroke SI &CI engine , the...

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My name is Surya and I recently completed my b.tech in mechanical engineering as a fresher I have so many
roots to start my Career in the relevant field .In that I have selected some opportunities and has
1) In design field
2) In Power Plants Construction Field
3) In QC i.e in pipe inspection and testing field

...plz suggest me which one has good future in...

yogesh

• Dec 30th, 2014

Design field is a best field friend

prachi jain

• Aug 4th, 2014

Hello sir, my name is Prachi I complete B.Sc in microbiology.sir I am not intested in M.Sc ,what I do . Tell me some information in clinical research laboratory & MBA life scince best collage and how ...

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jamal khan

• Apr 22nd, 2015

What is casting parameters?

ADIRAJ C K

• Jul 12th, 2014

In process audit- The parameters of the machine (speed,feed,rpm etc) are taken into consideration but in Product audit- The parameters of the job (dimension,strength,surface finish etc...) is taken into consideration.

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chander shekhar

• Dec 10th, 2014

New?technology?create?new?reliable?product?to?the?customer

kantilal bhalerao

• Dec 9th, 2014

Technology create a new thing more than able.

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Why we put 1st gear for move a rest car instead of 4th gear

shaik samdani

• Sep 3rd, 2015

To move any vehicle from stationary condition we required more torque over than speed, in 1st gear drive wheel is smaller than the driven wheel so more torque generates. But in 4th gear drive wheel bi...

MAYANK JAISWAL

• Mar 16th, 2015

Bcoze a car in REST need more TORQUE to move (larger dia. of gear provide this torque).

Its same as we need larger force to push any object from rest, as compare to force needed to b keep a moving object in motion.

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When two walls are in contact each other, considering thermal contact resistance, What is the mode of heat transfer in the air gap present between two walls?

Chandrakant Sahu

• Sep 24th, 2016

Convective Heat Transfer

sourabh

• Sep 21st, 2016

Heat loss is minimum

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Why steels are heat treatable and why not cast irons? If yes why?

akshat srivastava

• Aug 8th, 2017

Cast iron is not heat treated because it becomes brittle.

hvdwaard

 Profile Answers by hvdwaard Questions by hvdwaard

• Feb 16th, 2016

Steel is an Iron/Carbon Alloy for arguments sake. So the carbon is fully absorbed within the Iron.The carbon and iron re-settle in a various atomic micro-structures when heated and cooled down quickly...

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What are the factors that a real life designer must consider for designing a car in terms of motion?

jyotish kindo

• Dec 16th, 2015

Ground clearance

SANDEEP KUMAR

• Dec 5th, 2015

Wheel Base

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How to calculate CC of Motor Bike?

victor

• Nov 1st, 2017

0.7854 x bore x bore x stroke x number of cylinders

Engineering on Softwares

• Mar 18th, 2016

CC of motor bike is depends upon the piston displacement inside the engine cylinder. Area between top dead center and bottom dead dead center is the actual CC of motor bike engine.

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What is Priming?

kit_inton

 Profile Answers by kit_inton Questions by kit_inton

• Jun 19th, 2011

Is process by removing?air that?trap inside pump casing or at suction pipe, before filling a process liquid, open or remove the valve for air bleeding?until you can't see any bubbles.?

sudeeb

 Profile Answers by sudeeb Questions by sudeeb

• Dec 20th, 2010

Priming is the process of filling water in centrifugal pump suction strainer to casing upto the delivery valve or priming point. It will remove the air from the suction side of the pump. In centrifug...

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