i am sneha.i am doing seminar on the above given topic,so i want the report and pp ready for tis topic,since i dnt hav much time,my presentation is on 5 so i request u to mail me to [email protected]@gmail.com

abstract is below:

Abstract—We present an approach and a system to let tutors
monitor several important aspects related to on line tests, such
as learner behavior and test quality. The approach includes the
logging of important data related to learner interaction with the
system durin ....etc

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1.A can finish the work in 24 days,B in 9 days and C in 12 days.B and C start the work but are forced to leave after 3 days.The remaining work was done by A in:

A. 11 days

B. 12 days

C. 10 days

D. 13 days

2. The ratio between the speeds of two trains is 7:8 if the second train runs 400kmts in 4Hrs, Then the speed of first train is ?
A. 78Kmph

B. 76Kmph

C. 77Kmph

D. 70Kmph

3. A shop keeper sells one transistor for Rs.840 at a gain of 20% and ....etc

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Ceramic Ball Bearing Performance Tests



A New Ball Bearing

INTRODUCTION:
Want to save a *million barrels of petroleum a day by simply changing to a more
efficient ball bearing in machinery? Sounds too good to be true, but it’s possible with
new materials available today.
Tribology – The science of friction and wear.
If we look at the surface finish of a metal ball or race very closely, peaks and valleys
appear over these surfaces. I ....etc

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Seminar Report onAudio CAPTCHA: Existing solutions assessment and It’s Advancements
What are CAPTCHAs?
Completely Automated Public Test to Tell Computers and Humans Apart.
Web-based protection mechanisms
Only humans allowed to perform certain tasks
Opening E-mail accounts
Voting on-line, etc.
Prevent automated attacks by bots
To avoid eating up resources
To avoid biasing results, etc.
Most current systems - text-based.
Why there came a need for Captchas???
Preventing Comment Spam in Blogs. 
Protec ....etc

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i want ieee paper of audio captcha existing solutions assessment and a new implementation for voip telephony ....etc

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pls send me monitoring online tests through data visualization project for download ....etc

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IDENTIFICATION OF UNDER WATER VEHICLE HYDRODYNAMIC EFFICIENTS USING FREE DECAY TESTS



INTRODUCTION
In recent years there has been an ever increasing number
of applications for unmanned underwater vehicles
(UUV) in various tasks, for instance in surveying and
exploration, or in missions such as the positioning
of underwater laboratories (Aguiar 1997). Improvements
in the evaluation of the hydrodynamic models
of UUV’s result in more effective control s ....etc

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....etc

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NDT TESTS ON CONCRETE

Rebound Tests
The rebound hammer is a surface hardness tester for which an empirical
correlation has been established between strength and rebound number.
The only known instrument to make use of the rebound principle for
concrete testing is the Schmidt hammer, which weighs about 4 lb (1.8 kg)
and is suitable for both laboratory and field work. It consists of a springcontrolled
hammer mass that slides on a plunger within a tubular housing.
The hammer is forced against the surface of the concrete by ....etc

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Abstract
According to the relevant IEC standards vacuumcircuit-breakers have to meet various needs, e.g. theinterruption capability, making operations, and dielectricstrength. Switching of capacitor banks, overhead lines, orcables leads to very small currents in comparison withshort-circuit currents. After current interruption thecircuit-breaker must withstand twice the peak value of thesystem voltage. Furthermore, restrikes can lead to voltagemultiplication. The conjunction of relatively smallbreaking currents with high voltage stress ....etc

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