Important Scientific Instruments

Important Scientific Instruments

Altimeter–An instrument used for measuring altitudes in aircraft.
Ammeter–An instrument for measuring electric currents in amperes.
Anemometer–An instrument for measuring the force and velocity of wind.
Audiometer–An instrument for measuring the intensity of sound.
Audiophone–An instrument for improving imperfect sense of hearing.
Barometer–An apparatus used for measuring the atmospheric pressure.
Calorimeter–An instrument used for measuring quantities of heat.
Carburettor–An apparatus used in an internal combustion engine for charging air with petrol vapour.
Cardiograph–A medical instrument for tracing heart movements.
Chronometer–An instrument kept on board ships for measuring accurate time.
Crescograph–It is used for measuring growth in plants.
Dynamo–The origin of electricity in a dynamo is the transformation of mechanical energy into electrical energy.
Galvanometer–An instrument for measuring electric currents of small magnitude.
Hydrometer–An instrument used for measuring the specific gravity of liquids.
Hydrophone–An instrument for recording sound under water.
Hygrometer–An instrument for measuring humidity in air.
Lactometer–An Instrument for measuring the relative density of milk.
Manometer–An instrument for measuring the pressure of a gases.
Mariner's compass–An apparatus used by sailors to know the direction. The needle always points north-south.
Microphone–An instrument used for converting sound waves into electrical vibrations and to magnify the sound.
Microscope–An instrument used for magnifying minute objects by a lens system.
Odometer–An instrument by which the distance covered by wheeled vehicles is measured.
Phonograph–An instrument for reproducing sound.
Photometer–It is an instrument for measuring the intensity of light; a device for comparing the luminous intensity of sources of light.
Polarimeter–An instrument used for measuring optical activity.
Pyrometer–An instrument for recording high temperatures from a great distance.
Radar–It is an abbreviated form of Radio, Angle, Direction and Range. It is used for detecting the direction and range of an approaching plane by means of radio microwaves.
Rain Gauge–An apparatus for recording rainfall at a particular place.
Radiometer–An instrument for measuring the emission of radiant energy.
Refractometer–An instrument to measure refractive indexes.
Seismometer or Seismograph–An instrument for recording earthquake shocks.
Sextant–An instrument used for measuring the altitude of the sun and other heavenly bodies.
Spectrometer–An instrument for measuring the energy distribution of a particular type of radiation.
Speedometer–An instrument which indicates the speed at which a vehicle is moving.
Spherometer–An instrument for measuring curvature of surfaces.

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COMPUTER GENERAL KNOWLEDGE QUIZ

COMPUTER GENERAL KNOWLEDGE QUIZ COMPUTER QUIZ

Objective 10 questions

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1. Why the document you created at home displays with a different font at school?

Because you have a different printer at school than at home Because you have a different monitor at school than at home

font you used at home is not installed on your school computer Because the version of Windows is different

2. Which keyboard shortcut centers selected text?

Ctrl+C Alt+C There is no keyboard shortcut for this operation Ctrl+E

3. What is the default file extension for all Word documents?

TXT WRD FIL DOC

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Tab Shift Enter Ctrl+Enter

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No more that three Only one As many as your computer memory will hold No more than your Taskbar can display

6. In order to email a Word document from within Word:

Go to File/Send To/Mail Recipient Save the file as an email attachment Start Outlook and attach the file while open in Word This is an impossible operation

7. Which keystroke will take you at the beginning or the end of a long document?

Ctrl+PageUp and Ctrl+PageDown Shift+Home and Shift+End Ctrl+Home and Ctrl+End The only way is by using the right scroll bar

8. How many margins are on a page?

Two (header and footer) Four (top, bottom, right, left) Two (landscape and Portrait) Two (top and bottom)

9.In order to save a Word document as a web page you need to:

Put the appropriate graphics and links on the document Save the document in simple text format Use your web browser as an editor and save as URL Save as HTML

10. A document in portrait prints:

The same characters per line with the same document in landscape More characters per line than the same document in landscape Less characters per line than the same document in landscape Smaller fonts in order to fit the same amount of characters per line with landscape

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CURRRENT GK QUIZ

CURRENT GENERAL AWARENESS QUIZ

OBJECTIVE QUESTIONS 10

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1. Miss Universe award for 2008 has been awarded to –

Tanvi Vyas
Dayana Mendoza
SimranKaur Mundi
Crystle Stewart

2. Who among the following is the winner of the Rajiv Gandhi Khel Ratna Award for the year 2007? –

Sachin Tendulkar
Saurav Ganguli
Sanjeeva Kumar Singh
Mahendra Singh Dhoni

3. The Mascot of the 2008 Olympic Games was-

Fuwa
Izz
Izz
Cobi

4. Which among the following States would observe 2008 as the‘Year of Education’ ?

Uttar Pradesh
Haryana
Bihar
Karnataka

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Jhumpa Laheri
Kiran Desai
Arundhati Roy
Khushwant Singh

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Priya Ranjan Das Munshi
Mani Shankar Aiyyar
P.Chidambaram
Sushama Swaraj

7. Duwuri Subbarao's name was in news recently as he has taken over as the Governor of
RBI
SBI
SEBI
Bihar

8. ISRO has launched successfully ten satellites through PSLV-C9 on -

15th March,2008
30th March,2008
28th April,2008
4th May,2008

9. Which country was host 15th SAARC Summit in 2008 ?

Maldives
Sri Lanka
India
Pakistan

10. Who among the following is the winner of the Wimbledon open Tennis Tournament 2008 of the Women's Single Title ?

Serena Williams
Venus Wlliams
Maria Sharapova
Ana Ivanovic

Ana Ivanovic