General Knowledge

GENERAL KNOWLEDGE OF UNITS OF MEASUREMENT in FPSC PPSC NTS Test

GENERAL KNOWLEDGE OF UNITS OF MEASUREMENT Repeated questions in FPSC PPSC NTS



1 horse power is 745.7 watts

1 horse power = work equal to lifting 550 lbs of weight to one foot for one second

1 calorie is equal to 4.2 Joules

1 barrel is equal to 159 liters

6 feet = 1 fathom

1 kwh = 3.6 x 10 power 6 joules

A 100 watt bulb lights for 1 hour uses 100 watt hour of electricity

-273 degree centigrade is called absolute zero temperature.

Standard pressure is 760 mm or 14.7 lb/in2

Gross is equal to 12 dozens

Mach 2 = 500 miles per hour

1 nautical mile = 1825 meters

Unit of pressure is Pascal

Force is measured in Newton (SI), Dyne (CGS)

At -40 deg F Fahrenheit scale is equal to centigrade scale

Hertz and Angstrom are units of frequency

Units of work and energy are Joule and Erg (CGS)

Diopter is unit of power of lens

Unit is density is kg/m3

Unit of power is watt, BTU (Board of Trade Unit)

Unit of electric charge is Coulomb

Unit of voltage is volt

Unit of electric resistance is ohm

Unit of capacitance is Farad

Unit of magnetic flux is Weber, Tesla

Unit of radio activity is Becquerel

Unit of luminous intensity is candle, lux

Unit of crude oil is Barrel

Unit of volume of water is cusec, cubic/sec

Unit of admittance is Mho

Unit of intensity or loudness of sound is bel

Unit of viscosity is Poise

Unit of flight speed is Mach I

Unit of atmospheric pressure is milli bar

Unit of wave length of light is Angstrom

Unit of energy is Electron volt

Unit of brightness is Lambert

Unit of luminous flux is Lumen

Intensity of illumination or unit of luminosity is Lux, Candela and Candle power

Unit of magnetic pole strength is Weber

Unit of RAD (Radiation Absorbed Dose) is Gray

Unit of Electric Current is Ampere

Unit of inductance is Henry

Unit of conductance is siemens.

Unit of heat is Joule, Calorie, BTU (British Thermal Unit)

Radio activity is measured in currie

Rutherford : strength of radioactivity
Torr: pressure

Fermi : length [A unit of length equal to one femtometer (10-15 meter)]

Sved berg unit:sedimentation rate

Dioptre: power of lense

Mho : conductivity

Henry: inductance

Maxwell: magnetic flux

Becquerel: radioactivity

Kilo watt hour: power

Coulomb: unit of electrical charge

Weber: unit of magnetic flux

Tesla: unit of magnetic flux density

Siemen: unit of conductance

Rutherford: unit of rate of decay of radioactive material

Faraday: unit of electric charge

Angstrom: unit of length, used especially to specify radiation wavelengths

Parsec: unit of astronomical length

Degree: unit of measurement of an angle

Steradian: Unit of solid angle measurement

Dyne is a unit of Force.

SI unit of pressure is Pascal.

Curie is a unit of : radioactivity

Pascal Sound Pressure

Torr Pressure

Curie Intensity of radioactivity

Angstrom Unit of length

Light year The distance light travels in a year

Dioptre Lens refractive power

Horse power Unit of Power

Radian Unit of angular measure

Candela Unit of luminous intensity

Mole unit of amount of substance

What is measured in units called phon- Sound 192

What is measured in grains - four grains to a carat- Pearls

Unit of electromotive force in Volt.

What is the SI unit of illumination -Lux

Gross is equal to 12 dozen.

Ozone is measured in percent age.

An object traveling at Mach 2 is traveling approximately at 500 mph.(chk)

What is measured on the Gay-Lussac scale: Alcohol strength

Chronometer is used to measure... time

Anemometer is used to measure... Wind Speed

The clusec is the unit measuring the power of what Vacuum pumps

One million cycles per second is called Megahertz.

0.200 grams are equal to one carat.

Voltammeter is an electrolytic cell for conducting electrolytic dissociation of electrolyte.

8 furlongs make one mile.

A billion contain 1000 million. It has 9 zeroes. Similarly a trillion has 12 zeroes,a quadrillion 15 zeroes,a quintillion 18 zeroes and a decillion 33 zeroes.

One inch is equal to 2.5400 cms and one mile is equal to 1.6093 kms.

One micron is equal to One-thousandth of a millimeter.

2.47105 acres is equal to what SI unit-Hectare

What word describes one tenth of a nautical mile-Cable

What is measured on the Torro scale -Tornados

unit of sound named after- Alexander Graham Bell - Decibel

The density Smoke is measured on the Rngelmann scale-

Unit of electromotive force in Volt.

Power is measured in Watts (w).

Resistance was discovered by Girge Ohm in 1826, and is measured in ohms.

Electricity does not flow through a circuit by itself. It needs a ‘push’, or energy, to keep it moving. We call this energy the voltage of the circuit. Voltage is measured in volts (v).

The German scientist George Ohm (1787-1854) is best remembered for working out ohm’s law. He discovered that they voltage across a conductor such as a trip of metal or a wire – and the current following through it always vary in the same proportion. So if you double the voltage, you double the current. This is incredibly useful; because it lets you predict the current you will get for a particular voltage.

The thickness of silk is measured in what- Denier

Ohm’s law does not apply to semiconductors and conductors when there is change in temperature.

In our houses we get 220 V a.c. The value of 220 V represents the effective voltage.

One unit of electric power is consumed when 10 A of current flows for 1 hour at 100 V. 1 Unit = 1 kw hr = 1000 w hr = 100 x 10 x 1 hr

If the same note is played on a flute and a sitar, one can still distirguish b/w them because they differ in quality.

A negatively charged glass rod has always less protons than electrons.

The wavelength of the X-rays is of the order of 0.1 nanometer.

Red, green and blue are known as primary colours. These are colours which cannot be produced by mixing with other colours.

Scattering of light ___ the duration of the day (make)

Oil rises in a wick of oil lamp on account of a property of matter called Capillary Action

a primary cell can ___ be charged again (not)

When a person can see nearer objects but not the distant ones he is said to be suffering from : nearsightedness (myopia)

ATP is a molecule containing high energy bonds.

An example of inorganic compound is carbon monoxide.

The time period of a pendulum on moon increases.

Clinical thermometer usually measures in Fahrenheit.

Tube light emits radiation even after it is disconnected. It is due to Fluorescence.

Shortsightedness can be corrected with the use of Concave.

Rectifier converts AC into DC

Atomic weight of chemical compounds is determined by Mass spectroscopy.

Atomic pile is a place where nuclear fission is made.

Drinker’s apparatus is for measuring the amount of Alcohol in the blood.

Dewar’s flask is called as thermos.

The conversion of gases into liquid under high pressure and low temperature is called regulation.

If a green leaf is seen in a red light its color will be black.

Emerge of VIBGYOR from one side of the prism is due to refraction and dispersion of light.

Oxidation is the process in which electron is lost.

Half-time is a time of radioactive substance taken by that substance to decompose radioactivity to half of its weight.

Light energy is stored in the form of chemical energy due to the activity of Chloroplast.

Sunlight is composed of seven colours

Oil rises in a wick of oil lamp on account of a property of matter called Capillary Action

What is a Fata Morgana- Type of Mirage

Freon-trademark for any of a number of chemical compounds containing fluorine, and often chlorine or bromine. Use: as solvents, as aerosol propellants, in refrigeration. It is commonly used in refrigerator.

Past Questions

About Islam

  1. Important Questions about Islamic Studies
  2. Hazrat Muhammad PBUH
  3. General Knowledge About Hazrat Muhammad PBUH Life
  4. Wives of Hazrat Muhammad PBUH
  5. Important Islamic History Events
  6. Important points of The Holy Quran
  7. Al-Quran MCQs
  8. About SAHABA KARAM
  9. Namaz
  10. Zakat
  11. Fasting (Roza)
  12. Imortant Article of Faith and Fundamental of ISLAM
  13. Important Islamic terms and Places
  14. Islamic Months of Years
  15. General Knowledge-Heavenly Books
  16. Important Angles
  17. Ashra-e-Mubrashra
  18. Reign Of 4 Caliphates(Khulafa Rashideen)
  19. Famous Islamic Generals
  20. Famous Islamic Battles
  21. Important Personalities and Their Titles in Islam
  22. Famous Muslim Scientists

  23. PPSC GENERAL KNOWLEDGE
  24. PPSC PAST Papers General Knowledge Questions


  25. About World

  26. World Records
  27. World Records (Guniees Book)
  28. 7 Wonders of the World
  29. Inventions and Inventors
  30. Important Facts of Worlds
  31. Important Places Of World
  32. Important Awards Of World
  33. Top 10 Languages of World
  34. Highest Military Awards of World
  35. Important Geographical Lines of World
  36. World Imortant National Days
  37. Importnat Religions of World
  38. Important Political terms and concepts
  39. Important News Agency of the World
  40. About UNO
  41. Organs of UNO
  42. Important Specialized agency of the UNO
  43. World Country with Capitals & Currency
  44. Famous Name of Places(Country)

  45. About Pakistan
  46. Basic Information About Pakistan
  47. Districts of Pakistan
  48. RIVERS OF PAKISTAN
  49. The Largest in Pakistan
  50. The Longest and Tallest in Pakistan
  51. Mountain Passes in Pakistan
  52. Chairman Senate and seats Distibutions of Pakistan
  53. Chief Justices of Pakistan
  54. Pakistan Affairs
  55. Who is First in PAKISTAN
  56. PAKISTAN GOVERNOR GENERALS
  57. PAKISTAN Presidents
  58. PAKISTAN Prime Ministers
  59. Attorney Generals of Pakistan
  60. State Bank Governors of pakista
  61. Army Chiefs of PAKISTAN
  62. Federal Cabinet of PAKISTAN
  63. Location of important Metalic and Non Metalic Minerals
  64. Constitutional Amedments Since 1973
  65. Army,PAF and Navy Officer Ranks
  66. Who is Who and What is What

  67. MOUNTAINS
  68. IMPORTANT MOUNTAIN PASSES
  69. OCEANS
  70. FAMOUS SEA PORTS
  71. FAMOUS STRAITS
  72. WORLD RIVERS
  73. FAMOUS ISLANDS
  74. FAMOUS DESERTS
  75. CITIES ON RIVER BANKS
  76. GEOGRAPHICAL DISCOVERIES
  77. WORLD COUNTRIES
  78. GENERAL KNOWLEDGE ABOUT WORLD
  79. IMPORTANT PHYSICAL PROPERTIES
  80. Ten LARGEST COUNTRIES BY AREA
  81. IMPORTANT ABBREVIATIONS
  82. IMPORTANT UNITS OF MEASUREMENT
  83. IMPORTANT INFORMATION ABOUT RAYS AND WAVES
  84. IMPORTANT INFORMATION ABOUT UNIVERSE
  85. NOBLE PRIZE
  86. NATIONAL EMBLEM
  87. FAMOUS EPITHETS
  88. IMPORTANT GEOGRAPHICAL LINES OF WORLD
  89. About Science
  90. Basic Geometry Math Defination
  91. Important Units of Measurments
  92. Basic Scientific Questions