IMPORTANT UNITS OF MEASUREMENT IN WORLD.

IMPORTANT UNITS OF MEASUREMENT OF WORLD 1 horse power is 745.7 watts 1 horse power = work equal to lifting 550 lbs of weight t...



IMPORTANT UNITS OF MEASUREMENT OF WORLD




  1. 1 horse power is 745.7 watts

  2. 1 horse power = work equal to lifting 550 lbs of weight to one foot for one second

  3. 1 calorie is equal to 4.2 Joules

  4. 1 barrel is equal to 159 liters

  5. 6 feet = 1 fathom

  6. 1 kwh = 3.6 x 10 power 6 joules

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

  8. -273 degree centigrade is called absolute zero temperature.

  9. Standard pressure is 760 mm or 14.7 lb/in2

  10. Gross is equal to 12 dozens

  11. Mach 2 = 500 miles per hour

  12. 1 nautical mile = 1825 meters

  13. Unit of pressure is Pascal

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

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

  16. Hertz and Angstrom are units of frequency

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

  18. Diopter is unit of power of lens

  19. Unit is density is kg/m3

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

  21. Unit of electric charge is Coulomb

  22. Unit of voltage is volt

  23. Unit of electric resistance is ohm

  24. Unit of capacitance is Farad

  25. Unit of magnetic flux is Weber, Tesla

  26. Unit of radio activity is Becquerel

  27. Unit of luminous intensity is candle, lux

  28. Unit of crude oil is Barrel

  29. Unit of volume of water is cusec, cubic/sec

  30. Unit of admittance is Mho

  31. Unit of intensity or loudness of sound is bel

  32. Unit of viscosity is Poise

  33. Unit of flight speed is Mach I

  34. Unit of atmospheric pressure is milli bar

  35. Unit of wave length of light is Angstrom

  36. Unit of energy is Electron volt

  37. Unit of brightness is Lambert

  38. Unit of luminous flux is Lumen

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

  40. Unit of magnetic pole strength is Weber

  41. Unit of RAD (Radiation Absorbed Dose) is Gray

  42. Unit of Electric Current is Ampere

  43. Unit of inductance is Henry

  44. Unit of conductance is siemens.

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

  46. Radio activity is measured in currie

  47. Rutherford : strength of radioactivity

  48. Torr: pressure

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

  50. Sved berg unit:sedimentation rate

  51. Dioptre: power of lense

  52. Mho : conductivity

  53. Henry: inductance

  54. Maxwell: magnetic flux

  55. Becquerel: radioactivity

  56. Kilo watt hour: power

  57. Coulomb: unit of electrical charge

  58. Weber: unit of magnetic flux

  59. Tesla: unit of magnetic flux density

  60. Siemen: unit of conductance

  61. Rutherford: unit of rate of decay of radioactive material

  62. Faraday: unit of electric charge

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

  64. Parsec: unit of astronomical length

  65. Degree: unit of measurement of an angle

  66. Steradian: Unit of solid angle measurement

  67. Dyne is a unit of Force.

  68. SI unit of pressure is Pascal.

  69. Curie is a unit of : radioactivity

  70. Pascal Sound Pressure

  71. Torr Pressure

  72. Curie Intensity of radioactivity

  73. Angstrom Unit of length

  74. Light year The distance light travels in a year

  75. Dioptre Lens refractive power

  76. Horse power Unit of Power

  77. Radian Unit of angular measure

  78. Candela Unit of luminous intensity

  79. Mole unit of amount of substance

  80. What is measured in units called phon- Sound 192

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

  82. Unit of electromotive force in Volt.

  83. What is the SI unit of illumination -Lux

  84. Gross is equal to 12 dozen.

  85. Ozone is measured in percent age.

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

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

  88. Chronometer is used to measure... time

  89. Anemometer is used to measure... Wind Speed

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

  91. One million cycles per second is called Megahertz.

  92. 0.200 grams are equal to one carat.

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

  94. 8 furlongs make one mile.

  95. 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.

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

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

  98. 2.47105 acres is equal to what SI unit-Hectare

  99. What word describes one tenth of a nautical mile-Cable

  100. What is measured on the Torro scale -Tornados

  101. unit of sound named after- Alexander Graham Bell - Decibel

  102. The density Smoke is measured on the Rngelmann scale-

  103. Unit of electromotive force in Volt.

  104. Power is measured in Watts (w).

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

  106. 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).

  107. 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.

  108. The thickness of silk is measured in what- Denier

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

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

  111. 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

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

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

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

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

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

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

  118. a primary cell can ___ be charged again (not)

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

  120. ATP is a molecule containing high energy bonds.

  121. An example of inorganic compound is carbon monoxide.

  122. The time period of a pendulum on moon increases.

  123. Clinical thermometer usually measures in Fahrenheit.

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

  125. Shortsightedness can be corrected with the use of Concave.

  126. Rectifier converts AC into DC

  127. Atomic weight of chemical compounds is determined by Mass spectroscopy.

  128. Atomic pile is a place where nuclear fission is made.

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

  130. Dewar’s flask is called as thermos.


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

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

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

  134. Oxidation is the process in which electron is lost.

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

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

  137. Sunlight is composed of seven colours

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

  139. What is a Fata Morgana- Type of Mirage


  140. 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.

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SOLVED MCQs FOR ALL: IMPORTANT UNITS OF MEASUREMENT IN WORLD.
IMPORTANT UNITS OF MEASUREMENT IN WORLD.
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SOLVED MCQs FOR ALL
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