MEASUREMENT/UNIT
Total Questions: 52
1 Micron =10∧-6 =10∧-6*10∧3mm =1/10∧3mm =1/1000mm.
One micron represents a length of 10∧-6 m. It is represented by µ sign 1 micron = 0.000001 m=0.0001 cm
Celsius is a scale and unit of measurement for temperature.Heat is measured in calories.Nautical mile is measured the distance at sea and equal to 1.852 km.Horse power is measured by power, 1 horse power is equal to 746 watts.Decibel is used to measure the sound intensity.
The watt is a derived unit of power in the international system of units ( SI). Rest of all are the units of heat.
The most commonly used scales are Centigrade scale ,Fahrenheit scale and Kelvin scale.While the calorie ,erg and joule are the units of heat energy.Heat is a form of energy.
The SI unit of distance is metre.1 km is equal to 1000 m.1 m equal to 100 cm.
The smallest unit of measuring the mass are Pikogram, Femtogram, Milligram, Microgram.1 pikogram is equal to 10∧-12 gram.
The pascal is the unit of pressure in the international unit (SI). 1 (Pa) = 1 newton/metre∧2=1kgm ∧-1s∧-2.
kg/cm∧2, kg/cm, kg/mm are not the correct expression for pressure and it should be kgf/cm∧2 equals 98066.5 pascals.
