Is Si a English word? Meaning of SI in English. abbreviation for Système International: the international system of units used for scientific measurements, with standard base units such as the meter and the kilogram: The SI unit of electric current is the ampere. What can Si stand for? Système international What is the medical term […]
Is it better to get fit before playing sports or play sports to get fit?
Is it better to get fit before playing sports or play sports to get fit? Being fit is very important to overall health. However, when looking at sports performance the goals tend to be more specific and the level of training higher. Just by being fit does not necessarily mean that one is ready for […]
Is fracking good or bad?
Is fracking good or bad? In the U.S. alone, around 13 million metric tons of methane is released annually from natural gas wells alone. Fracking well sites are the source of a number of other air pollutants, which are less common than methane, but arguably more harmful to local populations. Where is fracking banned? Four […]
What is loss formula?
Why diesel engines are called CI engines?
Why diesel engines are called CI engines? Diesel engines are sometimes called compression-ignition engines because initiation of combustion relies on air heated by compression rather than on an electric spark. In a diesel engine, fuel is introduced as the piston approaches the top dead centre of its stroke. What is the difference between SI & […]
Why are objects Coloured?
Why are objects Coloured? Objects appear different colours because they absorb some colours (wavelengths) and reflected or transmit other colours. The colours we see are the wavelengths that are reflected or transmitted. White objects appear white because they reflect all colours. Black objects absorb all colours so no light is reflected. Why is red the […]
What are the disadvantages of using aluminum wire?
What are the disadvantages of using aluminum wire? The disadvantage of aluminum wiring is that it must be installed correctly to avoid the risk of house fires. When a current runs through aluminum wiring it causes the metal to expand. This creates a cycle of expanding and contracting called “cold creep.” In time, this can […]
Which can show resonance?
Which can show resonance? Resonance is shown by toluene which contains alternate single and double bonds in a planar six-membered ring. Was this answer helpful? Why is ozone a resonance structure? Ozone, or O3 , has two major resonance structures that contribute equally to the overall hybrid structure of the molecule. Both structures account for […]
Could 8.8 cm 8.0 cm and 8.8 cm be the side lengths of a triangle?
Which metal is a poor conductor of electricity?
Which metal is a poor conductor of electricity? Bismuth and tungsten are poor conductors of electricity. Can diamonds stop a bullet? Pound for pound, diamonds are not very good at stopping bullets. The energy absorbed by diamond shattering is much less than the energy absorbed by metals deforming. A plate of steel would be better […]