General Science

Q1801.Decibel unit is used to measure

Q1802.American television and Telegraph has developed such computer procedure which gives multi-user environment, it is called

Q1803.Galvanized iron is coated with

Q1804.What is the decibel level of sound produced by two persons in conversation?

Q1805.‘Windows-3’ a popular windowing environment was released by Microsoft in the year

Q1806.Aluminium surface is often ‘Anodized’. This means the deposition of a layer of

Q1807.A noise level of 100 decibel would correspond to

Q1808.Windows operating system was developed by

Q1809.Out of the following which is not an alloy?

Q1810.As per the WHO, the safe noise level for a city is

Q1811.Windows Software has been developed by

Q1812.The plates of galvanized iron remains protected from rust because the existence of

Q1813.The tolerable limit of noise for human being is around

Q1814.Which of the following is an Operating System?

Q1815.Alloy of which metal is used to make aeroplane and parts of the compartment of the train?

Q1816.Sound above what level (in decibel) is considered hazardous noise pollution?

Q1817.In microwave oven, the microwave tube used is

Q1818.Mercury metal mixture is

Q1819.The optimum sound level for human beings is

Q1820.The memory of the computer is measured by