Questions

Cast iron is a group of iron-carbon alloys with a carbon content greater than 2% and is a brittle material.

Its usefulness derives from its relatively low melting temperature.

Here the letter 'M' appears once in Minute and twice in a MoMent.

Windhoek is the Capital of Namibia.

Arya Samaj was an Indian religious movement  based   on   Vedas  and was     founded     by     Dayananda Saraswati on April 7, 1875 and was based in Punjab and western Uttar Pradesh     states     like,     Aligarh, Varanasi, etc.  It  was  against  caste system  and  supported  equality  of men   and   women,moreover   it mainly    comprised    the    trading castes;    while    Brahmo    Samaj, founded  by  Raja  Rammohan  Roy, was limited because it was popular only   among   elite   and   educated society.

Every ecosystem must have Autotrophs.

Sound intensity or level is measured by a unit called a decibel. An 85 decibel noise level is not a safe standard for the public.

Hence, Acceptable noise level for human ear is less than 85 db.

Pressure = (Net Force) / (Applied area) = Newton / square meters

Measuring units of pressure are:

. Pascal
. Bar
. Torr
. Pounds per square inch (psi)
. Standard atmosphere (atm).