Question { Bhel, 21204 }

Suppose there are two cylinders / vessels.In one cylinder
the pressure is 1.5 bar & in other 0.5 bar.If both cylinder
are connected internally through valve connection, what
will be the final pressure in both?

Answer

pressure will become equal in both vessels.

Question { BARC, 14094 }

why we express the unit of torque in Nm.even though it can
be expressed as Joule ( J )?

Answer

TORQUE IS A MECHANICAL ENERGY TERM,PRODUCT OF DISTANCE AND
FORCE TOO.SO REPRESENTED AS Nm.but joule is the unit oe
heat energy,(memmory of sceintist JOULE)who defined
themodynaic heat energy.........