Updated: Question in GATE 2012 Metallurgical Engineering Paper with Solution

August 08, 2012

A question in GATE 2012 Metallurgical Engineering Paper with Solution has been updated:

The terminal velocity of a fine spherical steel particle having diameter $d_p,\ in\ \mu m$ range, if allowed to fall in a quiescent liquid Al bath, is

$1.3\ x\ 10^6\ d_p {}^2\ m/s$
$2.6\ x\ 10^6\ d_p {}^2\ m/s$
$5.2\ x\ 10^6\ d_p {}^2\ m/s$
$6.6\ x\ 10^6\ d_p {}^2\ m/s$