Chemical Engineering Basics - Study Mode
[#216] For the Stoke's law to be valid in the case of a falling sphere in a fluid, the
Correct Answer
(C) Sphere must be metallic
[#217] 'Ice point' is designated on Farenhite temperature scale by
Correct Answer
(B) 32°
[#218] Safety matches is produced using
Correct Answer
(A) Red phosphorus
[#219] A thin, flat & square plate measuring 2 m × 2 m is freely hanging in ambient air at 25°C. It is exposed to the solar radiation falling on one side of the plate at the rate of 500 W/m 2 . The plate temperature will remain constant at 30°C, if the convective heat transfer co-efficient is __________ W/m 2 °C.
Correct Answer
(B) 100
[#220] Material having negative co-efficient of linear expansion is
Correct Answer
(C) Rubber