3474Chemical EngineeringMedium
Window panes of aeroplanes are normally made of________?
APolystyrene
BBakelite (phenol formaldehyde)
CTeflon (PTFE)
DPerspex (PMMA)
Correct answer
D. Perspex (PMMA)
Explanation
The correct answer is Perspex (PMMA).
Correct answer
D. Perspex (PMMA)
Explanation
The correct answer is Perspex (PMMA).
The local surface conductance for laminar film condensation on vertical surface is (where, t = film thickness) ________?
25 per cent cut segmental baffle means that the baffle________?
“Micum Index” of a coke is a measure of its________?
Operating condition in the electrical dehydrators for crude oil is about________?
Incomplete combustion of a fuel is characterised by the high ________ in the flue gas?
Which of the following has the highest modulus of elasticity (about 7 × 106 kg/cm2)?