Gujarat Technological University 2010 B.Pharm Pharmaceutical Engineering - Question Paper

Q.1 (a) What is the principle of working of Rota meters? provide their general
design and working.
06
(b) Compare and contrast Orifice meter and Ventury meter. 05
(c) What is Reynolds number? Show how it is dimensionless.What is its
significance in fluid flow?
05
Q.2 (a) explain different factors affecting selection of material of Pharmaceutical
plant construction.
06
(b) describe Corrosion. explain galvanic corrosion. 05
(c) explain advantages and limitations of various type of plastics used in
Pharmaceutical industry.
05
Q.3 (a) explain Dalton's law, Amagat's legal regulations and their corollary. 06
(b) explain dimensional analysis, its advantages and disadvantages. 05
(c) A salt solution originally contains 4% by weight NaCl in water is
evaporated to 5% by weight NaCl. (NaCl is a tie substance.)
(a) What percentage of water evaporated? (b)What is the reduction in
original solution?
05
Q.4 (a) What is thermal radiation? discuss the concept of Black body and Gray
body in thermal radiation.
06
(b) Why do we use steam as heating media in Pharmaceutical industry? 05
(c) Classify steam traps. define balanced pressure expansion trap. 05
Q.5 (a) What is a valve? elaborate its basic components? With a neat and clean
diagram define globe valve.
06
(b) elaborate differences ranging from Pipe and Tubings? 05
(c) define Belt conveyer. 05
Q. six (a) explain the principle involved in Mass transfer. Enumerate unit
operations in which mass transfer operation is involved.
06
(b) describe the subsequent terms, (i) Absolute pressure (ii) Gauge pressure
(iii) Calorie (iv) British thermal unit (v) Absolute Zero temperature.
05
(c) explain the procedure of conversion of units. Express 1.80 gram/cubic
cm as pound/gallon
05
Q. seven (a) What is a Manometer? Derive formula applicable for simple
manometer.
06
(b) Write Short Notes : (Any Two)
(i) Arithmatic mean temperature and Logarithmic mean temperature
(ii) various kinds of Graphs (iii) Colour code for piping system
05
(c) A mercury manometer is connected across a ventury meter.The pressure
on up stream - side (P1) is 0.5 kg/cm2 gauge. The manometer studying
(?P) is 70mm.Hg.The fluid flowing is water. compute pressure at
throat (P2)
Density Water – one gm/cm3 Density Hg. – 13.6 gm/cm3.

Earning:   Approval pending.