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Heat transfer MCQs Pharmaceutical Engineering:- PDF

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        Heat T r a n s f e r a n d M a s s
                 Transfer
              of pr ep ar at io n mu st be in di ca te d on la bl es
1. The method
for
          (a) Water for Injection USP.
          (b) Stronger Rose Water NF.
          (c)     Bacteriostatic Water for Injection USP.
          (d) Purified Water USP.

2. Water for Injection USP may be prepared from tap
water by
(a) chemical treatment with KMn04
(b) deionization followed by filtration through
pyrogen retaining filters.
(c) reflux distillation
(d) simple distillation

3. The form of water most commonly used as a solvent
during the manufacture of parenterals is
(a) deionized water.
(b) distilled water.
(c) Bacteriostatic Water for Injection USP.
(d) Water for Injection USP.

4. The USP has established limits on dissolved solids in
the official waters, assuming that such values should
reflect the relative purity of the waters. Which of the
following has the lowest permissible level of
dissolved solids?
(a) Bacteriostatic Water for Injection USP
(b) Purified Water USP
(c) Potable water
(d) Sterile Water for Injection USP (in 30 ml Vials)

S. Heat transmission which limits to solids and fluids
and bound in some ways is
(a) Convection _{b) Conduction
(c) Radiation (d) Momentary Transition

6. The heat flow that results from mixing or
turbulence Is
(a) Conduction (b) Convection
radiation Is
T r a n s i t i o n
(d) Momen t a r y (a)Conduction —(b) Convection
(c) Radiation
(c) Radiation (d) Momentary Trang
c h o c c u r s a t f luid is
fer whi
18. Hot D, OdY iS a ossesssssseeee in radiation he,
7. T h e h e a t t r a n s
(b) Convection rv asesancion
(a) Conduction ! rans! Te (°) Absorbe asf
d) Momentary) wa (a) Emitter i,
‘ati ne ; –
Se arfara _ ‘nclude (1 ter for injection,
water for injection; (III) sterile (c) Transmitter (d) Inteng; fer
8. “(il bacteriostatic
,
elieinjection. (b) Ill only. 19. Heat CONCUCEION IS srrreeenseon Proportion,
the
(d) I, U1, and UL. thickness of the medium
(c) land Il only. (b) Inversely
(a) Directly ea si ng
| (c) In A b s e n c e of (d ) In In cr
je ct io n di ff er s fr om st er il e di st il le d wa ter
9. Water for in | |
as itis free from
(a) carbon dioxide (b) pyrogens 20. enertnnone 1S expressed as the ratio of driving force
(d) antioxidant the resistance
(c) preservatives. (b ) Ce nt ri fu ga ti oy
(a) He at tr an sf er
(c) Fluid at Static (d) Stokes
10. The driving force in heat transfer is
(a) Temperature Difference
(b) Surface Area Difference 21. Transfer occur by’transmission of momentum
(c) Degree of Difference individual molecules is
(d) Density of Difference (a) Convection (b) Conduction
(c) Radiation (d) Momentary Transition
11. Increase in the thickness of the medium causes
emeetemas in resistance to conduction: 22. A solution of alcohol and water is boiling at §8C
(a) Increase (b) Decrease which is much higher than the boiling pointof
(c) Ineffective (d) Effective alcohol. What would be the partial pressure of
alcohol at that temperature?
12.T he iat
7 effects by Radiation
heating depends on (a) Equal with ,
: the atmospheric pressure
ssaisscaedtevees of the material to be heated (b) Higher than the atmospheric pressure.
a en (b) Thickness (c) Less than the seseiabart pr am
c) Melting § poinpoint i
(d) Thermal Efficiency | of the above.
(d) All eS

13. Source used for radiation heatin dah ‘on is*”
is/2*
23. The principle objective(s) of steam distillation
Ultra Violet
(a) Lazer (b) hin
fe} (d) Infrared Lamps (a) separation of volatile oil
(b) preparation of aromatic water ‘as
LAS sccsssitvasis has high heat content (c) to use latent heat of steam as source 0″
(c) Steam (d) Fast Moving Electrons () A and (b)

Eas The surface (air ) of the liquid which offer 24. The process of reverse osmosis can be used f0
resistance to boiling is……………. boiling prepare
(a) = driven (b) Film (a) Alcohol US P, (b) [sopropy! Alcoho! Us“
(c) Convective (c) Purif; esia U”
(d) Conductive ined Water USP. (d) Milk of Mag”
16. Rise in temperature ca 25.T
(a) Surface Area and io. ” | a resistance of heat offered Dy . the
(b) Viscosity and Film Coeffici reci er of layers can be obtained by addi”
(c) Convective Current and D a procal of their
(d) Density and Viscosity ensity (a) Pressure
(b) Coefficient of Heat
17, Energy transf er that oc (c) Therm al | :
Conductivities
ee curs by electromagnati- | (d) Coefficient OF Tamnorattiiva
; tc’ VV) con | . |

20. . residual Temperature (b) Vapour Heat
A) rent Heat (dl) Temperature
il ‘ . ‘5%

tj at

»7 Coefficient of thermal conductivity refers to
of the material
(a) Temperature (b) Conductin 2 Tube
(c) Enthalpy (dl) Unit Thickness

28. PILI ssccssateowienss represents, thermal conductivity of
the film
(a) Conductivity (hb) Coefficient
(c) Resistant (d) Surface Area
¢9. Boiling, which increases the resistance of the
steam due to irregular streams of the vapour
bubbles (which originates from a point on the
surface) is
a) Nucleate Boiling (b) Surface Boiling
(c) Bulk Boiling (d) Brownian Tendency
30, .
The surface (air) of the liquid which offer
ore Co boiling is wees boiling.
ver driven (b) Film
(c) Co
Cc
nvective (d) Conductive
*
(b) HEAT TRANSFER & MASS TRANSFER

l-d 2-d 3-d 4-b 5-b 6-b 7-b 8-d 9-b 10-a
ll-a 12-a 13-d 14-c 15-b 16-d 17-c 18-a 19-b 20-a
21-b 22-c 23-d 24-c 25-c 26-c 27-d 28-b 29-a 30-b

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