Nov. 2012

Question 1

Chemical formula and molecular weight of

1,1-tetradecenyl acetate?

Answer 1

C16H30O2 ( 254 gram/mol)

Question 2

What is the product when ethanol chloride is reacted with propanol?

Answer 2

Ethyl Ethanoate (Ester)

Question 3

What is the primary used of ethylene?

Answer 3

Ripening of Fruits

Question 4

What is common contaminant in the BTEX process?

Answer 4

Benzene
Toluene
Ethyl Benzene
Xylene

Question 5

Where does enzyme capsaicin commonly found?

Answer 5

Capsicum (Chilli)

Question 6

What is the other name of bulk temperature?

Answer 6

Mixing cup temperature

Question 7

Choose the common method in removal of fine particles in hot airstream common in cement production?

Answer 7

ESP

Question 8

What is the method that Wohler do to break the vit force theory on nature?

Answer 8

Heating of NH4Cl with AgCN to form Urea

Question 9

Arrange the ff. substance in terms of increasing melting point?
Palmitic, Stearic, Oleic

Answer 9

OPS
Oleic (16)
Palmitic (63)
Stearic (70)

Question 10

What is the common form of nitro glycerol?

Answer 10

Nitroglycerine- colorless oily liquid w/ no odor

Question 11

Unbalance electron w/ unequal sharing of electrons?

Answer 11

Polar Bond

Question 12

What is the most polar and least polar of the ff. functional groups?
R-OH, R-NH3, R-COOH, C triple bond C and C-C

Answer 12

RCOOH>ROH>RNH3>C triple bond C > C-C

Question 13

The range of melting point of fatty acids?

Answer 13

Saturated F.A.- 100-110 degree C

Unsaturated F.A.- 70-85 degree C

Question 14

What happen to the pH of carbonated drinks if it open in atmosphere?

Answer 14

Decrease

Question 15

What happen to the enthalpy content of the real gases when it is throttled at constant temperature?

Answer 15

△H= 0 , CONSTANT

Question 16

Define metabolism, catabolism and anabolism?

Answer 16

Metabolism- a biochemical process that allows an organism to grow, reproduce and adapt to its environment
2 Metabolic Process:
1. Anabolism- process w/c builds molecules the body needs, REQUIRES ENERGY
2. Catabolism- process that breaks down complex molecules into smaller molecules, RELEASES ENERGY

Question 17

What law is PRC Modernization act?

Answer 17

RA 8981

Question 18

Choose whether the ff. is/are represents nuclear fusion?
A. BIGBANG
B. Radiant Energy of the sun
C. formation of deutrium/tritium
D ALL

Answer 18

ALL

Question 19

Match the ff. nuclear reaction
I. Artificial Radioactivity
II. Induced Radioactivity
III. Hydrogen Fusion Reaction
IV. Natural Radioactivity

Answer 19

I and II, III and IV

Question 20

What unit operation originated in Trona Process?
A. Fractional Distillation
B. Crystallization
C. Evaporation

Answer 20

Crystallization

Question 21

What is Hagreave’s Process?

Answer 21

Production of Sodium Sulfate (Na2SO4)

Question 22

In the calculation of compressibility factor which of the ff. equations apply for a high pressure condition?

Answer 22

Z=1 + BP/RT

Question 23

If the order of the reactant increases the half life decreases, what order of the reaction is this?

Answer 23

2nd oder

Question 24

If the reaction time is directly proportional to the concentration of the reactant the order is?

Answer 24

ZERO ORDER

Question 25

Which of the ff. uses MIMO (Multiple Input, Multiple Output) system is controlling their process? A. Diatillation B. Extraction C. Evaporation

Answer 25

Evaporation

Question 26

How is fluctuation in the process is controlled?

Answer 26

Equipping the instrument w/ integral controller

Question 27

Group of sound w/ many non harmonic frequency components of varying amplitudes and random phase?

Answer 27

Noise

Question 28

What do you call the temperature in which the reactor condition cannot be controlled?

Answer 28

Runaway Temperature