The
order of preference for feedstock to a catalytic reformer is
(A)
Catalytic naphtha – coking naphtha –
virgin naphtha
(B)
Coking naphtha – virgin naphtha –
catalytic naphtha
(C)
Virgin naphtha – catalytic naphtha –
coking naphtha
(D)
Virgin naphtha – coking naphtha – catalytic
naphtha
GATE
2003
Answer: (B)
From
amoung the following, choose one that is not an exothermic process
(A)
Methanol synthesis
(B)
Catalytic cracking
(C)
Ammonia synthesis
(D)
Oxidation of sulfur
GATE
2002
Answer: (B)
The
commonly used solvent in super critical extraction
(A)
Methyl – ethyl – ketone
(B)
Water
(C)
Carbon tetrachloride
(D)
Carbon dioxide
GATE
2002
Answer: (D)
The
average boiling point of aviation turbine fuel is closest to that of
(A)
Lubricating oil
(B)
LPG
(C)
Diesel
(D)
Kerosene
GATE
2002
Answer: (D)
In
the manufacture of sulfuric acid from elemental sulfur, the following sequence
of major operations is followed
(A)
Furnace → converter → absorber
(B)
Furnace → evaporator → absorber
(C)
Furnace → converter → evaporator
(D)
converter → furnace → absorber
GATE 2002
Answer: (A)
Consider
the production of ammonia from methane and air as raw materials. The catalysts
use are (a) ------------ for steam reforming of methane and (b) -------------
for ammonia synthesis.
(A)
(a) Ni/Al2O3 (b) Cu-ZnO/Al2O3
(B)
(a) Fe/Al2O3 (b) Cu-ZnO/Al2O3
(C)
(a) Ni/Al2O3 (b) Fe/Al2O3
(D)
(a) Fe/Al2O3 (b) Ni/Al2O3
GATE
2002
Answer: (C)
In
the fluid catalytic cracker (FCC), the cracking reaction is ----(i) ------- and
the regeneration is ------(ii) -------
(A)
(i) exothermic (ii) endothermic
(B)
(i) exothermic (ii) exothermic
(C)
(i) endothermic (ii) endothermic
(D)
(i) endothermic (ii) exothermic
GATE
2001
Answer: (A)
Styrene
is produced from ethyl benzene by the process
(A)
Dehydrogenation
(B)
Oxidation
(C)
Alkylation
(D)
Dehydration
GATE
2001
Answer: (C)
Commonly
used process for the manufacture of synthesis gas from the natural gas
(A)
Contact process
(B)
Chamber process
(C)
Fischer – Tropsch process
(D)
Kraft process
GATE
2001
Answer: (C)
In
the converter of the contact process for the manufacture of H2SO4,
the equilibrium conversion of SO2
(i) ______ with increase in the temperature and (ii) ______ with increase in the mole ratioof
SO2 to air
(A)
(i) increases (ii) decreases
(B)
(i) decreases (ii) increases
(C)
(i) increases (ii) increases
(D)
(i) decreases (ii) decreases
GATE
2001
Answer: (B)
For
the hydrogenation of oils, (i) ______ is commonly used as catalyst and (ii) ______ is a catalyst poison.
(A)
(i) platinum (ii) sulfur
(B)
(i) palladium (ii) oxygen
(C)
(i) nickel (ii) sulfur
(D)
(i) nickel (ii) oxygen
GATE
2001
Answer: (C)
In
petroleum refining, the process used for conversion of hydrocarbons to
aromatics is
(A)
Catalytic cracking
(B)
Catalytic reforming
(C)
Hydrotreating
(D)
Alkylation
GATE
2000
Answer: (B)
Triple
super phosphate is manufactured by heating
(A)
phosphate rock with phosphoric acid
(B)
phosphate rock with sulfuric acid
(C)
phosphate rock with nitric acid
(D)
ammonium phosphate with phosphoric acid
GATE
2000
Answer: (A)
Commercial
ethylene is produced from Naphtha by
(A)
catalytic cracking
(B)
catalytic dehydrogenation
(C)
pyrolysis
(D)
hydrocracking
GATE
2000
Answer: (C)
Synthesis
gas is a mixture of
(A)
CO and H2
(B)
N2 and H2
(C)
H2, CH4 and CO
(D)
CO2 and H2
GATE
2000
Answer: (D)
Which
of the following gaseous fuels is likely to have the highest gross calorific
value?
(A)
Sewage gas
(B)
LPG
(C)
Producer gas
(D)
Natural gas
GATE
1999
Answer: (B)
Sucrose
is a disaccharide consisting of
(A)
glucose and glucose
(B)
glucose and fructose
(C)
glucose and glactose
(D)
fructose and glactose
GATE
1999
Answer: (B)
Which
one of the following is not likely to be constituent of vegetable oils
(A)
citric acid
(B)
oleic acid
(C)
stearic acid
(D)
glycerol
GATE
1999
Answer: (A)
The
organic acid monomer in Nylon 6,6 is
(A)
sebasic acid
(B)
terephthalic acid
(C)
adipic acid
(D)
benzoic acid
GATE
1999
Answer: (C)
The
material preferred for the storage tank for 98% sulfuric acid is
(A)
Aluminium
(B)
Lead
(C)
SS 316
(D)
Mild steel
GATE
1998
Answer: (D)
No comments:
Post a Comment