Question: H2S present in naphtha reformed gas is removed by absorbing with
[A].ethanolamine
K2CO3
HCl
vacuum gas oil
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Mass Transfer
Absorption factor is defined as (where, S1 = slope of the operating line S2 = slope of the equilibrium curve)
Question: Absorption factor is defined as (where, S1 = slope of the operating line S2 = slope of the equilibrium curve)
[A].S2/S1
S1/S2
S1 – S2
S1 x S2
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
In case of a desorber (stripper), the
Question: In case of a desorber (stripper), the
[A].operating line always lies above the equilibrium curve.
operating line always lies below the equilibrium curve.
temperature remains unaffected.
temperature always increases.
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
For an absorber, both equilibrium and operating line will be straight for
Question: For an absorber, both equilibrium and operating line will be straight for
[A].concentrated solution and non-isothermal operation.
dilute solution and non-isothermal operation.
dilute solution and isothermal operation.
concentrated solution and isothermal operation.
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
In case of an absorber, the operating
Question: In case of an absorber, the operating
[A].line always lies above the equilibrium curve.
line always lies below the equilibrium curve.
line can be either above or below the equilibrium curve.
velocity is more than the loading velocity.
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Flooding in a column results due to
Question: Flooding in a column results due to
[A].high pressure drop
low pressure drop
low velocity of the liquid
high temperature
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Berl saddle made of carbon cannot be used for
Question: Berl saddle made of carbon cannot be used for
[A].alkalis
SO2
H2SO4
oxidising atmosphere
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
At the same gas flow rate, the pressure drop in a packed tower being irrigated with liquid __________ that in dry packed tower.
Question: At the same gas flow rate, the pressure drop in a packed tower being irrigated with liquid __________ that in dry packed tower.
[A].is greater than
is lower than
is same as
cannot be predicted as data are insufficient
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Operating velocity in a packed tower is usually __________ the flooding velocity.
Question: Operating velocity in a packed tower is usually __________ the flooding velocity.
[A].half
twice
equal to
more than
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Flooding results in
Question: Flooding results in
[A].high tray efficiency
low tray efficiency
high gas velocity
good contact between the fluids
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.