Question: Glass is corroded by
[A].fluorine (dry or wet)
sulphuric acid
phosphoric acid
none of these
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Concrete tank can be used to store
Question: Concrete tank can be used to store
[A].alum
ferrous sulphate
sulphuric acid
saturated brine
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
Carbon tetrachloride can be stored in a storage vessel made of
Question: Carbon tetrachloride can be stored in a storage vessel made of
[A].high silicon iron (14% Si)
tin
stainless steel
all (a), (b) and (c)
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
Back-trapping in a distillation column
Question: Back-trapping in a distillation column
[A].increases tray efficiency.
decreases tray efficiency.
reduces pressure drop.
is desirable, as it provides improved vapour-liquid contact.
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Perspex is nothing but
Question: Perspex is nothing but
[A].acrylic sheet
an elastomer
an alloy of lead and tin
aluminium foil clad with bakelite
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
If the path of liquid across the plate is very long as in case of large diameter tower, Murphree efficiency can be __________ percent.
Question: If the path of liquid across the plate is very long as in case of large diameter tower, Murphree efficiency can be __________ percent.
[A].100
> 100
< 100
none of these
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Nickel made/clad equipments are suitable for handling
Question: Nickel made/clad equipments are suitable for handling
[A].ammonia (both aqueous & anhydrous).
fruit juices, milk & its products and caustic soda solution.
nitric acid & hydrochloric acid (conc).
sulphuric acid (conc).
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Mild steel storage vessels are suitable for the storage of
Question: Mild steel storage vessels are suitable for the storage of
[A].anhydrous ammonia
fatty acids
hydrochloric acid (95%)
sulphuric acid (25%)
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Lead lined equipments & vessels are suitable for handling
Question: Lead lined equipments & vessels are suitable for handling
[A].hydrochloric acid (10%).
nitric acid.
sulphuric acid upto 60°C.
all (a), (b) and (c).
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
Containers made of high silicon cast iron (14% Si) are not suitable for the storage of
Question: Containers made of high silicon cast iron (14% Si) are not suitable for the storage of
[A].acetic acid.
benzoic & boric acids.
phosphoric acid (95%) & sulphuric acid (95%).
hydrochloric acid (concentrated).
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.