Centrifugal pump made of pyrex or glass can't be used to pump (A) Milk and fruit juices (B) Alkaline solutions (C) Dilute H2SO4 at room temperature (D) Brine

Centrifugal pump made of pyrex or glass can't be used to pump
(A) Milk and fruit juices
(B) Alkaline solutions
(C) Dilute H2SO4 at room temperature
(D) Brine
by

1 Answer

Answer :

(B) Alkaline solutions
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Nickel made/clad equipments are suitable for handling (A) Ammonia (both aqueous & anhydrous) (B) Fruit juices, milk & its products and caustic soda solution (C) Nitric acid & hydrochloric acid (concentrated) (D) Sulphuric acid (concentrated)

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Last Answer : (B) Fruit juices, milk & its products and caustic soda solution

Wrought iron is a suitable material of construction for handling __________ solutions(A) Dilute acidic(B) Concentrated acidic(C) Alkalis & alkaline(D) None of these

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Last Answer : (D) Hydrofluoric acid

Wet chlorine gas produced during electrolysis of brine is dehydrated by (A) Spraying 66° Be H2SO4 counter current to the flow of the gas (B) Passing it through a bed of diatomaceous earth (C) Passing it through a bed of silica gel (D) None of these

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. Which of the following reagents will react with furan to form 2-furansulfonic acid? (a) SO3 in pyridine at 100°C (b) Dilute H2SO4 at 200°C (c) SO2 at 100°C (d) Dilute H2SO4 at 100°C

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The net positive suction head (NPSH) of a centrifugal pump is defined as the sum of the velocity head and the pressure head at the (A) Discharge (B) Suction (C) Suction minus vapor pressure of the liquid at suction temperature (D) Discharge minus vapor pressure of the liquid at the discharge temperature

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