Iron rust is
Question: Iron rust is
[A].
ferrous oxide.
hydrated ferric oxide.
powdered iron.
ferric sulphide.
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Similar Posts
Foot valves are provided in the suction line of a centrifugal pump to
Question: Foot valves are provided in the suction line of a centrifugal pump to
[A].avoid priming, every time we start the pump. [B].
remove the contaminant present in the liquid. [C].
minimise the fluctuation in discharge. [D].
control the liquid discharge. Answer: Option A
Explanation:
No answer description available for this question.
Dose of chlorine for disinfection of water is about __________ mg/litre of water.
Question: Dose of chlorine for disinfection of water is about __________ mg/litre of water.
[A].0.01 [B].
0.1 [C].
0.3 [D].
1 Answer: Option D
Explanation:
No answer description available for this question.
In case of absorption & stripping, the interface of the liquid & gas phases are present in equilibrium, when the diffusional resistance of __________ is zero.
Question: In case of absorption & stripping, the interface of the liquid & gas phases are present in equilibrium, when the diffusional resistance of __________ is zero.
[A].interface [B].
gas phase [C].
liquid phase [D].
all ‘a’, ‘b’ & ‘c’ Answer: Option A
Explanation:
No answer description available for this question.
Which of the following is the most suitable material of construction for evaporator & its tubes for concentrating NaOH solution to 70% ?
Which of the following is the most suitable material of construction for evaporator & its tubes for concentrating NaOH solution to 70% ?A. Cast iron
B. Steel
C. Nickel
D. KarbateFor a first order reaction carried out in a plug flow reactor, the space time is
Question: For a first order reaction carried out in a plug flow reactor, the space time is
[A].[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
A psychrometer does not measure the __________________ temperature of moist air?
A psychrometer does not measure the __________________ temperature of moist air?A. Dew point
B. Dry bulb
C. Wet bulb
D. None of these