Lead percentage in pure galena is about
Question: Lead percentage in pure galena is about
[A].
8.6
86.6
35.8
61.4
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Similar Posts
Basic open hearth furnace (BOF) is not used for producing ______________ steel?
Basic open hearth furnace (BOF) is not used for producing ______________ steel?A. Killed
B. Rimming
C. High alloy
D. None of theseAlloy powder manufactured by the following process have spherical shapes.
Question: Alloy powder manufactured by the following process have spherical shapes.
[A].Electrochemical deposition. [B].
Gaseous reduction. [C].
Atomisation. [D].
Mechanical attrition. Answer: Option C
Explanation:
No answer description available for this question.
During nitric acid manufacture, catalytic oxidation of ammonia at 800°C in presence of platinum catalyst produces nitrogen oxide. Conversion of NH3 to NO is about __________ percent.
Question: During nitric acid manufacture, catalytic oxidation of ammonia at 800°C in presence of platinum catalyst produces nitrogen oxide. Conversion of NH3 to NO is about __________ percent.
[A].38 [B].
68 [C].
82 [D].
98 Answer: Option D
Explanation:
No answer description available for this question.
For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other on volume basis (i.e., kcal/Nm3) while the C.V. is same on weight basis (i.e., kcal/kg) ?
For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other on volume basis (i.e., kcal/Nm3) while the C.V. is same on weight basis (i.e., kcal/kg) ?A. Propane and acetylene
B. Propane and LPG
C. Sewage gas and gobar gas
D. B.F gas and coke oven gasPipelines carrying various utilities in chemical industries are identified by their colour codes. The color of pipeline carrying steam is__________________?
Pipelines carrying various utilities in chemical industries are identified by their colour codes. The color of pipeline carrying steam is__________________?A. Black
B. Silver grey
C. Green
D. YellowPasteurisation of milk means
Question: Pasteurisation of milk means
[A].removal of fatty and albuminous substance from it. [B].
killing of organisms present in it by heating it at controlled temperature without changing its natural characteristics. [C].
inhibiting the growth of micro-organisms without killing them. [D].
none of these. Answer: Option B
Explanation:
No answer description available for this question.