Matte smelting is used in the extraction of
Question: Matte smelting is used in the extraction of
[A].
lead
zinc
aluminium
copper
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
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Heating of orthophosphoric acid to about 900°C, produces
Question: Heating of orthophosphoric acid to about 900°C, produces
[A].metaphosphoric acid [B].
pyrophosphoric acid [C].
no change in it [D].
none of these Answer: Option A
Explanation:
No answer description available for this question.
The capacity of a spring to store energy is called the spring form co-efficient. Stiffness of a spring is measured by the____________________?
The capacity of a spring to store energy is called the spring form co-efficient. Stiffness of a spring is measured by the____________________?A. Ability to absorb shock
B. Capacity to store energy
C. Ratio of the wire & coil diameters
D. Load to produce unit deflectionWhich of the following hardness tests does not measure the indentation hardness of metals and alloys ?
Which of the following hardness tests does not measure the indentation hardness of metals and alloys ?A. Vickers hardness test
B. Shore scleroscope test
C. Brinell hardness test
D. Rockwell hardness testLow temperature carbonisation of coal produces
Question: Low temperature carbonisation of coal produces
[A].metallurgical coke [B].
soft coke [C].
very low calorific value coke oven gas [D].
no by-products Answer: Option B
Explanation:
No answer description available for this question.
A chemical reaction is of zero order, when the reaction rate is (where, CA = concentration of reactant)
Question: A chemical reaction is of zero order, when the reaction rate is (where, CA = concentration of reactant)
[A].∝ CA. [B].
∝ 1/CA. [C].
independent of temperature. [D].
none of these. Answer: Option D
Explanation:
No answer description available for this question.
For an ideal fluid flow, Reynolds number is
Question: For an ideal fluid flow, Reynolds number is
[A].2100 [B].
100 [C].
0 [D].
∞ Answer: Option D
Explanation:
No answer description available for this question.