The most blister form of copper is__________?
The most blister form of copper is__________?A. refined copper
B. impure copper
C. processed copper
D. none of these
B. impure copper
C. processed copper
D. none of these
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Question: Kirchoff’s law is applicable to
[A].monochromatic radiation only [B].
total radiation only [C].
both (a) and (b) [D].
only volumes and not to surfaces Answer: Option C
Explanation:
No answer description available for this question.
Agitated film evaporator is suitable for concentrating __________ liquids.
Question: Agitated film evaporator is suitable for concentrating __________ liquids.
[A].foaming [B].
viscous [C].
very thin [D].
corrosive Answer: Option B
Explanation:
No answer description available for this question.
Dry air requirement for burning 1 Nm3 of CO to CO2 may be around __________ Nm3.
Question: Dry air requirement for burning 1 Nm3 of CO to CO2 may be around __________ Nm3.
[A].2.4 [B].
1.75 [C].
0.87 [D].
11.4 Answer: Option A
Explanation:
No answer description available for this question.
Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of portland cement. The component of Portland cement which first hardens is
Question: Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of portland cement. The component of Portland cement which first hardens is
[A].5CaO . 3 Al2O3 [B].
3CaO . Al2O3 [C].
3CaO . SiO2 [D].
2CaO . SiO2 Answer: Option A
Explanation:
No answer description available for this question.
The biochemical treatment applied to sewage effluents is a process of
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[A].dehydration [B].
reduction [C].
oxidation [D].
polymerisation Answer: Option C
Explanation:
No answer description available for this question.
For a fluid flowing in an annulus space, the wetted perimeter for heat transfer and pressure drop are
Question: For a fluid flowing in an annulus space, the wetted perimeter for heat transfer and pressure drop are
[A].same [B].
different [C].
never different [D].
linearly related Answer: Option B
Explanation:
No answer description available for this question.