Silicon percentage in silicon steel used for electrical equipments is about______________?
Silicon percentage in silicon steel used for electrical equipments is about______________?
A. 1
B. 4.0
C. 8
D. 14
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If air (a non-condensing gas) is present in a condensing vapor stream, it will __________ the condensation rate of vapor.
Question: If air (a non-condensing gas) is present in a condensing vapor stream, it will __________ the condensation rate of vapor.
[A].increase [B].
decrease [C].
not affect [D].
increase the condensing film co-efficient as well as Answer: Option B
Explanation:
No answer description available for this question.
In troposphere (the weather domain), the temperature ‘t’ at height ‘h’ above the spa level in metres is given by (where, temperature at sea level is 15°C and t is in °C.)
Question: In troposphere (the weather domain), the temperature ‘t’ at height ‘h’ above the spa level in metres is given by (where, temperature at sea level is 15°C and t is in °C.)
[A].t = 15 – 0.0065h [B].
t = 15 + 0.0065h [C].
t = 0.0035h -15 [D].
t = 15 – 0.0035h Answer: Option A
Explanation:
No answer description available for this question.
When a gas in a vessel expands, its internal energy decreases. The process involved is________________?
When a gas in a vessel expands, its internal energy decreases. The process involved is________________?A. Reversible
B. Irreversible
C. Isothermal
D. AdiabaticHeat waves
Question: Heat waves
[A].can not pass through vacuum. [B].
travel in straight line. [C].
can be reflected by a mirror. [D].
both (b) and (c). Answer: Option D
Explanation:
No answer description available for this question.
Main component of sewage gas produced during aneorobic decomposition of organic waste (by suitable bacteria) during sewage disposal is
Question: Main component of sewage gas produced during aneorobic decomposition of organic waste (by suitable bacteria) during sewage disposal is
[A].H2 [B].
CH4 [C].
CO2 [D].
N2 Answer: Option B
Explanation:
No answer description available for this question.
__________ is used as a flux in the smelting of copper ore like chalcopyrite.
Question: __________ is used as a flux in the smelting of copper ore like chalcopyrite.
[A].Coke breeze [B].
Lime powder [C].
Silica/quartz [D].
Dolomite Answer: Option C
Explanation:
No answer description available for this question.