Chalcopyrite is the main ore of
Question: Chalcopyrite is the main ore of
[A].
copper
lead
tin
iron
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
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Entropy of the system decreases, when
Question: Entropy of the system decreases, when
[A].snow melts into water. [B].
a gas expands spontaneously from high pressure to low pressure. [C].
water is converted into ice. [D].
both (b) & (c). Answer: Option D
Explanation:
No answer description available for this question.
Area under the stress-strain curve upto the __________ is referred to as the modulus of resilience.
Question: Area under the stress-strain curve upto the __________ is referred to as the modulus of resilience.
[A].yield strength [B].
elastic limit [C].
proportional limit [D].
maximum point Answer: Option C
Explanation:
No answer description available for this question.
While the first commercial low temperature coal carbonisation plant is located at Neyveli (in Chennai), the second such plant has been built at
Question: While the first commercial low temperature coal carbonisation plant is located at Neyveli (in Chennai), the second such plant has been built at
[A].Dankuni (West Bengal) [B].
Dhanbad [C].
Singreni (AP.) [D].
Raniganj Answer: Option A
Explanation:
No answer description available for this question.
Na2CO3 is called _________________?
Na2CO3 is called _________________?A. Washing soda
B. Soda ash
C. Plaster of Paris
D. CalciteL.D. converter gas (produced in steel plant) comprises mainly of
Question: L.D. converter gas (produced in steel plant) comprises mainly of
[A].CO (upto 65%) & CO2 [B].
CO2 & H2 [C].
CO & O2 [D].
CO2 & O2 Answer: Option A
Explanation:
No answer description available for this question.
Fouling factor
Question: Fouling factor
[A].is a dimensionless quantity. [B].
does not provide a safety factor for design. [C].
accounts for additional resistances to heat flow. [D].
none of these. Answer: Option C
Explanation:
No answer description available for this question.