Cast iron is a __________ material.
Question: Cast iron is a __________ material.
[A].
brittle
ductile
tough
malleable
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
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Constantan used in thermocouples is an alloy of___________________?
Constantan used in thermocouples is an alloy of___________________?A. Iron & copper
B. Copper & aluminium
C. Lead & tin
D. None of theseNickel made/clad equipments are suitable for handling________________?
Nickel made/clad equipments are suitable for handling________________?A. Ammonia (both aqueous & anhydrous)
B. Fruit juices, milk & its products and caustic soda solution
C. Nitric acid & hydrochloric acid (concentrated)
D. Sulphuric acid (concentrated)A change in state involving a decrease in entropy can be spontaneous, only if
Question: A change in state involving a decrease in entropy can be spontaneous, only if
[A].it is exothermic. [B].
it is isenthalpic. [C].
it takes place isothermally. [D].
it takes place at constant volume. Answer: Option A
Explanation:
No answer description available for this question.
__________ acid is an unsaturated fatty acid.
Question: __________ acid is an unsaturated fatty acid.
[A].Palmitic [B].
Oleic [C].
Stearic [D].
Oxalic Answer: Option B
Explanation:
No answer description available for this question.
Presence of nitrogen in steel___________________?
Presence of nitrogen in steel___________________?A. Makes it brittle
B. Increases its strength
C. Increases its hardness
D. Is desirableAt a given temperature, the volume of a gas dissolved in a solvent __________ with increase in pressure.
Question: At a given temperature, the volume of a gas dissolved in a solvent __________ with increase in pressure.
[A].increases [B].
decreases [C].
remains unchanged [D].
may increase or decrease; depends on the gas Answer: Option C
Explanation:
No answer description available for this question.