__________ catalyst is used in the production of urea from CO2 and NH3.

Question: Major loss in sudden contraction in pipe flow is due to
[A].

boundary friction.

[B].

flow contraction.

[C].

expansion of flow after sudden contraction.

[D].

none of these.

Answer: Option B

Explanation:

No answer description available for this question.

Question: With increase in temperature, the vapor pressure of liquids
[A].

increases

[B].

increases linearly

[C].

decreases

[D].

remains constant

Answer: Option A

Explanation:

No answer description available for this question.