Capacity & power requirement for an air compressor working at high altitude compared to sea-level will be

Question: A catalyst promoter
[A].

improves the activity of a catalyst.

[B].

acts as a catalyst support.

[C].

itself has very high activity.

[D].

all (a), (b) and (c).

Answer: Option A

Explanation:

No answer description available for this question.

Question: Signal normally used to study non-ideal flow by stimulus response technique is __________ input.
[A].

pulse

[B].

step

[C].

both (a) & (b)

[D].

neither (a) nor (b).

Answer: Option C

Explanation:

No answer description available for this question.