+1 vote
in Fluid Mechanics by (118k points)
What type of indicator device is used nowadays?

(a) Digital pressure indicator

(b) Mechanical indicator

(c) Electrical indicator

(d) Ionization Gauge

This question was addressed to me in an international level competition.

Question is from Ideal Indicator Diagram in portion Indicator Diagrams of Fluid Mechanics

1 Answer

+2 votes
by (362k points)
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Best answer
Correct option is (a) Digital pressure indicator

Easiest explanation: In earlier days, the indicator diagram was assessed with the help of mechanical indicator. But now, we use a digital pressure indicator. It has got a lot of advantages over the mechanical one. It has a compact hand-held unit with a computer display system.

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