The substance used to compare the specific gravity of gases is: A) Helium. B) Nitrogen. C) Air. ...

Author Question: The substance used to compare the specific gravity of gases is: A) Helium. B) Nitrogen. C) Air. ... (Read 39 times)

Jipu 123

Hero Member
Posts: 569

on: Jul 24, 2018

The substance used to compare the specific gravity of gases is:

A) Helium. B) Nitrogen. C) Air. D) Oxygen.

Question 2

Before assembling a PD meter, technicians should make sure they study manual schematics and ________ closely.

A) tracings B) blueprints C) line drawings D) P&I charts

bimper21

Sr. Member
Posts: 309

Reply #1 on: Jul 24, 2018

Answer to Question 1

C

Answer to Question 2

C

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