Sample rates of nitrogen meter can be adjusted by doing which of the following?
A. By modifying the amplifier
B. With the help of the needle valve
C. By modifying the detector
D. By changing chopper frequency
Answer:B
Sample rates of nitrogen meter can be adjusted by doing which of the following?
A. By modifying the amplifier B. With the help of the needle valve C. By modifying the detector D. By changing chopper frequency
Explanation: Sample rates of nitrogen meter can be adjusted with the help of needle valve. Modern nitrogen analyzers have digital displays.