The wire is disconnected from the fuel gauge sending unit
(bimetallic gauge). A voltmeter connected to the wire reads
a pulsating 5v. What does this indicate?
Answers were Sorted based on User's Feedback
Answer / gagandeep garg
While transmitting the signal the concept of active and
live zero is used.Generally 1V to 5V is standerd signal
range.voltmeter will read 1v when input to the system is
minimum (active zero)and voltmeter will read 0V when wire
is disconnected.Hence troubleshouting becomes easy.
Is This Answer Correct ? | 5 Yes | 0 No |
Answer / rawjaw
Hello ogagandeep.. Can we
say that it indicates ckt open?
Is This Answer Correct ? | 0 Yes | 1 No |
what is function of SCADA , and how is it work, explain with difination
0 Answers Bapco Bahrain Petroleum Company,
In oil & gas industries and petrochemical industries, there are classification of zones like zone 0, zone 1, zone 2. Is there any differences in voltages or power supply supplied for the process instruments, control instruments depending on the zones
what is the difference between SCADA and DCS?
what is mean by live zero and dead zero
Good evening all I need a small favour regarding reliance paper i wanna probable sample papers(e&i) of reliance. if any of u have any idea about dis then plz mail me back.i belongs to electronics and instrumentation engg.so i need e&i papers. thanking u....
How will you test a transistor with a multimeter?
What is safety barrier and how it is work
what is meaning of static pressure
what is the way of measuring air flow in air duct?explaim instruments used and DP creation in line?
1. How many output signals do wew have in process control? 2. Could you write down the names of the pre-commissioning and commissioning stage test instruments and explain them (more than 5 items)? 3. What is the first step to commission a transmitter on service? 4. What is RTD? 5. Find the output value in MA of a temperature transmitter (RTD Type) at 120degree celius? 6. What is the O/P signal of a pneumatic transmitter? 7. What is the O/P signal of an elctronic transmitter? 8. What is the close loop and open loon?
which instrument is most commonly used to observe the external features of a grasshopper's abdomen?
I WANT TO KNOW SOME BASIC CONCEPTS RELATED TO INSTRUMENTATION