In E&I diagram what is the meaning of rectangular box and circular box

3 Answers   L&T,

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what is the working principle of dis-placer type level transmitter

1 Answers   Sendan,

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In a class of 150 students, 40 passed in Social Studies, 90 passed in Science and 30 failed in both the subjects. vi)How many students passed in at most one subject among Science and Social Science?

7 Answers   CAT, CGI, Cipla, KHK, Visa,

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what is absolute pressure, gauge pressure and atmospheric pressure?

2 Answers   Mother Dairy,

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What should be the stanchan Height for installation of Smoke detector & toxic gas detector in field,according to qatar standard

2 Answers  

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we are having yokogawa centum cs3000 dcs in our power plant. i need some of the operator guides NOT to appear in HIS0163 AND HIS 0162 but it shoul appear in HIS0164 HOW TO DO IT?

0 Answers   Yokogawa,

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Gas equation

0 Answers   CCIE,

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what is the principal of coriolis mass flowmeter

1 Answers  

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why cant we use mV instead of mA?

12 Answers   ABB, Power Grid, Qatar Gas, USW, Visa Steel,

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How process line mpm calculation is done?

0 Answers  

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Give 2 application of quartz crystal used for process parameter measurement.

1 Answers   ADMA OPCO,

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How to connect another 24 volt dc power supply in circuit when previous power supply has become weak.what is the connection?

2 Answers   Bhole Baba Dairy Industries,

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