State 5 different method of level measurements.

3 Answers   SRACO,

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What is difference between loop and zone ?

5 Answers   Adgas, Bilt,

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Exapain Deatails of the PID controlller

4 Answers  

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control valve in manual/auto mode huntting checked spring tention also it is ok.positioner also good condition & incoming inst air line also constant pr.kindly give us correct answer?

5 Answers   Madhu Power,

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how works encoder in plc

0 Answers  

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What is the purpose of the analyzer in petrochemical plant?

0 Answers   ENI, Lakshmi Machine Works,

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What is cavitation. what is the effect of it on control valve and how is it prevented.

1 Answers   ADMA OPCO,

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-200mmwc to 500mmwc range transmitter have there 4mA is -200 and 20mA is 500.what is the range in 12mA?

5 Answers   NCC,

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Differentiate between ultrasonic flowmeter and radar type flow meter

0 Answers  

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what is mean by loop checking?

8 Answers  

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what are the types of a thermocouple

2 Answers  

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Lux meter is the measuring device to measure the lux level of lighting fixture. in industrial sector two types of lighting fixture is being used as street lighting purpose 1. HPSV (Sodium) and 2. HPMV (Mercury). HPMV having white light which is an combination of red, blue and yellow colour, while HPSV haivng Yellow lighting. in HPSV red & blue colour will be absent. during measurement of the lux level of HPSV and HPMV fixture. 1. Lux meter can measure the actual lux level of both fixture? 2. or it will show false reading for HPSV fixture light as it has only yellow light present. please give me answer

0 Answers   Ace Info,

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