difference between vaccum and draft
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If a transmitter is installed 10 m below its tapping point how much pressure exerted if fluid is water?
what is compensation in engineering and what is temperature compensation?
What is the procedure of calibration of Load cell?
what does ip65 signify??what is its NEMA equivalent???
what is an ambient temperature?
Q- What are the application in which PNP transistor is preferred over NPN ?
What means zero and span in transmitter callibration.
how we can calibrate an Interface level transmitter online
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
what is gas metering system? gas chromatograph? and gas compressors?
What is capacity of impulse line tube ...answer in psi