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if my 6 kva UPS gives 20 min. backup at 100 % load, then at
25% load what is the backup time?
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Answer Posted / kyle condran
7 years 8 weeks and 2 minutes
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sir,would you please send me the Hindustan petroleum corporation limited papers(HPCL).my e-mail ID is ujjwal_sharma1983@yahoo.com
Calibration procedure for Electro magnetic Flow meter
HOW TO SOLVE PROBLEM WITH ENRAF LEVEL TRANSMITTER 854 ATG THAT PASSWARD DO NOT Exist INTO TRANSMITTER TO ADJUST LEVEL WITH PORTABLE PET 847, WRITTEN WRONG PASSWORD , I AM SURE THAT DEFAULT PASSWARD (W2=ENRAF2) IS THIS TRANSMITTER NEED TO REPLACE SOFTWARE AND HOW?
what are the steps I have to deal with?
how u calibrate sox nox co2 co in cemps?what is opacity n HPm?tell the standard parameters of cems?
what is the difference between Cv and air consumption? why the customer needs Air consumption details?
what is installation and commissioning of (fat & sat) of power plant dcs ? this question keeps in desirable conditions of one company .
how can we tune a PID. If it is by zeiger nichols method..please explain briefly with help of an example.
hiii.... can any one provide me previous years question paper of hindustan petroleum for instrumentation engineering???
what is use of communication wire in multipare cable(oil and gas field), why this communication wire not used in single pair cable?
how to turbine speed measurement?
A flange is used for instrument connection for a system with a design temperature of 316C (600F) and a design pressure of 1000 kPa (145 psi). What is the class rating of the flange to be used for this application? Explain your answer
How we can check the 2 wire proxy switch? & how it is connected to DI MODULE OF PLC?
Calculate the maximum pressure drop that can be allowed to occur across a control valve, so that we can prevent cavitation / flashing from occurring. Use the following formula: Δ P allow = Km (P1 – PvapourA) where, Δ P allow - the maximum allowable differential pressure for sizing purposes, or terminal pressure drop; Km- the valve recovery coefficient from the manufacturer’s catalogue; P1 - absolute inlet fluid pressure; PvapourA - absolute fluid vapour pressure at the inlet temperature; Use Atmospheric pressure = 101.3 kPa, P1 = 1200 kPa(g), PvapourA = 4 kPa, KM = 0.72
tell me the field & lab calibration procedure step by step with diagram of pressure gauge, pressure switch, pressure transmitter, temperature switch, level switch, flow switch, flow transmitter, temperature transmitter, temperature indicator, flow indicator, level indicator, control valve, thermocouple, pressure indicator (digital & analogue),
