Answer Posted / earnest
To improve p.f. thereby reducing reactive power.
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
why we use cascade control and feed foreword control in 3 element control of boiler drum ?what is feed forward and cascade control system ?
in valve is constructed as per SME B 16.34, then which standard is used for fire testing of valve?.
Specify ideal accuracy of flow element like orifice plate, Ventury, Annubar. Ultrasonic flow meter etc.
What is zero elevation and zero suppression?
Difference between 2-Valve Manifolds, 3-Valve Manifolds and 5-Valve Manifolds 3 with diagram
3. Differentiate between ultrasonic flowmeter and radar type flow meter.
What is three element drum level control system why its better than single element?
installation process of orifice,a question asked for confusion creation in interview by BARC 1.if orifice is tightly fitted with pipe ,it will act like venturi 2.if orifice is left hanging in between liquid it will not create the pressure difference exactly,
can you send remote seal interface level transmitter calculation steps for oil water saperator.
Why do we floating DC in DC system.
In VVVF DRIVES VOLTAGE IS ALSO VARY WITH THE FREQUENCY. HOW? WHAT IS THE DIRECT FORMULA RELATING THESE TWO.
What is PDS and PDMS ?
where proximity sensor installed on tank in loading arm application
What is Cavitation in a control valve?
(1) In turbine, what does term CDP, NI, NH, HSSOC, means. (2) What is the purpose of LO overhead tank in turbines.(3) An equipment is certified for EEX, IA, IIC,T6, what do you under stand by this.(4) what is SURGE, and how it is prevented, what is the purpose of bypass valve across AS valve.(5) Give 2 application of quartz crystal used for process parameter measurement.(6) what is meant by cold float of compressor shaft. (7) state four different types of flow measurement. For gas flow measurement mmscfd is the common unit. Expand the unit and specify significance of word S in the unit.(8) what is meant by Gap voltage, in vibration measurement. Normally how much Gap voltage is set and state the reason.(9) what will the new flow factor if D/P transmitter is Re-Ranged from 25” wc to 50” wc.(10) what is the usage of QDV & Volume booster.