Answer / yuvaraj1989

To transfer a motion by utilizing the Electrical or fuel
energy. The actuators can be mechanical, pneumatic or
hydraulic.

Answer / rayudu

The purpose of actuator is to apply measured movement
corresponding to input.

Answer / linilbabu.ck

Actuator stem connected to the main diaphragm & connected
to the valve stem with connectedd to the valve body of the
plug and plug seater.Actuator is contolled by valve
positioner with pnumatic pressure applying and working.

What are the causes of boiler backfire and steps in how to prevent it from happening?

0 Answers  

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What type of pump is commonly used is feed water system in boiler?

2 Answers  

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distance between the power generation and the distribution to the application is fixed or vary

0 Answers  

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List some boiler accessories

5 Answers  

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What type of boiler does not need a steam drum ?

0 Answers  

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What is thermodynamics?

3 Answers  

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interview questions asked in BHEL posteded in website

1 Answers   BARC, Bhel,

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1: When mesuring the flow of liquid what are the two things to measure? 2: In which industrial process you will use centrifugal separator? 3: If any machinery or transmission needs periodic and regular lubrication what is the best method to give it? 4: Oil melts, grease melts. Is there any other lubrication which is effect at 200 deg c? 5: What is a torque converter? 6: Instead of having individual transmission what is the benefit of unified transmission? 7: What are the different types of mechanism to engage primary moving engine and transmission (in other words how many different types of clutches are there)? 8: In order to ensure constant pressure and constant flow rate of compressed air what should we put between the compressor and end user? 9: What can be the reasons for a metal gasket to leak? 10: The old welding machines used electromagnetic winding to step up the current for welding rods. What is the new principle inside the welding machines?

0 Answers   Petrotech,

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what is the use of feed water treatment in boiler?

2 Answers  

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What is a torque converter?

0 Answers   Focus,

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how control valve works? process line pressure is 50kg/cm2g and instrument air pressure is about 4 kg/cm2g.

0 Answers  

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Which technology is better for designing an STP system in a Commercial Mall. 1) SAFF (Submerged Aerobic Fixed Film) or 2) FAB (Fludized Aerobic Biological ) or 3) Some other.

0 Answers   BARC,

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