How does a single acting, spring return ball valve actually work? Does it require continuous air supply? 


No Answer is Posted For this Question
Be the First to Post Answer

Post New Answer

More Instrumentation Interview Questions

i have an interview in Qatar Petroleum. So please provide the all details abt fire & gas systems

1 Answers   Qatar Petroleums,


What is the relationship between Sensor

6 Answers  


I have a close vessel tank which is under vaccum when in running condition so pl. Provide it's range for dp type tx whose flange to flange distance is 440 mm and density is 1

1 Answers  


uses of profibus?

1 Answers  


What is the use of temprature compensation?

0 Answers  






What is the role of Integral in pid control?

6 Answers  


what is hall effect?where it is use in power plant?

2 Answers  


why twisted pair of wires is used in instrumentation ?

6 Answers   ONGC,


In dissolution apparatus how did you calibrate the distance from end of paddle to bottom of the bowl?

1 Answers   Reddy Labs,


what is the reason while warning lamp is on while the engine is cranking?

0 Answers   Jindal,


why gray colour is choosing to all instrument panel.why not choosing other colour?

1 Answers   Reliance,


What is the procedure of calibration of Load cell?

0 Answers  


Categories
  • Civil Engineering Interview Questions Civil Engineering (5085)
  • Mechanical Engineering Interview Questions Mechanical Engineering (4452)
  • Electrical Engineering Interview Questions Electrical Engineering (16632)
  • Electronics Communications Interview Questions Electronics Communications (3918)
  • Chemical Engineering Interview Questions Chemical Engineering (1095)
  • Aeronautical Engineering Interview Questions Aeronautical Engineering (239)
  • Bio Engineering Interview Questions Bio Engineering (96)
  • Metallurgy Interview Questions Metallurgy (361)
  • Industrial Engineering Interview Questions Industrial Engineering (259)
  • Instrumentation Interview Questions Instrumentation (3014)
  • Automobile Engineering Interview Questions Automobile Engineering (332)
  • Mechatronics Engineering Interview Questions Mechatronics Engineering (97)
  • Marine Engineering Interview Questions Marine Engineering (124)
  • Power Plant Engineering Interview Questions Power Plant Engineering (172)
  • Textile Engineering Interview Questions Textile Engineering (575)
  • Production Engineering Interview Questions Production Engineering (25)
  • Satellite Systems Engineering Interview Questions Satellite Systems Engineering (106)
  • Engineering AllOther Interview Questions Engineering AllOther (1379)