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Qatar Gas Interview Questions
Questions Answers Views Company eMail

Residual voltage & residual current used in which protection?

5 11579

what is flow and flowrate? definate and diffrentiate it? pls post a valid ans thanks in advance

2 7296

diffuser increases pressure but in turbine pressure is decreasing when steam passing through casing?

5 8081

Why CT's shall not be kept open?

5 7287

why cant we use mV instead of mA?

12 20262

Why Diffrential and Ref relays are used together although Diffrential relay can protect Pri and Sec of Transformer

1 3557

why it is mentioned as 8/10 mva transformer why not directly 8mva or 10mva transformer. please explain me the full detailed reason.

4 7818

1.In which princeple DP transmeter works? 2.Why UPS system is use for DCS? 3.How drum lvel controller works? 4.What is the difference between glob valve and gate valve? 5.How axial shift probe work & in which princeple it works?

1 7534

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Un-Answered Questions

how can maintain the power factor and why and this is how do work tell us

1551


How to make a port to a dedicated port through dll registration in a windows system

1506


what are your blind spots?

633


1) There is a circular pizza with negligible thickness that is cut into 'x' pieces by 4 straight line cuts. What is the maximum and minimum value of 'x' respectively 2)A ship leaves on a long voyage. When it is 18 miles from the shore, a seaplane, whose speed is 10 times that of the ship is sent to deliver mail. How far from the shore does the seaplane catch upon with the ship? 3) If the distance traveled (s) in time (t) by a particle is given by the formula s = 1+ 2t+3t2+4t3, then what is the distance traveled in the 4th second of its motion? 4)3 men finish painting a wall in 8 days. Four boys do the same job in 7 days. In how many days will 2 men and 2 boys working together paint two such walls of the same size?

3211


Write the formula to calculate r-square?

117






Why doesnt the call scanf work?

665


How to control motor gearbox speed and friquency? If length of cable and dia given, how to measure the voltage drop?

1577


What is a unique key?

586


how can we save enegry by using VFD for Resiprocating Air compressor which is having more unloading running hours

1789


How to include text values in sql statements?

588


importance of reactive power management

1584


Explain the Reducer's reduce phase?

701


How to make scroll bars with the help of css?

275


What is your idea about page rank and how it’s calculated?

440


How to unlock objects in transport organizer?

31