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Engineering Interview Questions
Questions Answers Views Company eMail

I have installed a RTD whose length is 2250mm(RTD stem length), but it's upper 200 -250mm is out of the reactor, and this upper 200mm stem is surrounded by atmospheric temp. And the lower portion i.e. 2000mm is in contact with the measuring fluid, then does the final measuring temp. Gonna change as the upper 200mm RTD stem is out of reactor?

Process Control Technologies,

1 2792

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

Process Control Technologies,

1 2198

In a ball valve which require 24v dc supply to operate, whose solenoid valve doesn't have any + or - indication, how can we make wiring connectionto solenoid valve?

Process Control Technologies,

1 4385

What is the difference between conductive lined pipe and conductive unlined pipe? Why do we see that?

Process Control Technologies,

1 3233

Why does a pressure gauge installed on reactor, doesn't have any vent line below to release the pressure? Is it any kind of designing mistake or it actually does not require any vent line? And if it does not require any vent line below it then how we are gonna release the pressure built inside the pressure gauge?

Process Control Technologies,

1 2220

Is it ok, to use non-contact type Radar type LT, on a tank that is half circular from the bottom side? If yes the, isn't the waves gonna bent in other directions? 

Process Control Technologies,

1 2231

What is shielding effect?

Process Control Technologies,

1 2305

What is heating effect?

Process Control Technologies,

1 2419

Why is the length of cable layyed from RTD to temp. Transmitter should be minimum? Why does heating effect takes place in their?

Process Control Technologies,

1 6377

Why do we use triad cable for RTD to Temp.transmitter connection? Why we don't use 3 core cable?

Process Control Technologies,

1 15142

What are continuances of connecting earthing and shield of branch cables (instrument to Junction box), at the same earthing pot provided on JB? Is it ok, or may produce some problem? 

Process Control Technologies,

1 2544

Why do we have earthing cable in branch cable and shield in the same cable?

Process Control Technologies,

1 2668

Why 1-5 vdc a standard?

Process Control Technologies,

1 7930

Hello Friends do you know this answer of this Question? Which color you would use when there is Somthing not correct or need to change In P&ID? i mean color that use for highlight that need to update in P&ID. Yellow Highlighter ? Red color ? Blue Color ? Appreciate for your answer. Thanks Blue Color

2 6109

10 sq m ,25mm thickness 1:2:4 cement and concrete floor how much cement required?       2 , if truck has a capcacity of 8 ton then how many bricks we can put on it ?

1 8383


Un-Answered Questions { Engineering }

how to find out the name of the users who are currently working starting with the same characters in unix os

1902


What is the pro & con of having 11kv & 33kv incoming, and what is the adv & disadv. of converting from 11kv to 33kv.

2893


Why should be the frequency 50 hz 60hz only why not others like 45, 95 56 or anything , why should we maintain the frequency constant if so why it is only 50 hz 60hz?

1228


What is critical disruptive voltage?

1382


What is the maximum recommended velocity for steam in a plant pipe network?

1300


What is operation time?

1068


WHY MOSTLY Rph IS USED FOR CONTROL CIRCUITS AUX. SUPPLY ?

2575


Explain marx circuit.

1405


How to know vacuum in vacuum cylinder of breaker in working condition

2015


How do you approach troubleshooting and resolving technical issues that arise during the testing or operational phase of an aircraft?

889


How does a boat measure speed?

1218


For Granite Flooring,For Cement Slurry purpose which one is effective of cost control whether OPC or PPC or White cement?

2033


As per api 650 code for new ss tank fabrication,in bottom plate bulge is acceptable? How many bulge acceptable for api 650?

2753


in basic 2 phase will short means tripping the power but spot welding 2 phase shorting but not tripping it will welded why.....(Q)

2024


what is over ball dimmention? why it is required? what is used in machining?

2492