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General Fitter Interview Question Answer

General Fitter is responsible for all the maintenance regarding works in Refinery. So basically General Fitter , Mechanical Fitter and Mechanical Technician all the three category having almost same job profile so during client interview same questions will be asked in all the three category.

In this video we have explained all the question answer which is being asked during client interviews so without skipping go through the full article and come to know about all the question answer for sure selection in any gulf countries for all these three General Fitter, Mechanical Fitter and Mechanical Technician trades.

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Watch full video here 

PDF link of General Fitter Question Answer Given Below, You Can Download There.

Questions Related To Safety:

1. What is the expansion of PPE ?

Ans: Personnel protective equipment.

2. List out the PPE’s ?

Ans: Safety shoes, coverall or Boiler Suite, safety goggles, helmet, ear plug and hand gloves.

Watch Video of PPE

3. What is the Expansion of HSE ?

Ans: Health Safety and Environment.

 

4. What is the expansion of SCBA ?

Ans: Self-contained berating apparatus.

5. Who can enter in to the  vessel, tower, heaters or tanks ?

Ans: Valid & authorized confined space entry holder.

 

6. Who can work as attendant for confined space entry?

Ans: Valid & Authorized confined space entry holder.

 

7. What is the meaning of housekeeping?

Ans: To remove unwanted materials from plant operating area.

 

8. When  you will use safety belt or safety harness ?

Ans: Working at height.

9. What is  the main thing required to start the job?

Ans: Permit and SMT instruction.

10. In case of any HC leak or fire what will be your first action?

Ans: Inform to SMT ( Supervisor of Maintenance ) immediately.

 

11.   What  are the things need to be checked before working on scaffold?

 Ans: Green tag & Expiry date.

 

                                  

Questions Related To Equipment:

 

 

 1. List out the equipment on which you have worked ?

Ans: Heat exchanger, vessels, Distillation towers, Tanks, Heaters or Furnace, filters and Fin fan coolers, Cooling Towers, Reactors

Watch Video of Static Equipment

 2. List out  any two type of pipe fitting?

 Ans: Flange, elbow, nipple, coupling ,Tee , reducer.

Watch video of pipe fittings

 3. List out any two type of valves?

 Ans: Gate valve, Globe valve, Butterfly valve, plug valve, ball valve and needle valve, Non Return Valve, Control Valve

Watch video related to Valves

4. In which equipment trays were fitted?

 Ans: Distillation Tower ( Column )

Distillation Column

5. List out at least two type of trays used in towers?

Ans: Valve trays, bubble cap, Chimney tray and sieve trays.

Watch Video about Distillation Column

6. In which equipment demister pad is fitted?

 Ans: Vessels and Towers.

7. List out any two type of flange joint gasket?

 Ans:  Spiral wound metallic gasket, Graphite gasket Teflon, Rubber gasket and RTJ- Ring Type Joint  gasket ( Oval or Octagonal)

Gasket

Watch Video of Gasket

8. What is  the expansion of DP?

 Ans: Dia penetrate test

9. Which liquid  is being used for hydro test?

 Ans: Water

Learn more about Hydro-Test

10. Which gas is being used for pneumatic test?

 Ans: Nitrogen

11. What is the expansion of NRV?

 Ans: Non-Return Valve

Non-Return Valve

12. What is the expansion  of PSV and PRV?

 Ans: PSV- Pressure safety valve & PRV- Pressure Relief Valve

PSV and PRV

Difference between PSV and PRV

13. List out the fastener types?

Ans: Bolt & Nuts, Stud bolts and Allen head bolts

14. List out  any two  type of blinds?

Ans: Spade blind, End blind and Modified blind.

Watch Video What is Blinding

15. List out any two type of Pipe materials?

Ans: Carbon Steel, Alloy Steel and Stainless Steel.

 

 

 

 

                                

Questions Related To Tools / Units :

 

 

 

1. List out the two common type of tools?

Answer: Open end spanner, Ring spanner, Combination spanner, sledging spanner (Hammering spanner) and pipe wrench, Adjustable spanner and screw driver.

Tools used in Refinery

Tools Used in Refinery

2. List out the measuring tools?

Ans: Scale, Measuring tape, sprit leveler , Vernier caliper and Micrometer.

3. What  type of hammer material  should  be used in refinery?

Ans:  Brass

4. What type of Buffing wheel material should be used in Refinery?

 Answer: Brass

Buffing Wheel

5. Why we use pressure gauge?

Ans: To know the pressure

Pressure Gauge

6. What is the unit of pressure?

Ans: Pounds per square inch (PSIG) or KG/ SQ.CM

7. What is impact wrench?

Ans: Used for tightening and loosening of bolt’s nut.

Impact Wrench

8. Impact wrench operated by which gas?

Ans: Driven by air

9. Which equipment is  required for ventilation of vessel and towers?

Ans: Exhaust fan or Ejector

Venturi Eductor

Exhaust Fan

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[ TOP ] +25 MECHANICAL FITTER INTERVIEW QUESTIONS ANSWERS | FITTER INTERVIEW QUESTIONS ANSWERS IN HINDI AND ENGLISH

[ TOP ] +25  MECHANICAL FITTER INTERVIEW QUESTIONS ANSWERS

[ TOP ] +25  MECHANICAL FITTER INTERVIEW QUESTIONS ANSWERS

 Last me niche PDF diya gya h jha se aap download kar sakte hai

This post deals with the top +25 most important questions answers being asked in the interview of general fitter, mechanical fitter and mechanical technician. we would suggest you to go through the full post for easily understand all the question answer. TOP +25 MECHANICAL FITTER INTERVIEW QUESTIONS ANSWERS | FITTER INTERVIEW QUESTIONS ANSWERS IN HINDI

[ TOP ] +25  MECHANICAL FITTER INTERVIEW QUESTIONS ANSWERS

Let's Start,

Q-1) How many mm in one inch ?

Ans- There are 25.4 mm in 1 inch.

Q-2) What is the full form of P P E ? 

Ans- Full form of P P E is Personal Protective Equipment.

Q-3) Mention at least 5 nos of PPE ?

Ans- a) Coverall or Boiler suite 

b) Safety Helmet

c) Safety shoe

d) Safety goggle

e) Ear plug

Other PPE's are Hand Gloves, Safety Harness, Nose mask or Dust mask, H2S Gas monitor, Face Shield. 

Q-4) Mention 5 different types of valves ?

Ans-  A) Gate Valve

B) Globe valve

C) Butter fly valve

D) Ball valve

E) Check valve or NRV i.e Non-Return Valve.

Q-5) Mention Different types of heat exchanger?

Ans- A) Fixed bundle type

B) Floating head type

C) U- Tube Bundle type

D) Plate type

E) Double pipe type

F) Fin-fan type

Q-6) Mention Different Types of Gasket ?

Ans- A) CAF ( Compressed Asbestos Gasket )

b) Spiral wound metallic gasket

c) RTJ ( Ring Type Joint ) Gasket

d) PTFE (Polytetrafluoroethylene) Teflon

e) Metal Jacketed Gasket

f) Graphite Gasket 

Q-7) For cold work operation what types of tools will use in hazards area ?

Ans- Non- Sparkable tools.

Q-8) What is the difference between machine bolt and stud bolt ?

Ans- Machine Bolt has a head on one side and nut on other side but a stud Bolt has nut on both side.

Q-9) What is the Thumb Rule to calculate the spanner size for a given Bolt? 

Ans- 1.5 X Diameter of bolt.

Q-10) What is the use of a pipe wrench ?

Ans- So to tight and loose threaded pipe fittings we use pipe wrench.

Q-11) Which gasket will use ina acid line?

Ans- Rubber gasket or PTFE Gaskets are used in a acid line.

Q-12) Which gasket will use in high temperature line ?

Ans- Graphite gaskets are used in high temperature line.

Q-13) What are the function of valves ?

Ans- So answer is Valves are used for Isolation, Regulation and for special purpose.

Q-14) what are the different types of flanges ?

Ans- A) WNRF i.e, weld neck raised face flange

B) Slip-on flange

C) Socket weld flange

D) Threaded flange

E) Lap-joint flange

F) Blind flange

G) Reducing flange 

Q-15) Five main parts of gate valve ?

Ans- A) Body

B) Bonnet

C) Stem

D) Hand wheel

E) Gland and gland packing

Q-16) What are the different ratings of flange in normal use ?

Ans- 150 # ( # read as a Pound so 150# read as 150 pound )

300# 

600# 

900# 

1500# 

2500# 

Q-17) What is the purpose of blinding ?

Ans- Blinding is used for Positive Isolation.

Q-18) What is a spectacle blind ?

Ans- Spectacle blind is a combination of spacer and spade.

Q-19) For a vessel hydro-test where will we provide vent ?

Ans- On the top side of vessel.

Q-20) How we calculate hydro-test pressure ?

Ans- Design pressure  X 1.5 times

Q-21) How we work at higher elevation ?

Ans- By the help of scaffolding with green tag.

Q-22) What are the steps for removing a valve from a live line ?

A) De-pressurize the line then

B) Isolation to be done then

C) Draining should be done after that

D) Blinding to be done and finally

E) Removal of valve should be done by using proper tools.

Q-23) For hot work in a pipe line what type of isolation is required ?

Ans- we use positive isolation for hot work in a pipe line.

Q-24) How we remove a floating tube bundle from a float type heat exchanger ?

a) Inlet and outlet isolation and spading to be done then

b) Draining and steaming to be done then

c) Removal of both side channel head and floating head then finally

d) Removal of tube bundle by the help of bundle puller or chain block to be done.

Q-25)How many types of reducer used ?

Ans- there are two types of reducer used

a) Eccentric reducer and

b)Concentric reducer

   

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