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Valves are mechanical devices used to control the flow of fluids within a system. They can be classified into different types based on their design and function.
Gate valves: used to fully open or close the flow of fluid
Ball valves: have a spherical closure element to control flow
Check valves: allow flow in one direction only to prevent backflow
Butterfly valves: have a disc that rotates to control flow
Pressure relief va...
Defects in welding can compromise the integrity of the joint and lead to structural failures.
Common welding defects include porosity, lack of fusion, cracks, and undercutting.
Porosity is caused by gas entrapment during the welding process.
Lack of fusion occurs when the weld metal fails to fuse with the base metal.
Cracks can result from excessive stress or improper cooling of the weld.
Undercutting is a groove formation ...
The tolerance of UT test refers to the acceptable range of error in the test results.
Tolerance is typically specified in the testing standards or procedures.
It is important to ensure that the equipment used for UT testing is calibrated within the specified tolerance limits.
Deviation from the tolerance range may indicate a need for retesting or further investigation.
Examples of tolerance limits for UT testing may includ
WPS stands for Welding Procedure Specification and PQR stands for Procedure Qualification Record.
WPS is a document that provides detailed welding instructions and parameters for a specific welding job.
PQR is a record of the welding parameters used during the qualification of a welding procedure.
WPS and PQR are essential documents in the welding industry to ensure quality and consistency in welding processes.
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I applied via Recruitment Consulltant and was interviewed in Jun 2023. There were 4 interview rounds.
Installation of field testing & loop check ,function test, Construction supervision work related Instrument & control system.
ITP stands for Inspection and Test Plan, which outlines the activities, responsibilities, quality inspection criteria, acceptance criteria, and verification documents for inspections.
ITP stands for Inspection and Test Plan.
It includes sections such as Activity Description, Responsible person, Quality Inspection activity, Reference drawing and Specification, Acceptance criteria, Verifying document ITR, and Intervention ...
Intervention point refers to the locations where welding, stress relieving, annealing, machining, radiography, and hardness testing are performed during the inspection process.
W - Welding: Inspection of weld joints for defects and quality.
S - Stress Relieving: Checking for stress relief after welding to prevent cracking.
A - Annealing: Heat treatment process to soften material and improve machinability.
M - Machining: In...
posted on 15 Mar 2023
I applied via Referral and was interviewed before Mar 2022. There were 2 interview rounds.
posted on 27 Nov 2024
I applied via Company Website and was interviewed in Oct 2024. There were 2 interview rounds.
MCQ question Electrical & Reasoning
I was interviewed in Oct 2023.
Concrete cube mould tolerance refers to the acceptable range of dimensions for the mould used to cast concrete cubes for testing.
Concrete cube mould tolerance is typically around +/- 1mm for most standard moulds.
Tolerance may vary depending on the specific standards or specifications being followed.
It is important to ensure that the mould used meets the required tolerance to ensure accurate test results.
Examples of con...
The strength of first class bricks is typically around 10.5 N/mm^2 to 14 N/mm^2.
First class bricks are high-quality bricks used for construction.
They have a minimum crushing strength of 10.5 N/mm^2.
The maximum crushing strength of first class bricks is around 14 N/mm^2.
These bricks are uniform in shape and size, with sharp edges and smooth surfaces.
The maximum concrete pouring height depends on various factors such as the type of concrete, formwork design, and weather conditions.
Maximum concrete pouring height for normal concrete is typically around 1.5 to 2 meters.
For high-performance concrete, the maximum pouring height may be reduced to around 1 meter.
Factors such as formwork stability, concrete mix design, and weather conditions can affect the maximum pouring...
The ratio of M25 concrete is 1:1:2
The ratio of M25 concrete is 1 part cement, 1 part sand, and 2 parts aggregate
This ratio is commonly used in construction for medium strength concrete
For example, to make 1 cubic meter of M25 concrete, you would need 1/4 cubic meters of cement, 1/4 cubic meters of sand, and 1/2 cubic meters of aggregate
I was interviewed in Jul 2024.
posted on 31 Oct 2023
I applied via Naukri.com and was interviewed before Nov 2022. There were 2 interview rounds.
The gap required in fit-up of pipes depends on the welding process and material being used.
The gap for TIG welding is typically 1/16 to 1/8 inch.
For MIG welding, the gap can be slightly larger, around 3/32 to 1/8 inch.
The gap should be uniform along the entire length of the joint for proper welding.
The material being welded also influences the gap size, with thicker materials requiring larger gaps.
IQI stands for Image Quality Indicator, used in radiography testing to ensure the quality of the radiographic image.
IQI is a tool used to determine the quality of radiographic images by measuring the image quality parameters such as contrast, resolution, and sensitivity.
It consists of a series of patterns or objects with specific details that are placed on the radiographic film along with the test object.
The IQI is the...
I applied via Recruitment Consulltant and was interviewed in Jun 2023. There were 4 interview rounds.
Installation of field testing & loop check ,function test, Construction supervision work related Instrument & control system.
ITP stands for Inspection and Test Plan, which outlines the activities, responsibilities, quality inspection criteria, acceptance criteria, and verification documents for inspections.
ITP stands for Inspection and Test Plan.
It includes sections such as Activity Description, Responsible person, Quality Inspection activity, Reference drawing and Specification, Acceptance criteria, Verifying document ITR, and Intervention ...
Intervention point refers to the locations where welding, stress relieving, annealing, machining, radiography, and hardness testing are performed during the inspection process.
W - Welding: Inspection of weld joints for defects and quality.
S - Stress Relieving: Checking for stress relief after welding to prevent cracking.
A - Annealing: Heat treatment process to soften material and improve machinability.
M - Machining: In...
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