QA/QC engineer basic Interview questions


#1

What is QA/QC?

Answer:

QA - Quality assurance
QC - Quality control

This QA/QC is intended to determine the sequence of requirements for material quality, work, inspection and recording.

What are the basic required documents for a QA/QC personal?

Answer:

ITP: To conduct the quality check

QCP: Quality Control Procedure

WP: Work Procedure

P&ID: Piping & Instrument Diagram, as a reference.

MTC: To ensure that the material complies the PES standard specs.

PP: To ensure that the tools are installed in accordance with PID & PP as appropriate

IDS/ISS: To ensure that the instrument comply with basic requirements.

RFI: Request For Inspection.

QR: Quality record

QCO: To issue a warning in case of little violation and observation

NCR: To issue a warning in case of serious violation of the standard.

Calibration report: To ensure parameters are function checked as per IDS.

Hookup: To ensure remote connections are done correctly.

Wiring diagram: To ensure the wiring is done correctly.

What is NCR?

Answer:

NCR is Non-Compliance Report or Non-Conformance report. A QA/QC personal can warn the contractor if they don’t comply or violate the standard procedure.

What are the general Work Procedure (WP)?

Answer:

Work Procedure steps:

  • Collect drawing & document

  • Reproduction of the drawing

  • Issue of drawing site

  • New-issuing new revision

  • Shredding of drawing

  • Redlining drawing

  • Transmittal of red lines of the client.

  • Restricted access to the DCO

  • Record

What is Redlining?

Answer:

Drawing will be Redlined if some changes occur from the approved standards while the project is being constructed. Colour coding used:

Red: If addition required in the drawing

Green: If deletion is required from the drawing

Blue: If any comment is added.

What are different kinds of certifications?

Answer:

  • Wheather proof

  • Dustproof

  • Water tight

  • Explosion proof

  • Flame proof

  • Intrinsic safety proof

What are the difference between Inspection, witness & Hold point?

Answer:

Inspection: Work can be done without clients inspection.

Witness: It can be inspected on the completion of work without client inspection.

Hold point: Work can’t be executed further without client inspection

What is ISO?

Answer:

ISO means International Standard Organisation, some of their standards are ISO 9000 QMS, ISO 14001, etc.,

What is loop check?

Answer:

Loop check is an operational check of a control loop. Intended to find out the deficiencies in control loop/ field interface/ HMI.

What are standard heights to install the instruments?

Answer:

A standard height to install instruments is 1 - 4 meters, it can be changed according to the site convenience.