27 FEED & EPC Engineering Workflow questions from the Process Design bank, written for Indian campus drives and tech interviews. Every question has a verified answer and an AI-tutor explanation on placd.
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A.proprietary equipment such as a compressor train or package boiler engineered by the supplier with interface documents and inspected against datasheet and ITP
B.front-end engineering design that freezes PFDs, P&IDs, plot plan, datasheets and design basis, producing a ±10–20% estimate for final investment decision
C.principle that engineering effort spent before FID has the highest cost influence; changes after design freeze go through MOC
D.earliest phase selecting process route, capacity and site with block flow diagrams and a ±30–50% cost estimate
Answer + AI explanation with Pro
2. Which term means: "earliest phase selecting process route, capacity and site with block flow diagrams and a ±30–50% cost estimate"?
Junior
A.Front-end loading
B.Conceptual design
C.HAZOP timing
D.30/60/90% model reviews
Answer + AI explanation with Pro
3. Which statement is correct?
Junior
A.Conceptual design — full HAZOP runs on frozen P&IDs at end of FEED or early detailed design, with a re-HAZOP or close-out of actions before commissioning
B.Conceptual design — post-award phase producing isometrics, the 3D model, vendor drawings, loop diagrams and construction packages
C.Conceptual design — earliest phase selecting process route, capacity and site with block flow diagrams and a ±30–50% cost estimate
D.Conceptual design — Class 5 (±30–50%, concept) through Class 1 (±5–10%, detailed design), ranked by the level of project definition
Answer + AI explanation with Pro
4. What is FEED?
Junior
A.full HAZOP runs on frozen P&IDs at end of FEED or early detailed design, with a re-HAZOP or close-out of actions before commissioning
B.principle that engineering effort spent before FID has the highest cost influence; changes after design freeze go through MOC
C.lump-sum EPC transfers cost and schedule risk to the contractor; EPCM keeps owner control and risk with reimbursable engineering and management
D.front-end engineering design that freezes PFDs, P&IDs, plot plan, datasheets and design basis, producing a ±10–20% estimate for final investment decision
Answer + AI explanation with Pro
5. Which term means: "front-end engineering design that freezes PFDs, P&IDs, plot plan, datasheets and design basis, producing a ±10–20% estimate for final investment decision"?
Junior
A.FEED
B.AACE cost estimate classes
C.30/60/90% model reviews
D.Front-end loading
Answer + AI explanation with Pro
6. Which statement is correct?
Junior
A.FEED — Class 5 (±30–50%, concept) through Class 1 (±5–10%, detailed design), ranked by the level of project definition
B.FEED — full HAZOP runs on frozen P&IDs at end of FEED or early detailed design, with a re-HAZOP or close-out of actions before commissioning
C.FEED — proprietary equipment such as a compressor train or package boiler engineered by the supplier with interface documents and inspected against datasheet and ITP
D.FEED — front-end engineering design that freezes PFDs, P&IDs, plot plan, datasheets and design basis, producing a ±10–20% estimate for final investment decision
Answer + AI explanation with Pro
7. What is Detailed engineering?
Junior
A.front-end engineering design that freezes PFDs, P&IDs, plot plan, datasheets and design basis, producing a ±10–20% estimate for final investment decision
B.proprietary equipment such as a compressor train or package boiler engineered by the supplier with interface documents and inspected against datasheet and ITP
C.post-award phase producing isometrics, the 3D model, vendor drawings, loop diagrams and construction packages
D.principle that engineering effort spent before FID has the highest cost influence; changes after design freeze go through MOC
Answer + AI explanation with Pro
8. Which term means: "post-award phase producing isometrics, the 3D model, vendor drawings, loop diagrams and construction packages"?
Junior
A.Front-end loading
B.EPC vs EPCM contracting
C.Detailed engineering
D.Conceptual design
Answer + AI explanation with Pro
9. Which statement is correct?
Junior
A.Detailed engineering — principle that engineering effort spent before FID has the highest cost influence; changes after design freeze go through MOC
B.Detailed engineering — full HAZOP runs on frozen P&IDs at end of FEED or early detailed design, with a re-HAZOP or close-out of actions before commissioning
C.Detailed engineering — post-award phase producing isometrics, the 3D model, vendor drawings, loop diagrams and construction packages
D.Detailed engineering — proprietary equipment such as a compressor train or package boiler engineered by the supplier with interface documents and inspected against datasheet and ITP
Answer + AI explanation with Pro
10. What is AACE cost estimate classes?
Mid
A.principle that engineering effort spent before FID has the highest cost influence; changes after design freeze go through MOC
B.Class 5 (±30–50%, concept) through Class 1 (±5–10%, detailed design), ranked by the level of project definition
C.proprietary equipment such as a compressor train or package boiler engineered by the supplier with interface documents and inspected against datasheet and ITP
D.front-end engineering design that freezes PFDs, P&IDs, plot plan, datasheets and design basis, producing a ±10–20% estimate for final investment decision
Answer + AI explanation with Pro
11. Which term means: "Class 5 (±30–50%, concept) through Class 1 (±5–10%, detailed design), ranked by the level of project definition"?
Mid
A.AACE cost estimate classes
B.Vendor package
C.FEED
D.Front-end loading
Answer + AI explanation with Pro
12. Which statement is correct?
Mid
A.AACE cost estimate classes — front-end engineering design that freezes PFDs, P&IDs, plot plan, datasheets and design basis, producing a ±10–20% estimate for final investment decision
B.AACE cost estimate classes — staged 3D model reviews checking layout, access, maintainability and clash detection with piping, structure and electrical
C.AACE cost estimate classes — earliest phase selecting process route, capacity and site with block flow diagrams and a ±30–50% cost estimate
D.AACE cost estimate classes — Class 5 (±30–50%, concept) through Class 1 (±5–10%, detailed design), ranked by the level of project definition
Answer + AI explanation with Pro
13. What is 30/60/90% model reviews?
Mid
A.staged 3D model reviews checking layout, access, maintainability and clash detection with piping, structure and electrical
B.earliest phase selecting process route, capacity and site with block flow diagrams and a ±30–50% cost estimate
C.proprietary equipment such as a compressor train or package boiler engineered by the supplier with interface documents and inspected against datasheet and ITP
D.principle that engineering effort spent before FID has the highest cost influence; changes after design freeze go through MOC
Answer + AI explanation with Pro
14. Which term means: "staged 3D model reviews checking layout, access, maintainability and clash detection with piping, structure and electrical"?
Mid
A.30/60/90% model reviews
B.EPC vs EPCM contracting
C.HAZOP timing
D.Vendor package
Answer + AI explanation with Pro
15. Which statement is correct?
Mid
A.30/60/90% model reviews — earliest phase selecting process route, capacity and site with block flow diagrams and a ±30–50% cost estimate
B.30/60/90% model reviews — staged 3D model reviews checking layout, access, maintainability and clash detection with piping, structure and electrical
C.30/60/90% model reviews — front-end engineering design that freezes PFDs, P&IDs, plot plan, datasheets and design basis, producing a ±10–20% estimate for final investment decision
D.30/60/90% model reviews — full HAZOP runs on frozen P&IDs at end of FEED or early detailed design, with a re-HAZOP or close-out of actions before commissioning
Answer + AI explanation with Pro
16. What is Vendor package?
Mid
A.proprietary equipment such as a compressor train or package boiler engineered by the supplier with interface documents and inspected against datasheet and ITP
B.front-end engineering design that freezes PFDs, P&IDs, plot plan, datasheets and design basis, producing a ±10–20% estimate for final investment decision
C.staged 3D model reviews checking layout, access, maintainability and clash detection with piping, structure and electrical
D.full HAZOP runs on frozen P&IDs at end of FEED or early detailed design, with a re-HAZOP or close-out of actions before commissioning
Answer + AI explanation with Pro
17. Which term means: "proprietary equipment such as a compressor train or package boiler engineered by the supplier with interface documents and inspected against datasheet and ITP"?
Mid
A.Vendor package
B.HAZOP timing
C.30/60/90% model reviews
D.AACE cost estimate classes
Answer + AI explanation with Pro
18. Which statement is correct?
Mid
A.Vendor package — proprietary equipment such as a compressor train or package boiler engineered by the supplier with interface documents and inspected against datasheet and ITP
B.Vendor package — front-end engineering design that freezes PFDs, P&IDs, plot plan, datasheets and design basis, producing a ±10–20% estimate for final investment decision
C.Vendor package — principle that engineering effort spent before FID has the highest cost influence; changes after design freeze go through MOC
D.Vendor package — lump-sum EPC transfers cost and schedule risk to the contractor; EPCM keeps owner control and risk with reimbursable engineering and management
Answer + AI explanation with Pro
19. What is HAZOP timing?
Mid
A.staged 3D model reviews checking layout, access, maintainability and clash detection with piping, structure and electrical
B.full HAZOP runs on frozen P&IDs at end of FEED or early detailed design, with a re-HAZOP or close-out of actions before commissioning
C.earliest phase selecting process route, capacity and site with block flow diagrams and a ±30–50% cost estimate
D.Class 5 (±30–50%, concept) through Class 1 (±5–10%, detailed design), ranked by the level of project definition
Answer + AI explanation with Pro
20. Which term means: "full HAZOP runs on frozen P&IDs at end of FEED or early detailed design, with a re-HAZOP or close-out of actions before commissioning"?
Mid
A.30/60/90% model reviews
B.AACE cost estimate classes
C.Vendor package
D.HAZOP timing
Answer + AI explanation with Pro
21. Which statement is correct?
Mid
A.HAZOP timing — front-end engineering design that freezes PFDs, P&IDs, plot plan, datasheets and design basis, producing a ±10–20% estimate for final investment decision
B.HAZOP timing — full HAZOP runs on frozen P&IDs at end of FEED or early detailed design, with a re-HAZOP or close-out of actions before commissioning
C.HAZOP timing — principle that engineering effort spent before FID has the highest cost influence; changes after design freeze go through MOC
D.HAZOP timing — staged 3D model reviews checking layout, access, maintainability and clash detection with piping, structure and electrical
Answer + AI explanation with Pro
22. What is Front-end loading?
Senior
A.Class 5 (±30–50%, concept) through Class 1 (±5–10%, detailed design), ranked by the level of project definition
B.principle that engineering effort spent before FID has the highest cost influence; changes after design freeze go through MOC
C.lump-sum EPC transfers cost and schedule risk to the contractor; EPCM keeps owner control and risk with reimbursable engineering and management
D.proprietary equipment such as a compressor train or package boiler engineered by the supplier with interface documents and inspected against datasheet and ITP
Answer + AI explanation with Pro
23. Which term means: "principle that engineering effort spent before FID has the highest cost influence; changes after design freeze go through MOC"?
Senior
A.30/60/90% model reviews
B.FEED
C.Conceptual design
D.Front-end loading
Answer + AI explanation with Pro
24. Which statement is correct?
Senior
A.Front-end loading — post-award phase producing isometrics, the 3D model, vendor drawings, loop diagrams and construction packages
B.Front-end loading — earliest phase selecting process route, capacity and site with block flow diagrams and a ±30–50% cost estimate
C.Front-end loading — principle that engineering effort spent before FID has the highest cost influence; changes after design freeze go through MOC
D.Front-end loading — lump-sum EPC transfers cost and schedule risk to the contractor; EPCM keeps owner control and risk with reimbursable engineering and management
Answer + AI explanation with Pro
25. What is EPC vs EPCM contracting?
Senior
A.lump-sum EPC transfers cost and schedule risk to the contractor; EPCM keeps owner control and risk with reimbursable engineering and management
B.Class 5 (±30–50%, concept) through Class 1 (±5–10%, detailed design), ranked by the level of project definition
C.proprietary equipment such as a compressor train or package boiler engineered by the supplier with interface documents and inspected against datasheet and ITP
D.full HAZOP runs on frozen P&IDs at end of FEED or early detailed design, with a re-HAZOP or close-out of actions before commissioning
Answer + AI explanation with Pro
26. Which term means: "lump-sum EPC transfers cost and schedule risk to the contractor; EPCM keeps owner control and risk with reimbursable engineering and management"?
Senior
A.EPC vs EPCM contracting
B.30/60/90% model reviews
C.FEED
D.HAZOP timing
Answer + AI explanation with Pro
27. Which statement is correct?
Senior
A.EPC vs EPCM contracting — front-end engineering design that freezes PFDs, P&IDs, plot plan, datasheets and design basis, producing a ±10–20% estimate for final investment decision
B.EPC vs EPCM contracting — staged 3D model reviews checking layout, access, maintainability and clash detection with piping, structure and electrical
C.EPC vs EPCM contracting — full HAZOP runs on frozen P&IDs at end of FEED or early detailed design, with a re-HAZOP or close-out of actions before commissioning
D.EPC vs EPCM contracting — lump-sum EPC transfers cost and schedule risk to the contractor; EPCM keeps owner control and risk with reimbursable engineering and management
Answer + AI explanation with Pro
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