Energy and Utilities in Process Plants MCQs 2026

Pinch analysis identifies

1. A only pipe color code ✓
2. B minimum utility targets by heat integration ✓
3. C only pump affinity law only without heat ✓
4. D only polymer extrusion ✓

Cogeneration produces

1. A only electricity wasting all heat ✓
2. B power and useful heat from same fuel ✓
3. C only cooling without work ✓
4. D only water treatment sludge ✓

Heat integration reduces

1. A only catalyst cost only without energy ✓
2. B only pipe length only ✓
3. C only laboratory glassware ✓
4. D external heating and cooling duties ✓

Boiler blowdown controls

1. A only stack CO2 ✓
2. B only polymer melt index ✓
3. C dissolved solids concentration in boiler water ✓
4. D only distillation reflux ✓

HP steam header supplies

1. A high-pressure steam to processes and turbines ✓
2. B only drinking water ✓
3. C only nitrogen liquid always ✓
4. D only crude oil ✓