Energy and Utilities in Process Plants MCQs 2026

Cogeneration produces

1. Aonly electricity wasting all heat✓
2. Bpower and useful heat from same fuel✓
3. Conly cooling without work✓
4. Donly water treatment sludge✓

Heat integration reduces

1. Aonly catalyst cost only without energy✓
2. Bonly pipe length only✓
3. Conly laboratory glassware✓
4. Dexternal heating and cooling duties✓

Boiler blowdown controls

1. Aonly stack CO2✓
2. Bonly polymer melt index✓
3. Cdissolved solids concentration in boiler water✓
4. Donly distillation reflux✓

HP steam header supplies

1. Ahigh-pressure steam to processes and turbines✓
2. Bonly drinking water✓
3. Conly nitrogen liquid always✓
4. Donly crude oil✓

Pinch analysis identifies

1. Aonly pipe color code✓
2. Bminimum utility targets by heat integration✓
3. Conly pump affinity law only without heat✓
4. Donly polymer extrusion✓