ACS CP ACS CP Industrial & Process Chemistry

Question 1

The Haber-Bosch process synthesizes ammonia from nitrogen and hydrogen at which typical operating conditions?

Accepted Answer

400–500°C, 150–300 atm, iron catalyst with promoters

Answer

25°C, 1 atm, platinum catalyst

Answer

150–200°C, 10 atm, vanadium pentoxide catalyst

Answer

800°C, 1 atm, nickel catalyst

Question 2

In chemical process safety, the 'hierarchy of controls' lists which option as most effective?

Accepted Answer

Engineering controls (substitution or elimination)

Answer

Personal protective equipment (PPE)

Answer

Administrative controls

Answer

Training and procedures

Question 3

The Contact Process for sulfuric acid production uses which catalyst?

Accepted Answer

Vanadium pentoxide (V2O5)

Answer

Iron (Fe)

Answer

Platinum (Pt)

Answer

Nickel (Ni)

Question 4

Which industrial process converts heavy petroleum fractions into lighter, more valuable gasoline-range hydrocarbons?

Accepted Answer

Catalytic cracking (FCC)

Answer

Alkylation

Answer

Polymerization

Answer

Isomerization

Question 5

HAZOP (Hazard and Operability Study) is a systematic process hazard analysis technique that examines:

Accepted Answer

Deviations from design intent using guide words like 'more of,' 'less of,' and 'reverse'

Answer

Environmental impact of chemical releases using dispersion modeling

Answer

Fault tree logic for equipment failure probabilities

Answer

Consequence severity using dose-response relationships

Question 6

The Ostwald process for nitric acid production involves catalytic oxidation of ammonia over which catalyst?

Accepted Answer

Platinum-rhodium gauze

Answer

Iron-molybdenum oxide

Answer

Vanadium pentoxide

Answer

Copper chromite