PPSCFPSCNTSPakistan govt jobs
- Subject
- Chemical Environmental Engineeringchemical-engineering › chemical-environmental-engineering-chemical-engineering
- Published
- 11 Mar 2019
- Last updated
- 28 May 2026
Explanation
The sound intensity experienced by someone sitting in the fifth row during a large orchestra show is roughly 135 decibels, which corresponds to option B.
More Chemical Environmental Engineering MCQs
Practice related questions from the same subject.
- 1.Which type of plant releases a significant quantity of sulfur dioxide (SO2) into the atmosphere?
- 2.What is the primary source of carbon monoxide pollution in the atmosphere, given that its safe threshold limit value (TLV) is below 50 ppm?
- 3.Which material is commonly utilized as an adsorbent to eliminate SO2 from air or gas streams?
- 4.What is the recommended method for disposing of solid radioactive nuclear waste?
- 5.At what minimum concentration percentage does nitrogen in polluted air function as a natural asphyxiant by lowering the oxygen partial pressure in the lungs, leading to suffocation and potential death due to oxygen deprivation?
- 6.The presence of manganese in water encourages the proliferation of which of the following?
- 7.What is the approximate pH level of treated (oxidized) sewage?
- 8.In which of the following industries is arsenic pollution not produced?
More in CHEMICAL ENGINEERING
- Chemical Engineering Basics
- Chemical Heat Transfer
- Chemical Process
- Chemical Reaction
- Fertilizer Technology
- Fluid Mechanics for Chemical
- Fuels and Combustion
- Furnace Technology
- Mass Transfer
- Materials and Construction
- Mechanical Operations
- Nuclear Power Engineering
- Petroleum Refinery Engineering
- Plant-Economics
- Polymer Technology
- Process Control and Instrumentation
- Process Equipment and Plant Design
- Refractory Technology
- Stoichiometry
- Thermodynamics for Chemical