Aerodynamic noise resulting from turbulent gas flow is the most prevalent source of valve noise in fluid flow control. It is caused due to_________________?

Related Mcqs:

Global warming may result in __________________?

A. Flood B. Cyclone C. Decrease in food productivity D. All A., B. and C....

In large thermal power stations very fine particulates present in flue gas are removed by___________________?

A. Wet scrubber B. Bag filter C. Electrostatic precipitators D. Dust catcher...

Presence of soluble organics in polluted water causes_________________?

A. Undesirable plants growth B. Depletion of oxygen C. Fire hazards D. Explosion hazards...

Growth of ______________ is promoted by the presence of manganese in water?

A. Files B. Algae C. Micro-organisms D. Mosquitoes...

TLV of NO2 & NO exposure for the human being is 5 & 25 ppm respectively. Prolonged exposure of human being to NO2 causes_________________?

A. Skin disorder B. Bronchitis C. Bone disease D. Cancer...