The activated sludge process is an

ক Aerobic attached growth system
খ Anaerobic attached growth system
গ Anaerobic suspended growth system
ঘ Aerobic suspended system

সঠিক উত্তর: Aerobic suspended system

The activated sludge process is an aerobic suspended growth treatment system in which microorganisms use the organic content of wastewater as an energy source as well as for survival and replication.
Bissoy MCQ

Related Questions

In the activated sludge process
ক Aeration is continued till stability
খ Aeration is done with an admixture of previously aerated sludge
গ Sludge is activated by constant stirring
ঘ Water is removed by centrifugal action
For satisfactory working of a sludge digestion unit, the pH range of digested sludge should be maintained as
ক 4.5 to 6.0
খ 6.5 to 8.0
গ 8.5 to 10.0
ঘ 10.5 to 12.0
For normal sludge, the value of sludge index for Indian conditions is
ক 0 to 50
খ 50 to 150
গ 150 to 350
ঘ 350 to 500
The first stage of neutral process of sludge digestion, is
ক Acid fermentation
খ Acid regression
গ Alkaline fermentation
ঘ None of these
Hormone sensitive lipase is activated by
ক ACTH
খ Vasopressin
গ TSH
ঘ Nicotinic acid
ঙ Prostaglandin E1
Prothrombin time and activated partial thromboplastin time both are prolonged in
ক Acute liver failure
খ Disseminated intravascular coagulation
গ Low molecular weight heparin therapy
ঘ Factor XIII deficiency
ঙ Haemolytic uremic syndrome
A 4 year old boy presents with prolonged bleeding. A complete blood count, Prothrombin time & activated thromboplastin time normal. The possibilities are
ক Platelet function disorder
খ Von- Willebrand disease
গ Congenital factor VII deficiency
ঘ Idiopathic thrombocytopenic purpura
ঙ Hemophilia A
Glycogen phosphorylase is activated by
ক Glucagon
খ Epinephrine
গ AMP
ঘ ATP
ঙ Insulin
Hormone sensitive lipase is activated by
ক TSH
খ ACTH
গ Nicotinic acid
ঘ Prostaglandin E1
ঙ Vasopressin
Activated macrophages produce
ক TNF-α
খ IL-1
গ IL-12
ঘ INF-
ঙ IL-17

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