Last Answer : Glass fiber is used.
Description : Main use of hydrazine is (A) As a rocket fuel (B) In water treatment (C) As a disinfectant (D) As fire retardant
Last Answer : (A) As a rocket fuel
Description : A mixture of chlorine & sodium bromide acts as a/an (A) Insecticides (B) Analgesic drug (C) Fire retardant (D) Hydrogenation catalyst
Last Answer : (C) Fire retardant
Description : Fibre glass (A) Retains heat-longer (B) Has a higher strength to weight ratio (C) Is shock proof and fire retardant (D) All the above
Last Answer : Answer: Option D
Description : Are there any curtains that are flame retardant?
Last Answer : Yes, most department stores offer curtains made of flame resistant materials.
Description : is this flame retardant?
Last Answer : All the metal components should withstand extreme heat; as for the foam seat cushion, I wouldn't expect much.
Description : Growth retardant type antitranspirents is
Last Answer : Ans.Cycocel (CCC) (VIII) Weed Management
Description : Industrial hazards comes under the category of: (a) Natural hazards (b) Human induced hazards (c) Meteorological hazard (d) Wild fire hazard
Last Answer : (b) Human induced hazards
Description : Very high pressure boilers are usually __________ boilers. (A) Fire tube (B) Water tube (C) Waste heat (D) Natural circulation
Last Answer : (D) Natural circulation
Description : Which of the following acts as a natural source of air pollution? (A) Forest fire (B) Deforestation (C) Volcanic eruption (D) None of these
Last Answer : (C) Volcanic eruption
Description : What type of boiler is a Benson boiler? a) Super critical boiler b) Fire tube boiler c) Natural circulation boiler d) Over-through boiler
Last Answer : a) Super critical boiler
Description : Which Greek philosopher suggested that the material world was composed of four basic elements – air, water, fire and earth?
Last Answer : Answer: Empedocles.
Description : Fire clay is __________ refractory material. (A) A basic (B) An acidic (C) A neutral (D) Not a
Last Answer : (B) An acidic
Description : Asbestos is (A) Corrugated sheet used for roofing (B) An incombustible fire proof material (C) An organic substance (D) All the above
Description : Granite is not suitable for ordinary building purpose because (A) It cannot be polished (B) It is not a fire proof material (C) It is costly (D) It has less crushing strength
Last Answer : Answer: Option C
Description : The pollutants that are present depend on __________ building material, as well. • Cooling tower • Water tower • Steam tower • Fire tower
Last Answer : cooling water
Description : The material which on heating in presence of oxygen catches fire easily and produces heat and light energy is known as _________ material. a) combustible b)non-combustible c)conducting d)none
Last Answer : a) combustible