Bihar SBTE Diploma Civil 3rd SEM Dec 2019 Paper on T.I.C

Bihar SBTE Diploma Civil 3rd SEM Dec  2019 Paper on T.I.C

Sr. No. Questions with options
1 Contact process for the manufacture of sulfuric acid yields

(a)  80% sulfuric acid only

(b) 98% sulfuric acid only

(c)  95% sulfuric acid only

(d) 90% sulfuric acid only

2 Slaked lime is produced by _____ of quick lime

(a)  Hydrogenation

(b) Hydration

(c)  Dehydration

(d) Dehydrogenation

3 Phosphatic fertilizers

(a)  Are useful during early stage of plant growth

(b) Accelerate fruit formation in later stage of growth

(c)  Lesses the effect of excessive nitrogen application

(d) None of these

4 Urea is formed

(a)  In liquid phase

(b) In vapor phase

(c)  At very high temperature e

(d) At very low pressure

5 Raw materials for nitric acid manufacture are _____

(a)  Hydrogen peroxide, air and water

(b) Anhydrous ammonia and air

(c)  Anhydrous ammonia , air and water

(d) Wet ammonia, air and water

6 Urea is

(a)  Nitrogenous fertilizer

(b) Potassic fertilizer

(c)  Phosphatic fertilizer

(d) None of these

7 Triple super phosphate is made by reading phosphate with

(a)  Phosphoric acid

(b) Nitric acid

(c)  Sulphuric acid

(d) Hydrochloric acid

 
8 Calcinations of gypsum produces

(a)  Plaster of paris

(b) Salt cake

(c)  Nitre cake

(d) Lime

9 Nitrogen gas is used

(a)  As protective atmosphere to prevent oxidation in metal working & food preservation

(b) For welding

(c)  For cutting of metals

(d) None of these

10 Catalyst used in Haber process for ammonia production is

(a)  Reduced iron oxide

(b) Nickel

(c)  Vanadium pentaoxide

(d) Silica gel

11 Which is best fertilizer for paddy?

(a)  Ammonium sulphate

(b) Nitrophosphate

(c)  Super phosphate

(d) Potassium nitrate

12 HCl is store in

(a)  Rubber lined steel vessel

(b) Stainless steel

(c)  Lead lined steel vessel

(d) Enamel

13 Soda ash is also called

(a)  Sodium carbonate

(b) Sodium hydroxide

(c)  Sodium bicarbonate

(d) Sodium oxide

14 ____process is used for producing soda ash

(a)  Chamber

(b) Chance

(c)  Tromb

(d) Solvay

   
  Data Collected By – Rashmi
  Published On – 11th June 2022
   
   

 


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