Chemical Engineering Questions and Answers for Competitive Exams SSC UPSC Railways | GkSeries

Sports GK Questions and Answers 2024 (Latest Updated)

Awards & Honours GK Questions 2024 (Latest Updated)

46 A coal that softens and fuses on heating is
1 classified
2 carbonised
3 caking
4 non-caking

Answer: caking
47 The calorific value is highest for
1 producer gas
2 water gas
3 coke-oven gas
4 blast-furnace gas

Answer: coke-oven gas
Advertisement
Article and Schedule Quiz Start Test!
DOWNLOAD CURRENT AFFAIRS PDF FROM APP
48 Addition of a non-volatile solute to a solvent produces a in its solvent.
1 freezing point elevation
2 boiling point depression
3 vapour pressure lowering
4 None , of the above

Answer: vapour pressure lowering
49 Recycling in a chemical process facilitates
1 increased yield
2 enrichment of product
3 heat conservation
4 All of the above

Answer: All of the above
50 Deaeration of water in its treatment is necessary as it
1 minimises its turbidity
2 helps in controlling its taste and odour
3 minimises its corrosiveness
4 None of the above

Answer: minimises its corrosiveness
51 The most widely and commonly used coagulant for removal of suspended impurities in water is
1 bleaching powder
2 slaked lime
3 alum
4 copper sulphate

Answer: alum
52 Contact process
1 yields acid of higher concentration than chamber process
2 yields acid of lower concentration than chamber process
3 is obsolete
4 eliminates absorber

Answer: yields acid of higher concentration than chamber process
53 Bromine is used in the preparation of
1 fire extinguishing compounds
2 fireproofing agents
3 dyes and antiknock compounds
4 All of the above

Answer: All of the above
54 The hottest part of a flame lies in its
1 non-luminous zone
2 luminous zone
3 yellow zone
4 zone of unburnt gases

Answer: non-luminous zone
55 When coal is heated in absence of air, it is called
1 deoxidation
2 gasification
3 coalification
4 carbonisation

Answer: carbonisation
56 Which is the most commonly used molten metal for cooling of nuclear reactor?
1 Calcium
2 Sodium
3 Mercury
4 Zinc

Answer: Sodium
57 Turbulent flow generally occurs in cases involving
1 highly viscous fluid
2 very narrow passages
3 very slow motion
4 None of the above

Answer: None of the above
58 Cement mainly contains
1 CaO, Si02, A1203
2 MgO, Si02, K20
3 A1203, MgO, Fe203
4 CaO, MgO, K20

Answer: CaO, Si02, A1203
59 Absorption ofS03 in 97%H2S04 is
1 exothermic
2 endothermic
3 not possible
4 Non of the above

Answer: exothermic
60 Which form of energy source has the highest potential in Assam compared to all States of India?
1 Wind power
2 Solar power
3 Hydropower
4 Biomass power

Answer: Hydropower

Random GK Questions

Q. The most important source of revenue for the states in India is
Q. The ratio between cash in hand and total assets maintained by the banks is called :
Q. In the budget figures of the Government of India the difference between total expenditure and total receipts is called
Q. Consumer protection Act 1986, was amended in:
Q. Which among the following court has the original jurisdiction to hear petition and give decision challenging election of the Lok Sabha/Vidhan Sabha?
Q. The Gaseous Mass Theory of the origin of earth was given by
Assam Direct Recruitment Test Series

Teacher Eligibility Test

Assam Direct Recruitment Test Series