Which of the following is not a binder for coal briquetting? (A) Coal tar (B) Bitumen (C) Molasses (D) None of these

Which of the following is not a binder for coal briquetting?
(A) Coal tar
(B) Bitumen
(C) Molasses
(D) None of these
by

1 Answer

Answer :

(D) None of these
by

Related questions

Which of the following is not used as a binder in coal briquetting? (A) Tar (B) Molasses(C) Pitch(D) Line

Description : Which of the following is not used as a binder in coal briquetting? (A) Tar (B) Molasses (C) Pitch (D) Line

Last Answer : (D) Line

Coal tar is used as a (A) Binding material for coal briquettes (B) Fuel in rotary kiln (C) Binder in making carbon electrodes (D) All (A), (B) and (C)

Description : Coal tar is used as a (A) Binding material for coal briquettes (B) Fuel in rotary kiln (C) Binder in making carbon electrodes (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

Bitumen completely dissolves in (A) Carbon bisulphide (B) Chloroform (C) Coal tar (D) All of these

Description : Bitumen completely dissolves in (A) Carbon bisulphide (B) Chloroform (C) Coal tar (D) All of these

Last Answer : Answer: Option D

The binder normally used in flexible pavement construction is (A) Cement (B) Lime (C) Bitumen (D) None of the above

Description : The binder normally used in flexible pavement construction is (A) Cement (B) Lime (C) Bitumen (D) None of the above

Last Answer : Answer: Option C

Select the correct statement. (A) Quantity of binder required for tack coat is less than that required for prime coat (B) Prime coat treatment is given for plugging the voids in water bound macadam during bituminous road construction (C) Seal coat is the final coat over certain previous bituminous pavements (D) A bitumen primer is a high viscosity cutback

Description : Select the correct statement. (A) Quantity of binder required for tack coat is less than that required for prime coat (B) Prime coat treatment is given for plugging the voids in water ... the final coat over certain previous bituminous pavements (D) A bitumen primer is a high viscosity cutback

Last Answer : Answer: Option D

Pavement is said to be flexible if it contains (A) Water bound macadam surface (B) Stabilised soil base constructed of lime cement or tar (C) Bitumen-bound stone layer of varying aggregates (D) All the above

Description : Pavement is said to be flexible if it contains (A) Water bound macadam surface (B) Stabilised soil base constructed of lime cement or tar (C) Bitumen-bound stone layer of varying aggregates (D) All the above

Last Answer : Answer: Option D

Percentage of free carbon in bitumen is (A) More than that in tar (B) Less than that in tar (C) Equal to that in tar(D) None of the above

Description : Percentage of free carbon in bitumen is (A) More than that in tar (B) Less than that in tar (C) Equal to that in tar (D) None of the above

Last Answer : Answer: Option B

Bitumen in (A) Solid state, is called asphalt (B) Semi fluid state, is called mineral tar (C) Fluid state, is called petroleum (D) All the above

Description : Bitumen in (A) Solid state, is called asphalt (B) Semi fluid state, is called mineral tar (C) Fluid state, is called petroleum (D) All the above

Last Answer : Answer: Option D

Which of the following can be made into briquettes without the use of a binder? (A) Lignite (B) Bituminous coal (C) Anthracite coal (D) None of these

Description : Which of the following can be made into briquettes without the use of a binder? (A) Lignite (B) Bituminous coal (C) Anthracite coal (D) None of these

Last Answer : (A) Lignite

Which of the following is not categorised as the ore agglomeration process? (A) Nodulising (B) Pelletising (C) Balling (D) Briquetting

Description : Which of the following is not categorised as the ore agglomeration process? (A) Nodulising (B) Pelletising (C) Balling (D) Briquetting

Last Answer : Option C

Which among the following coal contains 90 per cent of carbon? (1) Anthracite (2) Bitumen (3) Lignite (4) Peat

Description : Which among the following coal contains 90 per cent of carbon? (1) Anthracite (2) Bitumen (3) Lignite (4) Peat

Last Answer : (1) Anthracite Explanation: Coal is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers or veins called coal beds or coal seams. The harder forms, ... elements, chiefly hydrogen, sulfur, oxygen, and nitrogen. Anthracite contains 90 per cent of carbon.

Which variety of coal contains recognizable traces of the original plant material? (1) Anthracite (2) Lignite (3) Peat (4) Bitumen

Description : Which variety of coal contains recognizable traces of the original plant material? (1) Anthracite (2) Lignite (3) Peat (4) Bitumen

Last Answer : (3) Peat Explanation: Peat contains recognizable traces of the original plant material. Initially the peat is converted into lignite or 'brown coal' - these are coal-types with low organic maturity. In ... , lignite is quite soft and its colour can range from dark black to various shades of brown.

The variety of coal in which the deposit contains recognizable traces of the original plant material is------? A. bitumen B. anthracite C. lignite D. peat (Answer)

Description : The variety of coal in which the deposit contains recognizable traces of the original plant material is------? A. bitumen B. anthracite C. lignite D. peat (Answer)

Last Answer : D. peat (Answer)

Bitumen is generally obtained from (A) Organic material (B) Synthetic material (C) Petroleum product (D) Coal

Description : Bitumen is generally obtained from (A) Organic material (B) Synthetic material (C) Petroleum product (D) Coal

Last Answer : Answer: Option C

Which variety of coal contains recognisable traces of the original plant material ? (1) Anthracite (2) Lignite (3) Peat (4) Bitumen

Description : Which variety of coal contains recognisable traces of the original plant material ? (1) Anthracite (2) Lignite (3) Peat (4) Bitumen

Last Answer : Peat

Which among the following coal contains 90 per cent of carbon? (1) Anthracite (2) Bitumen (3) Lignite (4) Peat

Description : Which among the following coal contains 90 per cent of carbon? (1) Anthracite (2) Bitumen (3) Lignite (4) Peat

Last Answer : Anthracite

In producer gas making furnace, steam is added along with air to mainly control the (A) Fusion of coal ash & clinker formation (B) C. V. of producer gas (C) Temperature of producer gas (D) Tar content in producer gas

Description : In producer gas making furnace, steam is added along with air to mainly control the (A) Fusion of coal ash & clinker formation (B) C. V. of producer gas (C) Temperature of producer gas (D) Tar content in producer gas

Last Answer : (A) Fusion of coal ash & clinker formation

The main product of high temperature carbonisation of coal is (A) Coke (B) Ammonia (C) Tar (D) Coke oven gas

Description : The main product of high temperature carbonisation of coal is (A) Coke (B) Ammonia (C) Tar (D) Coke oven gas

Last Answer : (A) Coke

A coal having high amount of volatile matter (A) Would require smaller combustion chamber (B) Produces very little of tar and gas on carbonisation (C) Ignites easily and burns with long smoky flame (D) All (A), (B) and (C)

Description : A coal having high amount of volatile matter (A) Would require smaller combustion chamber (B) Produces very little of tar and gas on carbonisation (C) Ignites easily and burns with long smoky flame (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

A coal having high amount of volatile matter (A) Would require smaller combustion chamber (B) Produces very little of tar and gas on carbonisation(C) Ignites easily and burns with long smoky flame(D) All (A), (B) and (C)

Description : A coal having high amount of volatile matter (A) Would require smaller combustion chamber (B) Produces very little of tar and gas on carbonisation (C) Ignites easily and burns with long smoky flame (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

Producer gas containing least amount of tar is produced by the (A) Partial combustion of coal (B) Partial combustion of large size (< 50 mm) coke (C) High pressure gasification of coal (e.g. in Lurgi gasifier) (D) Atmospheric pressure gasification of coal (e.g., in Kopper-Totzek gasifier)

Description : Producer gas containing least amount of tar is produced by the (A) Partial combustion of coal (B) Partial combustion of large size (< 50 mm) coke (C) High pressure gasification of coal (e.g. in Lurgi gasifier) (D) Atmospheric pressure gasification of coal (e.g., in Kopper-Totzek gasifier)

Last Answer : (B) Partial combustion of large size (< 50 mm) coke

Coal tar fuel - 200 (CTF 200) is a mixture of (A) Pitch and creosote oil (B) Light oil and pitch (C) Anthracene and crecosote oil (D) Solar oil and pitch

Description : Coal tar fuel - 200 (CTF 200) is a mixture of (A) Pitch and creosote oil (B) Light oil and pitch (C) Anthracene and crecosote oil (D) Solar oil and pitch

Last Answer : (A) Pitch and creosote oil

Which of the following fuels is generally not used in thermal power plant boiler firing? (A) Furnace oil, light diesel oil and tar/PCM (B) Pulverised coking coal (C) Coal middling from washeries (D) B.F. gas, coke oven gas and L.D. converter gas

Description : Which of the following fuels is generally not used in thermal power plant boiler firing? (A) Furnace oil, light diesel oil and tar/PCM (B) Pulverised coking coal (C) Coal middling from washeries (D) B.F. gas, coke oven gas and L.D. converter gas

Last Answer : (B) Pulverised coking coal

In high temperature carbonisation (as compared to low temperature carbonisation) of coal, the (A) Gas yield is less (B) Tar yield is more (C) Ignition temperature of coke produced is less (D) Aromatic content of tar produced is more

Description : In high temperature carbonisation (as compared to low temperature carbonisation) of coal, the (A) Gas yield is less (B) Tar yield is more (C) Ignition temperature of coke produced is less (D) Aromatic content of tar produced is more

Last Answer : (D) Aromatic content of tar produced is more

In high temperature carbonisation (as compared to low temperature carbonisation) of coal (A) Coke oven gas yield is more (B) Tar yield is less but free carbon in tar is more (C) Calorific value of coke oven gas is less (D) All (A), (B) and (C)

Description : In high temperature carbonisation (as compared to low temperature carbonisation) of coal (A) Coke oven gas yield is more (B) Tar yield is less but free carbon in tar is more (C) Calorific value of coke oven gas is less (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

. By-products recovery process from coal carbonisation is termed asdirect, indirect and semi direct process depending upon the method of recovery of (A) Tar (B) Benzol (C) Ammonia (D) None of these

Description : . By-products recovery process from coal carbonisation is termed asdirect, indirect and semi direct process depending upon the method of recovery of (A) Tar (B) Benzol (C) Ammonia (D) None of these

Last Answer : (C) Ammonia

Which of the following is not a 'manufactured' fuel? (A) LPG (B) Coal briquettes (C) Tar (D) Colloidal fuels

Description : Which of the following is not a 'manufactured' fuel? (A) LPG (B) Coal briquettes (C) Tar (D) Colloidal fuels

Last Answer : (C) Tar

Tar yield in the low temperature and high temperature carbonisation of dry coal may be respectively __________ percent. (A) 3 & 10 (B) 10 & 3 (C) 10 & 20 (D) 15 & 8

Description : Tar yield in the low temperature and high temperature carbonisation of dry coal may be respectively __________ percent. (A) 3 & 10 (B) 10 & 3 (C) 10 & 20 (D) 15 & 8

Last Answer : (B) 10 & 3

In low temperature carbonisation (as compared to high temperature carbonisation) of coal (A) Ammonia yield is more (B) Aliphatic tar is produced (C) Free carbon in tar is more (D) All (A), (B) and (C

Description : In low temperature carbonisation (as compared to high temperature carbonisation) of coal (A) Ammonia yield is more (B) Aliphatic tar is produced (C) Free carbon in tar is more (D) All (A), (B) and (C

Last Answer : (B) Aliphatic tar is produced

In low temperature carbonisation of coal as compared to high temperature carbonisation __________ produced is less. (A) Difference in gross & net calorific value of the coke oven gas (B) Free carbon content in tar (C) Yield percentage of coke (D) Yield of ammonia present in coke oven gas

Description : In low temperature carbonisation of coal as compared to high temperature carbonisation __________ produced is less. (A) Difference in gross & net calorific value of the coke oven gas (B) Free carbon content in tar (C) Yield percentage of coke (D) Yield of ammonia present in coke oven gas

Last Answer : (A) Difference in gross & net calorific value of the coke oven gas

Coal tar (produced by high temperature carbonisation) is the main source of (A) Aromatic compounds (B) Aliphatic compounds (C) Paraffins (D) Olefins

Description : Coal tar (produced by high temperature carbonisation) is the main source of (A) Aromatic compounds (B) Aliphatic compounds (C) Paraffins (D) Olefins

Last Answer : (A) Aromatic compounds

High temperature carbonisation of coal produces (A) Inferior coke compared to low temperature carbonisation (B) Less of gases compared to liquid products (C) Large quantity of tar compared to low temperature carbonisation (D) None of these

Description : High temperature carbonisation of coal produces (A) Inferior coke compared to low temperature carbonisation (B) Less of gases compared to liquid products (C) Large quantity of tar compared to low temperature carbonisation (D) None of these

Last Answer : (D) None of these

During the carbonisation of coal (A) All tar is evolved at < 600°C (B) Evolution of H2 and formation of methane and aromatics occur at > 700°C (C) Hard semi-coke starts shrinking at 600°C (D) All (A), (B) and (C)

Description : During the carbonisation of coal (A) All tar is evolved at < 600°C (B) Evolution of H2 and formation of methane and aromatics occur at > 700°C (C) Hard semi-coke starts shrinking at 600°C (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

Coal tar fuels (CTF) as compared to petroleum based fuel oils have higher (A) Calorific value (B) Higher C/H ratio (C) Sulphur content (D) Difference in gross & net calorific value

Description : Coal tar fuels (CTF) as compared to petroleum based fuel oils have higher (A) Calorific value (B) Higher C/H ratio (C) Sulphur content (D) Difference in gross & net calorific value

Last Answer : (B) Higher C/H ratio

In low temperature carbonisation of coal, the(A) Yield of coke oven gas is 290 Nm3/ton dry coal(B) Volatile matter in coke is zero(C) Temperature maintained is 700°C(D) Yield of tar is about 3% of dry coal

Description : In low temperature carbonisation of coal, the (A) Yield of coke oven gas is 290 Nm3 /ton dry coal (B) Volatile matter in coke is zero (C) Temperature maintained is 700°C (D) Yield of tar is about 3% of dry coal

Last Answer : (C) Temperature maintained is 700°C

Preheating of coal charge for the coke ovens reduces the (A) Time of carbonisation (B) Yield of gas and tar(C) Fuel consumption in coking(D) All (A), (B) and (C)

Description : Preheating of coal charge for the coke ovens reduces the (A) Time of carbonisation (B) Yield of gas and tar (C) Fuel consumption in coking (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

In high temperature carbonisation of coal compared to low temperature carbonisation (A) Yield of ammonia is less (B) Aromatic content of tar is low (C) H2 content in the coke oven gas is more (D) Calorific value of the coke oven gas is lower

Description : In high temperature carbonisation of coal compared to low temperature carbonisation (A) Yield of ammonia is less (B) Aromatic content of tar is low (C) H2 content in the coke oven gas is more (D) Calorific value of the coke oven gas is lower

Last Answer : (C) H2 content in the coke oven gas is more

Which of the following is not a commercially used feed-stock for the production of ammonia synthesis gas? (A) Water (B) Naphtha (C) Tar (D) Coal/coke oven gas

Description : Which of the following is not a commercially used feed-stock for the production of ammonia synthesis gas? (A) Water (B) Naphtha (C) Tar (D) Coal/coke oven gas

Last Answer : (C) Tar

Carbon content of pitch (residue of coal tar distillation) is around __________ percent. (A) 70 (B) 55(C) 80 (D) 94

Description : Carbon content of pitch (residue of coal tar distillation) is around __________ percent. (A) 70 (B) 55 (C) 80 (D) 94

Last Answer : (D) 94

High temperature carbonisation of coal produces (A) Inferior coke compared to low temperature carbonisation(B) Less of gases compared to liquid products(C) Larger quantity of tar compared to low temperature carbonisation(D) None of these

Description : High temperature carbonisation of coal produces (A) Inferior coke compared to low temperature carbonisation (B) Less of gases compared to liquid products (C) Larger quantity of tar compared to low temperature carbonisation (D) None of these

Last Answer : (D) None of these

Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt in a burner, because (A) Its calorific value is very less (B) Tar neutralises the residual acids present in pitch (C) It reduces viscosity and imparts fluidity for its transportation through pipelines at economic pressure drop (D) All (A), (B) and (C)

Description : Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt in a burner, because (A) Its calorific value is very less (B) Tar neutralises the residual acids ... for its transportation through pipelines at economic pressure drop (D) All (A), (B) and (C)

Last Answer : (C) It reduces viscosity and imparts fluidity for its transportation through pipelines at economic pressure drop

The terminology 'BTX' used in coal tar distillation industry refers to (A) Benzol-toluol-xylol (B) Benzol-toluene-xylene (C) Benzene-toluol-xylol (D) Benzene-toluene-xylene

Description : The terminology 'BTX' used in coal tar distillation industry refers to (A) Benzol-toluol-xylol (B) Benzol-toluene-xylene (C) Benzene-toluol-xylol (D) Benzene-toluene-xylene

Last Answer : (D) Benzene-toluene-xylene

The yield of tar from high temperature carbonisation of dry coal is about __________ percent. (A) 3 (B) 12 (C) 22 (D) 0.3

Description : The yield of tar from high temperature carbonisation of dry coal is about __________ percent. (A) 3 (B) 12 (C) 22 (D) 0.3

Last Answer : (A) 3

The main product of high temperature carbonisation of coal is (A) Coke (B) Ammonia (C) Tar (D) Phenol

Description : The main product of high temperature carbonisation of coal is (A) Coke (B) Ammonia (C) Tar (D) Phenol

Last Answer : (A) Coke

Which of the following is not a product of coal tar distillation? (A) Anthracene (B) Creosote oil (C) Carbolic oil (D) None of these

Description : Which of the following is not a product of coal tar distillation? (A) Anthracene (B) Creosote oil (C) Carbolic oil (D) None of these

Last Answer : (D) None of these

Dowtherm is a (A) High temperature heating medium (a petroleum product) (B) Product of coal tar distillation (C) Very heat sensitive material (D) None of these

Description : Dowtherm is a (A) High temperature heating medium (a petroleum product) (B) Product of coal tar distillation (C) Very heat sensitive material (D) None of these

Last Answer : Option A

The primary source of carbohydrates are – (1) Marine animals (2) Plants (3) Coal-tar (4) Crude oil

Description : The primary source of carbohydrates are – (1) Marine animals (2) Plants (3) Coal-tar (4) Crude oil

Last Answer : (2) Plants Explanation: Plants are the primary sources of carbohydrates. They produce carbohydrates by photosynthesis which is the source of energy for nearly all life on earth, either directly, through primary production, or indirectly, as the ultimate source of the energy in their food.

The chief source of naphthalene is - (1) Coal-tar (2) Diesel (3) Charcoal (4) Camphor

Description : The chief source of naphthalene is - (1) Coal-tar (2) Diesel (3) Charcoal (4) Camphor

Last Answer : (1) Coal-tar Explanation: Naphthalene is derived from a kind of naphtha which is a broad term encompassing any volatile, flammable liquid hydrocarbon mixture, including coal tar.

The main source of Naphthalene is - (1) Charcoal (2) Camphor (3) Coal-tar (4) Diesel

Description : The main source of Naphthalene is - (1) Charcoal (2) Camphor (3) Coal-tar (4) Diesel

Last Answer : (3) Coal-tar Explanation: The main source of Naphthalene is coal-tar. Naphthalene is derived from a kind of naphtha which is a broad term encompassing any volatile, namable liquid hydrocarbon mixture, including coaltar.