According to ISI, bitumen is classified into (A) 2 grades (B) 4 grades (C) 8 grades (D) 10 grades

According to ISI, bitumen is classified into
(A) 2 grades
(B) 4 grades
(C) 8 grades
(D) 10 grades
by

1 Answer

Answer :

Answer: Option D
by

Related questions

According to ISI method of measurement, the order of the sequence is (A) Length, breadth, height (B) Breadth, length, height (C) Height, length, breadth (D) None of these

Description : According to ISI method of measurement, the order of the sequence is (A) Length, breadth, height (B) Breadth, length, height (C) Height, length, breadth (D) None of these

Last Answer : (A) Length, breadth, height

According to ISI recommendations, the maximum depth of stress block for balanced section of a beam of effective depth d is (A) 0.43 d (B) 0.55 d (C) 0.68 d (D) 0.85 d

Description : According to ISI recommendations, the maximum depth of stress block for balanced section of a beam of effective depth d is (A) 0.43 d (B) 0.55 d (C) 0.68 d (D) 0.85 d

Last Answer : Answer: Option A

Bitumen of grade 80/100 means (A) Its penetration value is 8 mm (B) Its penetration value is 10 mm (C) Its penetration value is 8 to 10 mm (D) Its penetration value is 8 to 10 cm

Description : Bitumen of grade 80/100 means (A) Its penetration value is 8 mm (B) Its penetration value is 10 mm (C) Its penetration value is 8 to 10 mm (D) Its penetration value is 8 to 10 cm

Last Answer : Answer: Option C

According to I.S. : 456, the number of grades of concrete mixes, is (A) 3 (B) 4 (C) 5 (D) 7

Description : According to I.S. : 456, the number of grades of concrete mixes, is (A) 3 (B) 4 (C) 5 (D) 7

Last Answer : (D) 7

If N is the net difference of grades, S is the minimum overtaken sight distance in metres, the length (L) of a summit curve, is (A) NS/4 (B) NS²/4 (C) NS²/4.8 (D) NS²/9.6

Description : If N is the net difference of grades, S is the minimum overtaken sight distance in metres, the length (L) of a summit curve, is (A) NS/4 (B) NS²/4 (C) NS²/4.8 (D) NS²/9.6

Last Answer : Answer: Option D

If N is the algebraic difference of grades, S is the head light beam distance in metres, the length (L) of a valley curve, is (A) NS²/4 (B) NS²/6 (C) NS²/9.6 (D) NS²/4.8

Description : If N is the algebraic difference of grades, S is the head light beam distance in metres, the length (L) of a valley curve, is (A) NS²/4 (B) NS²/6 (C) NS²/9.6 (D) NS²/4.8

Last Answer : Answer: Option A

Softening point of bitumen to be used for read construction at a place where maximum temperature is 40°C should be (A) Less than 40°C (B) Greater than 40°C (C) Equal to 40°C (D) None of the above

Description : Softening point of bitumen to be used for read construction at a place where maximum temperature is 40°C should be (A) Less than 40°C (B) Greater than 40°C (C) Equal to 40°C (D) None of the above

Last Answer : Answer: Option B

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

The ductility value of bitumen for suitability in road construction should not be less than (A) 30 cm (B) 40 cm (C) 50 cm (D) 60 cm

Description : The ductility value of bitumen for suitability in road construction should not be less than (A) 30 cm (B) 40 cm (C) 50 cm (D) 60 cm

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Which of the following represents a carpet of sand-bitumen mix without coarse aggregates? (A) Mastic asphalt (B) Sheet asphalt (C) Bituminous carpet (D) Bituminous concrete

Description : Which of the following represents a carpet of sand-bitumen mix without coarse aggregates? (A) Mastic asphalt (B) Sheet asphalt (C) Bituminous carpet (D) Bituminous concrete

Last Answer : Answer: Option B

Which of the following represents hardest grade of bitumen? (A) 30/40 (B) 60/70 (C) 80/100 (D) 100/120

Description : Which of the following represents hardest grade of bitumen? (A) 30/40 (B) 60/70 (C) 80/100 (D) 100/120

Last Answer : Answer: Option A

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

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Last Answer : Answer: Option B

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Last Answer : Answer: Option D

Penetration test on bitumen is used for determining its (A) Grade (B) Viscosity (C) Ductility (D) Temperature susceptibilit

Description : Penetration test on bitumen is used for determining its (A) Grade (B) Viscosity (C) Ductility (D) Temperature susceptibilit

Last Answer : Answer: Option A

In the penetration macadam construction, the bitumen is (A) Sprayed after the aggregates are spread and compacted (B) Premixed with aggregates and then spread (C) Sprayed before the aggregates are spread and compacted (D) None of the above

Description : In the penetration macadam construction, the bitumen is (A) Sprayed after the aggregates are spread and compacted (B) Premixed with aggregates and then spread (C) Sprayed before the aggregates are spread and compacted (D) None of the above

Last Answer : Answer: Option A

Bitumen paints offer (A) Pleasing surface (B) Hard surface (C) Smooth surface (D) Protective surface

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Last Answer : Answer: Option D

Plastic bitumen is generally used for (A) Road pavements (B) Expansion joints (C) Crack fillings (D) None to these

Description : Plastic bitumen is generally used for (A) Road pavements (B) Expansion joints (C) Crack fillings (D) None to these

Last Answer : Answer: Option C

Bitumen emulsion is (A) A liquid containing bitumen in suspension (B) A paint (C) Used as anti-corrosive paint (D) All the above

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The filler used in plastic bitumen, is (A) Shale powder (B) Talc powder (C) Asbestos powder (D) Plastic powder

Description : The filler used in plastic bitumen, is (A) Shale powder (B) Talc powder (C) Asbestos powder (D) Plastic powder

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Bitumen felt (A) Is used as water proofing material (B) Is used as damp proofing material (C) Is made from bitumen and hessian fibres (D) All the above

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Description : Asphalt is obtained from (A) Petroleum distillation (B) Bitumen distillation (C) Plastic distillation (D) None of these

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Description : If N is the algebraic difference of grades, S is the minimum sight distance in metres, the length (L) of a summit curve is (A) NS/4 (B) NS²/4 (C) N²S/4 (D) (NS)²/4

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The maximum distance of the apex of a vertical curve of length L from the point of intersection of two grades + g1%, and - g2% (g1 > g2), is (A) L(g - g (B) L(g - g (C) L(g g (D) L(g - g

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