For the construction of water bound macadam roads, the correct sequence of operations after spreading coarse aggregates is (A) Dry rolling, wet rolling, application of screening and application of filler (B) Dry rolling, application of filler, wet rolling and application of screening (C) Dry rolling, application of screening, wet rolling and application of filler (D) Dry rolling, application of screening, application of filler and wet rolling

For the construction of water bound macadam roads, the correct sequence of operations after
spreading coarse aggregates is
(A) Dry rolling, wet rolling, application of screening and application of filler
(B) Dry rolling, application of filler, wet rolling and application of screening
(C) Dry rolling, application of screening, wet rolling and application of filler
(D) Dry rolling, application of screening, application of filler and wet rolling
by

1 Answer

Answer :

Answer: Option C
by

Related questions

Describe stepwise construction procedure for water bound macadam roads.

Description : Describe stepwise construction procedure for water bound macadam roads.

Last Answer : The construction procedure of W.B.M. road is discussed below: 1. Preparation of subgrade : The subgrade is prepared to the required grade and camber. 2. Preparation of the base course : After preparing ... by rolling or tamping. 5. Open to traffic : After drying, the road is opened to traffic.

The aggregates required for one kilometre length of water bound macadam road per meter width and for 10 mm thickness is (A) 8 cubic meter (B) 10 cubic meter (C) 12 cubic meter (D) 15 cubic meter

Description : The aggregates required for one kilometre length of water bound macadam road per meter width and for 10 mm thickness is (A) 8 cubic meter (B) 10 cubic meter (C) 12 cubic meter (D) 15 cubic meter

Last Answer : Answer: Option C

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

The desirable camber for straight roads with water bound macadam or gravel surface, is (A) 1 in 33 to 1 in 25 (B) 1 in 40 to 1 in 33 (C) 1 in 150 to 1 in 140 (D) 1 in 160 to 1 in 140

Description : The desirable camber for straight roads with water bound macadam or gravel surface, is (A) 1 in 33 to 1 in 25 (B) 1 in 40 to 1 in 33 (C) 1 in 150 to 1 in 140 (D) 1 in 160 to 1 in 140

Last Answer : Answer: Option B

Following type of pavement is generally known as flexible pavement (A) Water-bound macadam roads (B) Stabilised soil roads (C) Road constructed with various layers of building material well compacted (D) All the above

Description : Following type of pavement is generally known as flexible pavement (A) Water-bound macadam roads (B) Stabilised soil roads (C) Road constructed with various layers of building material well compacted (D) All the above

Last Answer : Answer: Option D

For Indian conditions, the water bound macadam roads, are suitable if daily traffic does not exceed (A) 2000 tonnes (B) 2500 tonnes (C) 3000 tonnes (D) 3500 tonnes

Description : For Indian conditions, the water bound macadam roads, are suitable if daily traffic does not exceed (A) 2000 tonnes (B) 2500 tonnes (C) 3000 tonnes (D) 3500 tonnes

Last Answer : Answer: Option A

In water bound macadam roads, binding material, is (A) Sand (B) Stone dust (C) Cement(D) Brick dust

Description : In water bound macadam roads, binding material, is (A) Sand (B) Stone dust (C) Cement (D) Brick dust

Last Answer : Answer: Option B

The camber of shoulders in water bound macadam roads is (A) Equal to the cross slope of pavement (B) Less than the cross slope of pavement (C) Greater than the cross slope of pavement (D) Zero

Description : The camber of shoulders in water bound macadam roads is (A) Equal to the cross slope of pavement (B) Less than the cross slope of pavement (C) Greater than the cross slope of pavement (D) Zero

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

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

For preparing a test-specimen, it is necessary (A) To mix cement and fine aggregate by dry hand (B) To mix coarse aggregates (C) To mix water to the cement, fine aggregates and coarse aggregates (D) All the above

Description : For preparing a test-specimen, it is necessary (A) To mix cement and fine aggregate by dry hand (B) To mix coarse aggregates (C) To mix water to the cement, fine aggregates and coarse aggregates (D) All the above

Last Answer : Answer: Option D

Which of the following premix methods is used for base course? (A) Bituminous carpet (B) Mastic asphalt (C) Sheet asphalt (D) Bituminous bound macadam

Description : Which of the following premix methods is used for base course? (A) Bituminous carpet (B) Mastic asphalt (C) Sheet asphalt (D) Bituminous bound macadam

Last Answer : Answer: Option D

The function of aggregates in concrete is to serve as (a) Binding material (b) Filler (c) Catalyst (d) All the above

Description : The function of aggregates in concrete is to serve as (a) Binding material (b) Filler (c) Catalyst (d) All the above

Last Answer : (b) Filler

Pick up the correct statement from the following: (A) Plain cement concrete is equally strong in compression as well as in tension (B) Slump test is performed to check concrete strength (C) Curing of concrete is done for proper compaction of cement (D) Fineness modulus is the index number expressing the relative sizes of both coarse and fine aggregates

Description : Pick up the correct statement from the following: (A) Plain cement concrete is equally strong in compression as well as in tension (B) Slump test is performed to check concrete strength (C ... D) Fineness modulus is the index number expressing the relative sizes of both coarse and fine aggregates

Last Answer : Option D

Which of the following statement is correct (a) The maximum size of coarse aggregate should not exceed one fourth of the minimum dimension of the plain concrete member. (b) The maximum size of coarse aggregate should not exceed one fifty of the minimum dimension of the reinforced concrete member (c)The aggregates of 40mm, 20mm and 10mm sizes are commonly used for concrete works (d) All the above

Description : Which of the following statement is correct (a) The maximum size of coarse aggregate should not exceed one fourth of the minimum dimension of the plain concrete member. (b) The maximum size of coarse ... aggregates of 40mm, 20mm and 10mm sizes are commonly used for concrete works (d) All the above

Last Answer : (d) All the above

For better strength and stability, the fine grained soils and coarse grained soils are compacted respectively as (A) Dry of OMC and wet of OMC (B) Wet of OMC and dry of OMC (C) Wet of OMC and wet of OMC (D) Dry of OMC and dry of OMC where OMC is optimum moisture content

Description : For better strength and stability, the fine grained soils and coarse grained soils are compacted respectively as (A) Dry of OMC and wet of OMC (B) Wet of OMC and dry of OMC (C) Wet of OMC and wet of OMC (D) Dry of OMC and dry of OMC where OMC is optimum moisture content

Last Answer : Answer: Option B

If 50 kg of fine aggregates and 100 kg of coarse aggregates are mixed in a concrete whose water cement ratio is 0.6, the weight of water required for harsh mix, is (A) 8 kg (B) 10 kg (C) 12 kg (D) 14 kg

Description : If 50 kg of fine aggregates and 100 kg of coarse aggregates are mixed in a concrete whose water cement ratio is 0.6, the weight of water required for harsh mix, is (A) 8 kg (B) 10 kg (C) 12 kg (D) 14 kg

Last Answer : Answer: Option C

If P, Y and Z are the weights of cement, fine aggregates and coarse aggregates respectively and W/C is the water cement ratio, the minimum quantity of water to be added to first batch, is obtained by the equation (A) 0.1P + 0.3Y + 0.1Z = W/C × P (B) 0.3P + 0.1Y + 0.01Z = W/C × P (C) 0.4P + 0.2Y + 0.01Z = W/C × P (D) 0.5P + 0.3Y + 0.01Z = W/C × P

Description : If P, Y and Z are the weights of cement, fine aggregates and coarse aggregates respectively and W/C is the water cement ratio, the minimum quantity of water to be added to first batch, is obtained by the equation (A) 0.1P + 0.3Y + 0. ... + 0.2Y + 0.01Z = W/C P (D) 0.5P + 0.3Y + 0.01Z = W/C P

Last Answer : Answer: Option B

Internal friction between the ingredients of concrete, is decreased by using (A) Less water (B) Fine aggregates (C) Rich mix (D) More water and coarse aggregates

Description : Internal friction between the ingredients of concrete, is decreased by using (A) Less water (B) Fine aggregates (C) Rich mix (D) More water and coarse aggregates

Last Answer : Answer: Option D

Concrete gains strength due to (A) Chemical reaction of cement with sand and coarse aggregates (B) Evaporation of water from concrete (C) Hydration of cement (D) All the above

Description : Concrete gains strength due to (A) Chemical reaction of cement with sand and coarse aggregates (B) Evaporation of water from concrete (C) Hydration of cement (D) All the above

Last Answer : Answer: Option C

The internal friction between the ingredients to concrete is minimized by (a) Adopting coarse aggregates (b) Using more water (c) Reducing the surface area (d) All of these

Description : The internal friction between the ingredients to concrete is minimized by (a) Adopting coarse aggregates (b) Using more water (c) Reducing the surface area (d) All of these

Last Answer : (d) All of these

Concrete gains strength due to [ A ] Chemical reaction of cement with sand and coarse aggregates [ B ] Evaporation of water from concrete [ C ] Hydration of cement [ D ] All the above

Description : Concrete gains strength due to [ A ] Chemical reaction of cement with sand and coarse aggregates [ B ] Evaporation of water from concrete [ C ] Hydration of cement [ D ] All the above

Last Answer : [ C ] Hydration of cement

Consider the following operations: 1. Drilling 2. Blasting 3. Mucking 4. Placing steel 5. Placing concrete The correct sequence of these operations in tunnel construction is (A) 1, 2, 4, 3, 5 (B) 1, 3, 2, 4, 5 (C) 1, 2, 3, 4, 5 (D) 1, 3, 4, 2,

Description : Consider the following operations: 1. Drilling 2. Blasting 3. Mucking 4. Placing steel 5. Placing concrete The correct sequence of these operations in tunnel construction is (A) 1, 2, 4, 3, 5 (B) 1, 3, 2, 4, 5 (C) 1, 2, 3, 4, 5 (D) 1, 3, 4, 2,

Last Answer : (C) 1, 2, 3, 4, 5

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

The percentage of the aggregate of F.M. 2.6 to be combined with coarse aggregate of F.M. 6.8 for obtaining the aggregates of F.M. 5.4, is (A) 30 % (B) 40 % (C) 50 % (D) 60 %

Description : The percentage of the aggregate of F.M. 2.6 to be combined with coarse aggregate of F.M. 6.8 for obtaining the aggregates of F.M. 5.4, is (A) 30 % (B) 40 % (C) 50 % (D) 60 %

Last Answer : (C) 50 %

For ensuring quality of concrete, use (A) Single sized aggregates (B) Two sized aggregate (C) Graded aggregates (D) Coarse aggregates

Description : For ensuring quality of concrete, use (A) Single sized aggregates (B) Two sized aggregate (C) Graded aggregates (D) Coarse aggregates

Last Answer : (C) Graded aggregates

If X, Y and Z are the fineness modulli of coarse, fine and combined aggregates, the percentage (P) of fine aggregates to combined aggregates, is (A) P = [(Z - X)/(Z - Y)] × 100 (B) P = [(X - Z)/(Z - Y)] × 100 (C) P = [(X - Z)/(Z + Y)] × 100 (D) P = [(Z + X)/(Z - Y)] × 100

Description : If X, Y and Z are the fineness modulli of coarse, fine and combined aggregates, the percentage (P) of fine aggregates to combined aggregates, is (A) P = [(Z - X)/(Z - Y)] × 100 (B) P = [(X - Z)/(Z - Y)] × 100 (C) P = [(X - Z)/(Z + Y)] × 100 (D) P = [(Z + X)/(Z - Y)] × 100

Last Answer : Option B

Separation of coarse aggregates from mortar during transportation, is known (A) Bleeding (B) Creeping (C) Segregation (D) Shrinkage

Description : Separation of coarse aggregates from mortar during transportation, is known (A) Bleeding (B) Creeping (C) Segregation (D) Shrinkage

Last Answer : Answer: Option C

I.S. Sieve Nos. 10 mm and 4.75 mm are generally used for grading of (A) Coarse aggregates (B) Fine aggregates (C) Neither (a) nor (b) (D) Both (a) and (b)

Description : I.S. Sieve Nos. 10 mm and 4.75 mm are generally used for grading of (A) Coarse aggregates (B) Fine aggregates (C) Neither (a) nor (b) (D) Both (a) and (b)

Last Answer : Answer: Option D

In the method of voids for determination of the quantity of cement paste, it is assumed that (A) Voids in coarse aggregates are filled by fine aggregates (B) Voids in fine aggregates are filled by the cement paste (C) Volume of fine aggregates is equal to total voids in coarse aggregates plus 10% extra (D) All the above

Description : In the method of voids for determination of the quantity of cement paste, it is assumed that (A) Voids in coarse aggregates are filled by fine aggregates (B) Voids in fine aggregates are filled by ... of fine aggregates is equal to total voids in coarse aggregates plus 10% extra (D) All the above

Last Answer : Answer: Option D

The maximum amount of dust which may be permitted in aggregates is (A) 5% of the total aggregates for low workability with a coarse grading (B) 10% of the total aggregates for low workability with a fine grading (C) 20% of the total aggregates for a mix having high workability with fine grading (D) All the above

Description : The maximum amount of dust which may be permitted in aggregates is (A) 5% of the total aggregates for low workability with a coarse grading (B) 10% of the total aggregates for low workability with ... of the total aggregates for a mix having high workability with fine grading (D) All the above

Last Answer : Answer: Option D

Index number expressing the relative sizes of both coarse and fine aggregates, is called (A) Proportioning of aggregates (B) Fineness modulus (C) Grading of aggregates (D) None of these

Description : Index number expressing the relative sizes of both coarse and fine aggregates, is called (A) Proportioning of aggregates (B) Fineness modulus (C) Grading of aggregates (D) None of these

Last Answer : Answer: Option B

The proportion of coarse aggregates to fire aggregates in structural concrete is usually [ A ] 0.50 - 1.25 [ B ] 1.25 - 4.50 [ C ] 1.50 - 2.50 [ D ] 0.25 - 0.75

Description : The proportion of coarse aggregates to fire aggregates in structural concrete is usually [ A ] 0.50 - 1.25 [ B ] 1.25 - 4.50 [ C ] 1.50 - 2.50 [ D ] 0.25 - 0.75

Last Answer : [ C ] 1.50 - 2.50

The road foundation for modern highways construction, was developed by (A) Tresguet (B) Telford (C) Tresguet and Telford simultaneously (D) Telford and Macadam simultaneously

Description : The road foundation for modern highways construction, was developed by (A) Tresguet (B) Telford (C) Tresguet and Telford simultaneously (D) Telford and Macadam simultaneously

Last Answer : Answer: Option D

Pick out the wrong statement. (A) Recycled coarse material to the grinder by a classifier is termed as circulating load (B) Wear and tear in wet crushing is more than that in dry crushing of materials (C) Size enlargement (opposite of size reduction) is not a mechanical operation (D) A 'dust catcher' is simply an enlargement in a pipeline which permits the solids to settle down due to reduction in velocity of the dust laden gas

Description : Pick out the wrong statement. (A) Recycled coarse material to the grinder by a classifier is termed as circulating load (B) Wear and tear in wet crushing is more than that in dry crushing of ... a pipeline which permits the solids to settle down due to reduction in velocity of the dust laden gas

Last Answer : (C) Size enlargement (opposite of size reduction) is not a mechanical operation

Pick out the wrong statement: (A) Magnetic separation method can be employed to treat both dry & wet ores (B) Reduction ratio in crushing operation is defined as the ratio of minimum feed size to the maximum product size (C) Gyratory crusher is used for coarse crushing (D) Screens are of stationary, moving and vibratory types

Description : Pick out the wrong statement: (A) Magnetic separation method can be employed to treat both dry & wet ores (B) Reduction ratio in crushing operation is defined as the ratio of minimum feed ... ) Gyratory crusher is used for coarse crushing (D) Screens are of stationary, moving and vibratory types

Last Answer : (B) Reduction ratio in crushing operation is defined as the ratio of minimum feed size to the maximum product size

Pick up the correct statement from the following: (A) The dry density reduces by addition of water after attaining optimum moisture content (B) The line joining the peak of three moisture content graphs obtained by using three compactive energies, is called line of optimus (C) Well graded coarse grained soils can be compacted to a very high density as compared to fine grained soils (D) All the above

Description : Pick up the correct statement from the following: (A) The dry density reduces by addition of water after attaining optimum moisture content (B) The line joining the peak of three moisture content graphs ... be compacted to a very high density as compared to fine grained soils (D) All the above

Last Answer : Answer: Option D

On most smooth hard surfaced roads, rolling resistance to moving vehicles, ranges from (A) 5 kg to 7 kg/tonne (B) 7 kg to 9 kg/tonne (C) 9 kg to 11 kg/tonne (D) 11 kg to 13 kg/tonne

Description : On most smooth hard surfaced roads, rolling resistance to moving vehicles, ranges from (A) 5 kg to 7 kg/tonne (B) 7 kg to 9 kg/tonne (C) 9 kg to 11 kg/tonne (D) 11 kg to 13 kg/tonne

Last Answer : Answer: Option C

Super-elevation on roads in snow bound areas, should generally not exceed (A) 15 % (B) 12 % (C) 10 % (D) 7 %

Description : Super-elevation on roads in snow bound areas, should generally not exceed (A) 15 % (B) 12 % (C) 10 % (D) 7 %

Last Answer : Answer: Option D

Illustrate the effect of properties of coarse aggregates on compressive strength of concrete.

Description : Illustrate the effect of properties of coarse aggregates on compressive strength of concrete.

Last Answer : Effect of properties of coarse aggregates on compressive strength of concrete. i. Size of aggregate: If coarse aggregate particles are of large size (say 20 mm) in concrete mixture , then ... of strength. But if water absorption is less concrete becomes as per proportion giving required strength.

Pick up the correct statement from the following: (A) The theory of formation of concrete is based on the phenomena of formation of voids (B) The bulking of sand is taken into account while volumetric proportioning of the aggregates (C) The dry sand and the sand completely flooded with water, have practically the same volume (D) All the above

Description : Pick up the correct statement from the following: (A) The theory of formation of concrete is based on the phenomena of formation of voids (B) The bulking of sand is taken into account while ... sand and the sand completely flooded with water, have practically the same volume (D) All the above

Last Answer : Answer: Option D

Pick up the correct statement from the following: (A) Bulking of sand is caused due to formation of a thin film of surface moisture (B) Fine sand bulks more than coarse sand (C) The volume of fully saturated sand, is equal to the volume of dry and loose sand (D) All the above

Description : Pick up the correct statement from the following: (A) Bulking of sand is caused due to formation of a thin film of surface moisture (B) Fine sand bulks more than coarse sand (C) The volume of fully saturated sand, is equal to the volume of dry and loose sand (D) All the above

Last Answer : Answer: Option D

Pick up the correct statement from the following: (A) Adding 5% to 6% of moisture content by weight, increases the volume of dry sand from 18% to 38% (B) The bulking of fine sand is more than that of coarse sand (C) If the percentage content of moisture exceeds 10%, increase in bulk of sand starts increasing (D) All the above

Description : Pick up the correct statement from the following: (A) Adding 5% to 6% of moisture content by weight, increases the volume of dry sand from 18% to 38% (B) The bulking of fine sand is ... the percentage content of moisture exceeds 10%, increase in bulk of sand starts increasing (D) All the above

Last Answer : Answer: Option D

Which one of the following statements is correct? (a) Adding 5% to 6% of moisture by weight increases the volume of dry sand from 18% to 38% (b) The bulking of fine sand is more than that of coarse sand (c ) Volume of fully saturated sand is equal to that of dry sand (d) All of the above

Description : Which one of the following statements is correct? (a) Adding 5% to 6% of moisture by weight increases the volume of dry sand from 18% to 38% (b) The bulking of fine sand is more than that of coarse sand (c ) Volume of fully saturated sand is equal to that of dry sand (d) All of the above

Last Answer : (d) All of the above

The protists have (a) only free nucleic acid aggregates(b) membrane bound nucleoproteins lying embedded in the cytoplasm (c) gene containing nucleoproteins condensed together in loose mass (d) nucleoprotein in direct contact with the rest of the cell substance.

Description : The protists have (a) only free nucleic acid aggregates (b) membrane bound nucleoproteins lying embedded in the cytoplasm (c) gene containing nucleoproteins condensed together in loose mass (d) nucleoprotein in direct contact with the rest of the cell substance.

Last Answer : (b) membrane bound nucleoproteins lying embedded in the cytoplasm

For the construction of cement concrete dams, the maximum permissible size of the aggregates, is (A) 40 mm (B) 50 mm (C) 60 mm (D) 70 mm

Description : For the construction of cement concrete dams, the maximum permissible size of the aggregates, is (A) 40 mm (B) 50 mm (C) 60 mm (D) 70 mm

Last Answer : Answer: Option A

For dam construction the size of aggregates are (a) 40mm (b) 50mm (c) 60mm (d) 75mm

Description : For dam construction the size of aggregates are (a) 40mm (b) 50mm (c) 60mm (d) 75mm

Last Answer : (a) 40mm

After fixing the plane table to the tripod, the main operations which are needed at each plane table station are (i) Levelling (ii) Orientation (iii) Centering The correct sequence of these operations is (A) (i), (ii), (iii) (B) (i), (iii), (ii) (C) (iii), (i), (ii) (D) (ii), (iii), (i)

Description : After fixing the plane table to the tripod, the main operations which are needed at each plane table station are (i) Levelling (ii) Orientation (iii) Centering The correct sequence of these operations is (A) (i), (ii), (iii) (B) (i), (iii), (ii) (C) (iii), (i), (ii) (D) (ii), (iii), (i)

Last Answer : (B) (i), (iii), (ii)

Driving vehicles on wet surfaced roads, is dangerous because it may (A) Skid (B) Slip (C) Overturn (D) All the above

Description : Driving vehicles on wet surfaced roads, is dangerous because it may (A) Skid (B) Slip (C) Overturn (D) All the above

Last Answer : Answer: Option B

In order to prepare a test specimen, it is necessary to (a) Mix the cement and fine aggregate (sand ) dry hand (b) Mix the coarse aggregate (c) Mix water to the cement, fine aggregate and coarse aggregate (d) All of the above

Description : In order to prepare a test specimen, it is necessary to (a) Mix the cement and fine aggregate (sand ) dry hand (b) Mix the coarse aggregate (c) Mix water to the cement, fine aggregate and coarse aggregate (d) All of the above

Last Answer : (d) All of the above