Pick up the correct statement from the following: (A) Acid test is done to find out the weathering quality of stones (B) Attrition test is done to find out the rate of wear of stones which are used in road construction (C) Crushing test is done to find out the compressive strength of the stone (D) All the above

Pick up the correct statement from the following:
(A) Acid test is done to find out the weathering quality of stones
(B) Attrition test is done to find out the rate of wear of stones which are used in road
construction
(C) Crushing test is done to find out the compressive strength of the stone
(D) All the above
by

1 Answer

Answer :

Answer: Option D
by

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Smith's test of stones is performed to find out (A) The presence of soluble matter of stone (B) The compressive strength of the stone (C) The hardness of the stone (D) The toughness of the stone

Description : Smith's test of stones is performed to find out (A) The presence of soluble matter of stone (B) The compressive strength of the stone (C) The hardness of the stone (D) The toughness of the stone

Last Answer : Answer: Option A

Los Angeles testing machine is used to conduct (A) Abrasion test (B) Impact test (C) Attrition test (D) Crushing strength test

Description : Los Angeles testing machine is used to conduct (A) Abrasion test (B) Impact test (C) Attrition test (D) Crushing strength test

Last Answer : Answer: Option A

Pick up the incorrect statement from the following. For performing compressive strength test of cement (A) Cement and standard sand mortar are used in the ratio of 1 : 3 (B) Water is added at the rate of (P/4) + 3.0 percentage of water where P is the percentage of water for standard consistency (C) A cube mould of 10 cm × 10 cm × 10 cm is used (D) The prepared moulds are kept in a atmosphere of 50% relative humidity

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Last Answer : Answer: Option A

Pick up the correct statement from the following: (A) In stone arches, the stones are placed with their natural beds radial (B) In cornices, the stones are placed with their natural beds as vertical (C) In stone walls, the stones are placed with their natural beds as horizontal (D) All the above

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Last Answer : Answer: Option D

Pick up the correct statement from the following: (A) The average crushing strength of hand moulded bricks is 6000 t/m2 (B) The average tensile strength of hand moulded brick is 200 t/m2 (C) The average shearing strength of hand moulded brick is 600 t/m2 (D) All the above

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Last Answer : Answer: Option D

Which of the following tests measures the toughness of road aggregates? (A) Crushing strength test (B) Abrasion test (C) Impact test (D) Shape test

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The statement, regarding the size of stones used at the wearing surface. "The size of a stone used on a road must be in due proportion to the space occupied by a wheel of ordinary dimensions on a smooth level surface. The point of contact will be found to be longitudinal about 2.5 cm and everypiece of stone put into the road which exceeds 2.5 cm in any of its dimension is mischievous" was made by (A) Telford (B) Macadam (C) Tresguet (D) Sully

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Pick up the correct statement regarding low heat cement from the following: (A) It possesses less compressive strength (B) Its initial setting time is about one hour (C) Its final setting time is about 10 hours (D) All the above

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Last Answer : Answer: Option D

Crushing strength of a good building stone should be more than (A) 50 MPa (B) 100 MPa (C) 150 MPa (D) 200 MPa

Description : Crushing strength of a good building stone should be more than (A) 50 MPa (B) 100 MPa (C) 150 MPa (D) 200 MPa

Last Answer : Answer: Option B

The stone whose crushing strength is least, is (A) Granite (B) Chalk (C) Marble (D) Slate

Description : The stone whose crushing strength is least, is (A) Granite (B) Chalk (C) Marble (D) Slate

Last Answer : Answer: Option B

The stone whose crushing strength is maximum, is (A) Granite (B) Chalk (C) Slate (D) Sand stone

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The pressure acting on the stones in stone masonry construction should be (A) Along the direction of bedding planes (B) At 45° to the direction of bedding planes (C) At 60° to the direction of bedding planes (D) Perpendicular to the direction of bedding planes

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Last Answer : Answer: Option D

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

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Ball mill is used for (A) Crushing (B) Coarse grinding (C) Fine grinding (D) Attrition

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Dorry's testing machine is used for (A) Crushing test of stone (B) Hardness test of stone (C) Impact test of stone (D) Water absorption test

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The resistance of an aggregates to compressive forces is known as (a) Crushing value (b) Impact value (c)Abrasion value (d) None of these

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Log Angles machine is used to test the aggregate for (A) Crushing strength (B) Impact value (C) Abrasion resistance (D) Water absorption

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Last Answer : Answer: Option C

Los Angles machine is used to perform (a) Crushing strength (b) Impact test (c) Water absorption (d) Abrasion resistance test

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Pick up the correct statement from the following: (A) The quality of water governs the strength of concrete (B) 10% excess of water reduces the strength of concrete by 15% (C) 30% excess of water reduces the strength of concrete by 50% (D) All the above

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Pick up the incorrect definition from the following: (A) Ratio of the compressive strength of unconfined undisturbed soil to that of remoulded soil, is known as the sensitivity of the soil sample (B) The rotation of soil particles into stable state while remoulding, is known as the thiostropy of soil (C) The water content at which a soil flows, is known plastic limit of the soil (D) None of these

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Pick up the correct statement from the following: (A) Sand stones may be divided into calcareous, siliceous and ferruginous sand stones (B) Concrete using sand stones, cracks due to excessive shrinkage (C) Broken bricks produce a concrete having good fire resisting qualities (D) All the above

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Pick up the correct statement from the following: (A) Soft stones are required for carving (B) Light stones are required for arches (C) Hard stones are required to stand high pressure (D) All the above

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Pick out the wrong statement. (A) For the compressible cake, voidage & the specific resistance of the cake can be assumed to be constant (B) Cake resistance is independent of the pressure drop (C) Crushing of explosive materials are done by employing dry-grinding (D) Gyratory crusher is a coarse crusher

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Pick up the correct statement from the following: (A) The moment of inertia is calculated about the axis about which bending takes place (B) If tensile stress is less than axial stress, the section experiences compressive stress (C) If tensile stress is equal to axial stress, the section experiences compressive stress (D) All the above

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Pick out the wrong statement pertaining to the properties of glasses. Glasses generally have (A) High electrical insulation properties (B) Sharp melting points (C) Low co-efficient of thermal expansion (D) Compressive strength much greater than their tensile strengths

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A hundred stones are placed, in a straight line, a yard distant from each other. How many yards must a person walk, who undertakes to pick them up, and place them in a basket stationed one yard from the first stone? -Riddles

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Pick out the wrong statement pertaining to the roll crushers. (A) Maximum feed size determines the required roll diameter (B) For hard material's crushing, the reduction ratio should not exceed 4 (C) Both the rolls run necessarily at the same speed (D) Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced

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Unconfmed compressive strength test is (A) Undrained test (B) Drained test (C) Consolidated undrained test (D) Consolidated drained test

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Slump test of concrete is a measure of its (A) Consistency (B) Compressive strength (C) Tensile strength (D) Impact value

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The preliminary test is repeated if the difference of compressive strength of three test specimens, exceeds (A) 5 kg/cm2 (B) 8 kg/cm2 (C) 10 kg/cm2 (D) 15 kg/cm2

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For performing the compressive strength test of cement, the size of cube mould should be (a) 7.06cm (b)75mm (c)80mm (d)All the above

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The compressive strength an ordinary Portland cement (1:3) after 7 days test should not be less than. (a) 11N/mm2 (b) 17.5 N/mm2 (c) 22 N/mm2 (d) 27.5N/m2

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Last Answer : (b) 17.5 N/mm2

For determining the compressive strength test on cement is, the percentage amount of water to be added as (Pa = Percentage of water for required consistency) [ A ] 0.25 Pa + 2.5 [ B ] 0.25 Pa + 3.5 [ C ] 0.35 Pa + 2.5 [ D ] 0.35 Pa + 3.5

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Le-chatelier apparatus is used for [ A ] Fineness test [ B ] Consistency test [ C ] Soundness test [ D ] Compressive strength test

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Slump test of concrete is a measure of its [ A ] Consistency [ B ] Compressive strength [ C ] Tensile strength [ D ] Impact value

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Last Answer : (C) Cutting machines mainly employ 'attrition' for size reduction of solids

Rapid hardening cement is used (a) Where high early strength is desired (b) Where form work is to be removed as early as possible (c) For construction of road pavements. (d) All of the above

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Pick out the correct statement. (A) Plastic chips are called non-cohesive solids (B) Kick's crushing law is, P/m = K . ln (D̅sa /Ds̅b ) (C) Communition is a generic term for size enlargement operation (D) Energy required in kwh per ton of product, such that 80% of it passes through a 200 mesh screen, is called 'Work index'

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Last Answer : (B) Kick's crushing law is, P/m = K . ln (D̅sa /Ds̅b )

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 quality control of Portland cement, the test essentially done is (A) Setting time (B) Tensile strength (C) Consistency (D) All the above

Description : For quality control of Portland cement, the test essentially done is (A) Setting time (B) Tensile strength (C) Consistency (D) All the above

Last Answer : D

A wall constructed with stones to protect slopes of cuttings in natural ground from the action of weathering agents, is called (A) Retaining wall (B) Breast wall (C) Buttress (D) Parapet wall

Description : A wall constructed with stones to protect slopes of cuttings in natural ground from the action of weathering agents, is called (A) Retaining wall (B) Breast wall (C) Buttress (D) Parapet wall

Last Answer : Option B

Pick up the correct statement from the following: (A) The baked earth is called terra-cotta (B) The articles prepared from clay which is burnt at low temperature and cooled down slowly, are called earthen-ware (C) The articles prepared from refractory clays which as mixed with stone and crushed pottery, are called stone ware (D) All the above

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Last Answer : Answer: Option D

Pick up the correct statement from the following: (A) The free quartz suddenly expands at a temperature lower than 600°C (B) The lime stone resists fire upto about 800°C and at higher temperature it splits into CaO and CO2 (C) The sand stone with silicates resist a fire in a better way (D) All the above

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Pick up the correct statement from the following: (A) The distinct plane of division along which a stone can easily be split, is called natural bed of stone (B) The natural bed of sedimentary rocks is along the planes of stratification (C) The natural bed of igneous rocks is not defined (D) All the above

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Pick up the correct statement from the following: (A) Quick lime is obtained by burning pure lime stone (B) Hydraulic lime is obtained by burning lime stone containing clay 5% to 30% (C) Poor lime is obtained by burning lime stone containing impurities more than 5% (D) All the above

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Pick up the incorrect statement from the following: (A) Tresguet did not provide the top camber for the drainage of surface water (B) Tresguet provided the top camber for the drainage of surface water (C) Telford provided two layers of stones in the central 5.4 m width and one layer was provided on the sides (D) Macadam provided a camber to the formation at the dug-up state, to drain percolated water

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