To obtain a very high strength concrete, use very fine grained
(A) Granite
(B) Magnetite
(C) Barite
(D) Volcanic

1 Answer

Answer :

Answer: Option A

Related questions

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

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

Description : Select the incorrect statement. Effective angle of shearing resistance (A) Increases as the size of particles increases (B) Increases as the soil gradation improves (C) Is limited to a maximum value of 45° (D) Is rarely more than 30° for fine grained soil

Last Answer : (C) Is limited to a maximum value of 45°

Description : The most suitable method for drainage of fine grained cohesive soils is (A) Well point system (B) Vacuum method (C) Deep well system (D) Electro-osmosis method

Last Answer : Answer: Option D

Description : Pick up the correct statement about silt soil from the following: (A) The silt soil has particle size from 0.02 mm to 0.06 mm (B) In organic fine grained silt soil possesses no ... The least plastic type normally consists of more or less equidimensional grains of quartz (D) All the above

Last Answer : Answer: Option D

Description : The rock that results from solidification of molten lava from a volcano is an example of Which of the following? (1) Igneous rocks (2) Granite Rock (3) Basalt Rock (4) Magnetite

Last Answer : (1) Igneous rocks Explanation: Igneous rocks are formed through the cooling and solidification of magma (or lava).

Description : The rock that results from solidification of molten lava from a volcano is an example of which of the following? (1) Igneous Rock (2) Granite Rock (3) Basalt Rock (4) Magnetite

Last Answer : (1) Igneous Rock Explanation: Igneous rocks are formed through the cooling and solidification of magma (or lava). As hot, molten rock rises to the surface, it undergoes changes in temperature and ... Earth's crust. However, some are also formed on the surface as a result of volcanic activity.

Description : The rock that results from solidification of molten lava from a volcano is an example of which of the following ? (1) Igneous Rock (2) Granite Rock (3) Basalt Rock (4) Magnetite

Last Answer : Igneous Rock 

Description : Pick up the volcanic rock from the following: (A) Granite (B) Dolerite (C) Basalt (D) All the above

Last Answer : Answer: Option C

Description : Fine grained steels have (A) High brittleness (B) Higher tendency to distort (C) High ductility (D) None of these

Last Answer : (C) High ductility

Description : Pick up the correct statement from the following: (A) The permeability of the coarse-grained soils may be reduced by grouting (B) The process of injecting fluids (i.e. grouts) into the pores space of the soil is called grouting (C) The grouting increases the soil strength (D) All the above

Last Answer : Answer: Option D

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

Description : C.R.R.I. charts are used to obtain a relationship between strength of concrete and (A) Water cement ratio (B) Workability (C) Grading of aggregate (D) Fineness modulus

Last Answer : Answer: Option A

Description : What is the origin on fine grained igneous rock?

Last Answer : Need answer

Description : Which of the following characteristics is not true of alluvial soils? (a) These vary from sandy loam to clay in texture (b) These are generally rich in phosphorus but poor in potash (c) These are usually fine grained (d) These are by far the most fertile

Last Answer : Ans: (b)

Description : What is Fine Grained Access Control? (for DBA

Last Answer : See question "What is a Virtual Private Database".

Description : What is Fine Grained Auditing? (for DBA

Last Answer : Fine Grained Auditing (DBMS_FGA) allows auditing records to be generated when certain rows are selected from a table. A list of defined policies can be obtained from DBA_AUDIT_POLICIES. Audit ... that triggered the auditing condition... select sqltext from sys.fga_log$; delete from sys.fga_log$;

Description : What is fine grained multithreading?

Last Answer : This multithreading switch between threads on each instruction, resulting in interleaved execution of multiple treads

Description : .................. executes must frequently and makes the fine grained decision of which process to execute the next. A) Long-term scheduling B) Medium-term scheduling C) Short-term scheduling D) None of the above

Last Answer : C) Short-term scheduling

Description : Which of the following describes the Gabbro? (A) fine-grained, dark-colored igneous rock poor in silica (B) Coarse-grained, dark-colored igneous rock poor in silica (C) Fine-grained, dark-colored igneous rock rich in silica (D) Coarse -grained, dark-colored igneous rock rich in silica

Last Answer : Coarse-grained, dark-colored igneous rock poor in silica

Description : Write step by step procedure to determine coefficient of permeability of fine grained soil by falling head method in laboratory.

Last Answer : This method is suitable for fine grained soil as quantity of water collected through soil mass is very less and cannot be measured accurately 2. The falling head test is used for relatively less permeable ... equal to the difference of water level in the stand pipe and the bottom tank. 

Description : What do mean by coarse grain soil and fine grained soil.

Last Answer : Coarse Grain Soil:- 1. If more than 50% of soil is retained on sieve 0.075mm it is called as coarse grain soil. 2. A coarse grain soil is called as gravel if 50% or more of the ... liquid limit is less than 50% or more than 50% respectively. Organic soil are also included in fine grain soil.

Description : Name the extremely fine-grained, wind-blown clay particularly characteristic of the arid and semi-arid southwestern United States, Mexico and South America. This material was used by the southwestern Indians and Mexicans for constructing huts and buildings from prehistoric times.

Last Answer : ANSWER: ADOBE

Description : Is it desirable to use concrete of very high strength i.e. exceeding 60MPa? What are the potential problems associated with such high strength concrete?

Last Answer : To increase the strength of concrete, say from 40MPa to 80MPa, it definitely helps in improving the structural performance of the structure by producing a denser, more durable and higher load ... Moreover, owing to a low aggregate content of high strength concrete, creep and shrinkage increases.

Description : Coarse grained steels have (A) Low toughness (B) No tendency to distort (C) High density (D) Very high toughness

Last Answer : (B) No tendency to distort

Description : Granite is not suitable for ordinary building purpose because (A) It cannot be polished (B) It is not a fire proof material (C) It is costly (D) It has less crushing strength

Last Answer : Answer: Option C

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

Last Answer : Answer: Option B

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

Last Answer : Answer: Option A

Description : The predominant constituent which is responsible for strength in granite is (A) Quartz (B) Felspar (C) Mica (D) None of the above

Last Answer : Answer: Option A

Description : Coarse grained soils are best compacted by a (A) Drum roller (B) Rubber tyred roller (C) Sheep's foot roller (D) Vibratory roller

Last Answer : (D) Vibratory roller

Description : A coarse-grained soil has a voids ratio 0.75, and specific gravity as 2.75. The critical gradient at which quick sand condition occurs, is (A) 0.25 (B) 0.50 (C) 0.75 (D) 1.00

Last Answer : (D) 1.00

Description : Which of the following methods is best suited for determination of permeability of coarse-grained soils? (A) Constant head method (B) Falling head method (C) Both the above (D) None of the above

Last Answer : Answer: Option A

Description : Select the incorrect statement. (A) Effective cohesion of a soil can never have a negative value. (B) Effective angle of internal friction for coarse grained soils is rarely below 30°. (C ... (D) Effective angle of internal friction is a complicated function of mineralogy and clay size content.

Last Answer : Answer: Option A

Description : The angle of internal friction is maximum for (A) angular-grained loose sand (B) angular-grained dense sand (C) round-grained dense sand (D) round-grained loose sand

Last Answer : Answer: Option B

Description : The angle of internal friction, is least for (A) Angular-grained loose sand (B) Angular -grained dense sand (C) Round-grained loose sand (D) Clays

Last Answer : Answer: Option D

Description : Minimum of 40% of iron, is available in (A) Magnetite (B) Red haematite (C) Limonite (D) Black band

Last Answer : Answer: Option D

Description : Upto a maximum of 72% of iron, is available in (A) Magnetite (B) Limonite (C) Siderite (D) Iron pyrites

Last Answer : Answer: Option A

Description : Cement pressure grouting is suitable for a) Very fine crack b) weathered concrete c) Active crack where cause of crack is known and remedial action has been taken* d) Crushed masonry

Last Answer : c) Active crack where cause of crack is known and remedial action has been taken

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

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

Description : In order to obtain the best workability of concrete, the preferred shape of aggregate is (A) Rounded (B) Elongated (C) Angular (D) All of the above

Last Answer : Answer: Option A

Description : In a pre-stressed member it is advisable to use (A) Low strength concrete only (B) High strength concrete only (C) Low strength concrete but high tensile steel (D) High strength concrete and high tensile

Last Answer : Answer: Option D

Description : High strength concrete is used in pre-stressed member (A) To overcome high bearing stresses developed at the ends (B) To overcome bursting stresses at the ends (C) To provide high bond stresses (D) All the above

Last Answer : Answer: Option D

Description : High temperature (A) Increases the strength of concrete (B) Decreases the strength of concrete (C) Has no effect on the strength of concrete (D) None of these

Last Answer : Answer: Option B

Description : The type of aggregates not suitable for high strength concrete and for pavements subjected to tension, is (A) Rounded aggregate (B) Irregular aggregate (C) Angular aggregate (D) Flaky aggregat

Last Answer : Answer: Option A

Description : ick up the incorrect statement from the following: (A) Admixtures accelerate hydration (B) Admixtures make concrete water proof (C) Admixtures make concrete acid proof (D) Admixtures give high strength

Last Answer : Answer: Option A

Description : If high yield strength deformed bars are used, the are of distribution reinforcement in slabs, should not less than. (a) 0.12% of the gross area of concrete (b) 0.15% of the gross area of concrete (c) 0.18% of the gross area of concrete (d) 0.20% of the gross area of concrete

Last Answer : (a) 0.12% of the gross area of concrete

Description : The concrete without any reinforcement has _______________tensile strength (a) High (b) Medium (c) Low (d) All the above

Last Answer : (c) Low

Description : High strength of concrete requires a water cement ratio of [ A ] 0.10 to 0.15 [ B ] 0.25 to 0.30 [ C ] 0.45 to 0.60 [ D ] 0.75 to 0.90

Last Answer : [ B ] 0.25 to 0.30

Description : The plasticity of fine soils may be assessed by means of (A) Dry strength test (B) Toughness test (C) Dilatancy test (D) All of these

Last Answer : Answer: Option D