Description : The resistance of an aggregates to wear is known as (a) Shear value (b) Crushing value (c)Abrasion value (d) Impact value
Last Answer : (c)Abrasion value
Description : Which of the following tests measures the toughness of road aggregates? (A) Crushing strength test (B) Abrasion test (C) Impact test (D) Shape test
Last Answer : Answer: Option C
Description : Log Angles machine is used to test the aggregate for (A) Crushing strength (B) Impact value (C) Abrasion resistance (D) Water absorption
Description : Los Angles machine is used to perform (a) Crushing strength (b) Impact test (c) Water absorption (d) Abrasion resistance test
Last Answer : (d) Abrasion resistance 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
Description : M10 index of coke indicates its (A) Compressive strength (B) Hardness (C) Abrasion resistance (D) Impact strength
Last Answer : Option C
Description : M10 index of coke indicates its (A) Compressive strength (B) Hardness (C) Abrasion resistance (D) Impact strength Answer: Option C
Description : 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 ... (C) Crushing test is done to find out the compressive strength of the stone (D) All the above
Last Answer : Answer: Option D
Description : Slump test of concrete is a measure of its (A) Consistency (B) Compressive strength (C) Tensile strength (D) Impact value
Last Answer : (A) Consistency
Description : Slump test of concrete is a measure of its [ A ] Consistency [ B ] Compressive strength [ C ] Tensile strength [ D ] Impact value
Last Answer : [ A ] Consistency
Description : 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
Last Answer : Answer: Option B
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.
Description : When equal and opposite forces applied to a body, tend to elongate it, the stress so produced, is called (A) Shear stress (B) Compressive stress (C) Tensile stress (D) Transverse stress
Last Answer : (C) Tensile stress
Description : On the sea shore structures, the water wave impact causes (A) Direct compressive force due to its horizontal component (B) Shear force due to deflected vertical force (C) Compressive force due to collapse of the wave (D) All of the above
Last Answer : (D) All of the above
Description : The maximum allowable Los Angeles abrasion value for high quality surface course is (A) 10 % (B) 20 % (C) 30 % (D) 45 %
Description : Crushing of mineral particles is accomplished in a 'cage mill', when one or more alloy steel bars are revolved in opposite directions. It is a type of __________ mill. (A) Impact (B) Roll (C) Vibratory (D) None of these
Last Answer : (A) Impact
Description : In case of a hammer crusher, (A) Crushing takes place by impact breaking (B) Maximum acceptable feed size is 30 cms (C) Reduction ratio can be varied by adjusting the distance from cage to hammers (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : Nylon-6 as compared to nylon 66 has lower (A) Abrasion resistance (B) Thermal stability (C) Adhesion to rubber (D) Hardness
Last Answer : (A) Abrasion resistance
Description : Presence of manganese in alloy steel improves its (A) Corrosion resistance (B) Cutting ability (C) Abrasion resistance & toughness (D) Elasticity & creep resistance
Last Answer : (C) Abrasion resistance & toughness
Description : Higher percentage of ash in coal meant for the production of metallurgical grade coke (A) Decreases the hardness of coke (B) Decreases the abrasion resistance of coke (C) Causes brittleness in steel (D) None of these
Last Answer : (D) None of these
Description : Increase in ash content of blast furnace coke (A) Reduces its consumption in the furnace (B) Increases its consumption in the furnace (C) Does not affect its consumption in the furnace (D) Decreases its hardness and abrasion resistance
Last Answer : (B) Increases its consumption in the furnace
Description : High ash containing coke (A) Produces more slag when used in the blast furnace (B) Has poor strength and abrasion resistance (C) Is desirable in producer gas manufacture (D) None of these
Last Answer : (A) Produces more slag when used in the blast furnace
Description : Nylon-6 as compared to Nylon-66 is having higher (A) Hardness (B) Abrasion/resistance (C) Melting point (D) None of these
Description : Non-ferrous alloys used for making cutting tools need not have high (A) Abrasion resistance (B) Toughness (C) Red hardness (D) Cutting speed
Last Answer : (C) Red hardness
Description : The clinical advantage of porcelain laminate veneers over composite resin veneers is: A. Color stability and resistance to abrasion B. Availability of self-curing or light activated placement (yes but not ... dentist's abilities) D. May be used in edge to edge occlusion or Class III relationships.
Last Answer : A. Color stability and resistance to abrasion
Description : A singly reinforced beam has breadth b, effective depth d, depth of neutral axis n and critical neutral axis n1. If fc and ft are permissible compressive and tensile stresses, the moment to resistance of the beam, is (A) bn (fc ... (B) Atft (d - n/3) (C) ½ n1 (1 - n1/3) cbd² (D) All the above
Description : For a balanced section, the moment of resistance obtained from compressive force will be ___________the moment of resistance obtained from the tensile force (a) Greater than (b) Less than (c) Equal to (d) None of these
Last Answer : (c) Equal to
Description : The moment of resistance of an over-reinforcement section is determined on the basis of (a) Compressive force developed in concrete (b) Tensile force developed in steel (c) Both (a) & (b) (d) None of these
Last Answer : (a) Compressive force developed in concrete
Description : The moment of resistance of an under- reinforced section is computer on the basis of (a) Compressive force developed in concrete (b) Tensile force developed in steel (c) Both (a) & (b) (d) All the above
Last Answer : (b) Tensile force developed in steel
Description : If a spring is squashed, then forces are A. extensible B. compressive C. normal D. abnormal
Last Answer : compressive
Description : Set screws are subjected to tensile forces only. a) Yes b) No, they are subjected to compressive forces only c) Both compressive and tensile d) Can’t be determined
Last Answer : b) No, they are subjected to compressive forces only
Description : Shafts are subjected to ______ forces. a) Compressive b) Tensile c) Shear d) None of the listed
Last Answer : b) Tensile
Description : It is a secondary shaft used to counter the direction of main shaft. 81. Shafts are subjected to ______ forces. a) Compressive b) Tensile c) Shear d) twisting
Description : When each particle of aggregates is thinly coated with cement paste, a heterogeneous solid is formed, which is known as (A) Hydration (B) Gel (C) Concrete (D) None of these
Description : Separation of coarse aggregates from mortar during transportation, is known (A) Bleeding (B) Creeping (C) Segregation (D) Shrinkage
Description : The aggregate containing moisture in pores and having its surface dry, is known as (A) Moist aggregates (B) Very dry aggregates (C) Dry aggregates (D) Saturated surface dry aggregate
Description : Define Impact strength and Compressive strength.
Last Answer : Definition: Impact strength - The resistance of a material to fracture by a blow , expressed in terms of the amount of energy absorbed before fracture. The impact strength is ... the maximum compressive stress that a material can sustain without fracture/failure , under gradually applied load.
Description : 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 ... Crushing of explosive materials are done by employing dry-grinding (D) Gyratory crusher is a coarse crusher
Last Answer : (B) Cake resistance is independent of the pressure drop
Description : In case of clamp coupling, power is transmitted by means of, (A) Friction force (B) Shear resistance (C) Crushing resistance (D) None of the above
Last Answer : (A) Friction force
Description : What is the process that tends to build up the land surface by deposition of solid material in its lower areas, known as? a. Abrasion b. Agglomeration c. Aggradation d. Attrition
Last Answer : c. Aggradation
Description : The region of the cross-section of a column in which compressive load may be applied without producing any tensile stress, is known as the core of the cross-section. In circular columns the radius of the core, ... One-third of the radius (C) One-quarter of the radius (D) One-fifth of the radius
Last Answer : (C) One-quarter of the radius
Description : 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 ... content at which a soil flows, is known plastic limit of the soil (D) None of these
Description : In favourable circumstances a 15 cm concrete cube after 28 days, attains a maximum crushing strength (A) 100 kg/cm2 (B) 200 kg/cm2 (C) 300 kg/cm2 (D) 400 kg/cm
Description : Minimum number of 50 kg cement bags per cubic metre of concrete for a mix corresponding to crushing strength 280 kg/cm2 at 28 days, are (A) 5.0 (B) 6.5 (C) 7.0 (D) 7.5
Description : Slacking of lime is affected by (A) Keeping it exposed to air (B) Immersing the lime in water (C) Crushing the lime lumps (D) None of these
Description : 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
Description : Knots in timber are (A) Defects caused by crushing fibres (B) Splits radiating from the centre (C) Speckled strains (D) Signs of branches cut off
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