Description : The cracks which extend from bark towards the sap wood in the cross section of a tree, are called (A) Radial shakes (B) Star shakes (C) Heart shakes (D) Cup shakes
Last Answer : Answer: Option B
Description : The radial splits which are wider on the outside of the log and narrower towards the pith are known as (A) Heart shakes (B) Cupshakes (C) Starshakes (D) Rindgalls
Last Answer : Answer: Option C
Description : A pre-stressed concrete member is preferred because (A) Its dimensions are not decided from the diagonal tensile stress (B) Large size of long beams carrying large shear force need not be adopted (C) Removal of cracks in the members due to shrinkage (D) All the above
Last Answer : Answer: Option D
Description : 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
Description : Pick up the correct statement from the following: (A) Construction joints are necessarily planned for their locations (B) Expansion joints are provided to accommodate thermal expansion (C) Construction joints are provided to control shrinkage cracks (D) All the above
Description : The purpose of transverse reinforcement, in a slab is to (a) Distribute the effect to f point load on the slab more evenly and uniformly (b) Distribute the shrinkage and temp cracks more ever (c) Keep the main reinforcement in position (d) All of the above.
Last Answer : (d) All of the above.
Description : Consider the following statements Fibre saturation point in wood is reached when 1. Free water is removed 2. Cell water is removed 3. Shrinkage of wood is rapid 4. Strength gain is rapid Which of these statements are correct? (a) 1, 2 and 3 (b) 1 and 2 only (c) 2 and 4 only (d) 1, 3 and 4
Last Answer : (d) 1, 3 and 4
Description : Shrinkage of concrete depends upon (i) Humidity of atmosphere (ii) Passage of time (iii) Stress The correct answer is (A) (i) and (ii) (B) (ii) and (iii) (C) Only (iii) (D) All (i), (ii) an
Last Answer : Answer: Option A
Description : What kind of transmission medium is most appropriate to carry data in a computer network that is exposed to electrical interferences? a) Unshielded twisted pair b) Optical fiber c) Coaxial cable d) Microwave
Last Answer : b) Optical fiber
Description : Pick up the correct statements from the following: (A) Cracks appear on the plastered surface in the form of hair cracks (B) In brick work, the efflorescence is removed by applying a solution ... Excessive thermal variations in the backing or plaster causes the plaster to fall (D) All the above
Description : Why wood cracks?
Last Answer : The continuous swelling and shrinking cause some issues in wood. When there is high moisture in the air, it is absorbed by the straws in the wood fiber, when there is less moisture in the air the moisture is released by those staws. Due to this swelling and shrinking, there is a crack in the wood.
Description : Littoral drift (A) Is the raised line of sand, parallel to the sea coast (B) Is the slow movement of surface water at sea caused by the wind (C) Is a current parallel to the shore, caused due to tangential component of the wind (D) Is a current perpendicular to the shore line caused due to wind
Last Answer : (C) Is a current parallel to the shore, caused due to tangential component of the wind
Description : Exterior white wood trim: gloss or semi-gloss?
Last Answer : I’d go with gloss, as it would probably withstand the elements better. Try using the highest quality paint you can buy, and then, whether you go semi gloss or gloss really doesn’t make much difference.
Description : Any suggestions for painting exterior wood trim of old house in Ohio?
Last Answer : use this on the windows works great
Description : What are the pros and cons of using exterior cedar wood siding on a home?
Last Answer : Cedar wood siding adds rustic appeal to your home and is a renewable, biodegradable choice for the environmentally conscious. The downside of this natural product is that it is susceptible to decay and needs regular painting or staining.
Description : Which of the following is nota guided medium? A) twisted-pair cable B) coaxial cable C) fiber-optic cable D) atmosphere
Last Answer : atmosphere
Description : Which of the following is not a guided medium? a. twisted-pair cable b. fiber-optic cable c. coaxial cable d. atmosphere
Last Answer : d. atmosphere
Description : Flash floods are caused when (A) the atmosphere is convectively unstable and there is considerable vertical wind shear (B) the atmosphere is stable (C) the atmosphere is convectively unstable with no vertical windshear (D) winds are catabatic
Last Answer : (A) the atmosphere is convectively unstable and there is considerable vertical wind shear
Description : the derivation of Thiem's formula, Q = (S1 - S2)/[2.3 log10( / )] the following assumption is not applicable (A) The aquifer is homogeneous and isotropic (B) Flow lines are radial and ... the water surface is too small (D) The well has been sunk up to the surface of the unconfined aquifer
Description : Exposed portions of vertical surface at right angles to the door or window frame, are known as (A) Jambs (B) Lintels (C) Reveals (D) Soffit
Description : The condition intensifies the spread of perennial propagules of weeds after being exposed by tillage a). Hot weather b). Rainfall c). High light intensity d). High wind
Last Answer : b). Rainfall
Description : 10. “Cleistogamous flowers are invariably autogamous because” (a) These flowers do not open at all. (b) There is no chance of cross – pollen landing on the stigma. (c) These flowers have exposed anthers and stigma. (d) These flowers are wind pollinated.
Last Answer : (a) These flowers do not open at all.
Description : Evaporation from water surfaces exposed to air is not dependent of the: w) velocity of the wind x) humidity y) temperature z) depth of the water
Last Answer : ANSWER: Z -- DEPTH OF THE WATER
Description : Wood is well suited to use as bearing on straw walker cranks in combine due to fact a) Wood corrosion resistance b) Split bearing are needed for practical purpose c) It can take radial as well as thrust loads d) No lubrication is required
Last Answer : b) Split bearing are needed for practical purpose
Description : Which exposed wood will decay faster? (a) Sapwood (b) Softwood (c) Wood with lot of fibres (d) Heartwood
Last Answer : a) Sapwood
Description : Where the water table meets the ground surface groundwater bubbles or flows out of cracks in the rock in openings called?
Last Answer : A natural spring
Description : A metal is exposed to the atmosphere for some time. It becomes coated with green carbonate. The metal must be – (1) silver (2) copper (3) aluminium (4) zinc
Last Answer : (2) copper Explanation: Copper forms a rich variety of compounds with oxidation states +1 and +2, which are often called cuprous and cupric, respectively. It does not react with water, but it ... contrast to the oxidation of iron by wet air, this oxide layer stops the further, bulk corrosion.
Description : Hook link chains are a)suitable for external drive exposed atmosphere b)made of meabble iron c)used where power requirement is low and speed is low d)All of the above
Last Answer : d)All of the above
Description : A metal is exposed to the atmosphere for sometime. It becomes coated with green carbonate. The metal must be (1) silver (2) copper (3) aluminium(4) zinc
Last Answer : copper
Description : What is the advantage of composite over silicate resin: A. Less shrinkage B. Less surface erosion C. Less water absorption D. All of the above
Last Answer : D. All of the above
Description : When hot liquid is poured into a thick glass tumbler, it cracks because glass – (1) is a bad conductor of heat so only inner surface expands (2) has high temperature coefficient of expansion (3) has a very low specific heat (4) has low temperature coefficient of expansion
Last Answer : (1) is a bad conductor of heat so only inner surface expands Explanation: When hot liquid is poured into a thick glass tumbler, it cracks because glass is a bad conductor of heat so only inner surface expands.
Description : In the constant rate period of the rate of drying curve for batch drying, (A) Cracks develop on the surface of the solid (B) Rate of drying decreases abruptly (C) Surface evaporation of unbound moisture occurs (D) None of these
Last Answer : (C) Surface evaporation of unbound moisture occurs
Description : Sulphur in metallurgical coal (A) Contributes to its heating value (B) Affects the quality of steel produced as cracks develop on the surface while rolling the steel (C) Both (A) and (B) (D) Neither (A) nor (B)
Last Answer : (C) Both (A) and (B)
Description : When hot liquid is poured into a thick glass tumbler, it cracks because glass : (1) is a bad conductor of heat so only inner surface expands (2) has high temperature coefficient of expansion (3) has a very low specific heat (4) has low temperature coefficient of expansion
Last Answer : is a bad conductor of heat so only inner surface expands
Description : Suggest one type of materials for water proofing for the following situations. i. Rising dampness in building ii. Leakages in dam iii. Concrete continuously in wet or damp condition iv. Leakages in lavatory ,bathroom and kitchen floor v. Cracks on plastered surface vi. Cracks on roof surface
Last Answer : i. Flexible materials like butyl rubber, hot bitumen (asphalt), plastic sheets, bituminous felts, sheets of lead. ii. Liquid applied cementitious membranes iii. Liquid applied cementitious membranes ... v. Liquid applied cementitious membranes. vi. Brick bat coba, liquid applied bituminous membrane.
Description : The water content in a soil sample when it continues to loose weight without loosing the volume, is called (A) Shrinkage limit (B) Plastic limit (C) Liquid limit (D) Semi-solid limit
Description : The property of the ingredients to separate from each other while placing the concrete is called (A) Segregation (B) Compaction (C) Shrinkage (D) Bulking
Description : The process of keeping the concrete structure moist is called [ A ] Hydration [ B ] Curing [ C ] Creep [ D ] Shrinkage
Last Answer : [ B ] Curing
Description : The process of hardening of concrete in the presence of water is called [ A ] Creep [ B ] Hydration [ C ] Shrinkage [ D ] Curing
Last Answer : [ B ] Hydration
Description : From the internal surface to the external surface, the digestive tube wall is made of mucosa (epithelial tissue responsible for the intestinal absorption), submucosa (connective tissue beneath the ... within the abdominal cavity. Digestion System - Image Diversity: histology of the digestive tube
Last Answer : What is the location of the salivary glands in humans?
Description : In bridge widening projects, the method of stitching is normally employed for connecting existing deck to the new deck. What are the problems associated with this method in terms of shrinkage of concrete?
Last Answer : In the method of stitching, it is a normal practice to construct the widening part of the bridge at first and let it stay undisturbed for several months. After that, concreting will then be ... Stitching refers to formation of a segment of bridge deck between an existing bridge and a new bridge.
Description : The plasticity index is the numerical difference between (A) Liquid limit and plastic limit (B) Plastic limit and shrinkage limit (C) Liquid limit and shrinkage limit (D) None of these
Last Answer : (A) Liquid limit and plastic limit
Description : The maximum water content at which a reduction in water content does not cause a decrease in volume of a soil mass, is known (A) Liquid limit (B) Plastic limit (C) Shrinkage limit (D) Permeability limit
Last Answer : (C) Shrinkage limit
Description : The minimum water content at which the soil retains its liquid state and also possesses a small shearing strength against flowing, is known (A) Liquid limit (B) Plastic limit (C) Shrinkage limit (D) Permeability limit
Last Answer : (A) Liquid limit
Description : The minimum water content at which the soil just begins to crumble when rolled into threads 3 mm in diameter, is known (A) Liquid limit (B) Plastic limit (C) Shrinkage limit (D) Permeability limit
Last Answer : (B) Plastic limit
Description : The clay mineral with the largest swelling and shrinkage characteristics is (A) Kaolinite (B) Illite (C) Montmorillonite (D) None of the above
Description : The water content of soil, which represents the boundary between plastic state and liquid state, is known as (A) Liquid limit (B) Plastic limit (C) Shrinkage limit (D) Plasticity index
Description : Pick up the correct statement from the following: (A) In soils, the flow index indicates variation in shear strength with water content (B) Liquid limit minus plastic limit, is known as plasticity ... Plastic limit minus shrinkage limit, is known as shrinkage index of the soil (D) All the above
Description : Distribution reinforcement in a simply supported slab, is provided to distribute (A) Load (B) Temperature stress (C) Shrinkage stress (D) All the above
Description : As per IS : 1343, total shrinkage for a pre-tensioned beam, is (A) 3.0 × 10-2 (B) 3.0 × 10-3 (C) 3.0 × 10-5 (D) 3.5 × 10