Description : Dampness causes (A) Efflorescence (B) Bleaching of paints (C) Crumbling of plaster (D) Growth of termites
Last Answer : Answer: Option D
Description : Pick up the correct statement from the following: (A) Sand consists of coarse particles of silica formed due to the disintegration of rocks (B) The grains of sand are not affected by frost (C) Sand ... and do not allow water to rise up between pores due to capillary action (D) All the above
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 : Refractory bricks resist (A) High temperature (B) Chemical action (C) Dampness (D) All the above
Last Answer : Answer: Option A
Description : Pick up the most favourable condition for the rapid growth of fungus for dry rot from the following: (A) Absence of sun light (B) Dampness (C) Presence of sap (D) All the above
Description : Which of the following metal sheets is most effective in preventing dampness? (A) Copper sheets (B) Lead sheets (C) Aluminium sheets (D) All the above
Description : Cavity wall is generally provided for (A) Heat insulation (B) Sound insulation (C) Prevention of dampness (D) All the above
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 : Efflorescence in cement is caused due to an excess of (A) Alumina (B) Iron oxide (C) Silica (D) Alkalis
Description : When a brick is immersed in water for 24 hours and then dried, if (A) No grey or white deposits appear on the surface, the brick is free from soluble salts (B) 10 percent surface is ... percent surface is covered with grey or white deposits, the brick has serious efflorescence (D) All the above
Description : Efflorescence is cement is caused due to the excess of (a) Lime (b) Silica (c) Alkalies (d) Iron oxide
Last Answer : (c) Alkalies
Description : Efflorescence in cement is caused due to an excess of [ A ] Alkalies [ B ] Silica [ C ] Iron oxide [ D ] Alumina
Last Answer : [ A ] Alkalies
Description : Which of the following is characterized by excessive dampness with a thick growth forest and a variety of wild life? (a) Bhabar (b) Bhangar (c) Tarai (d) Khadar
Last Answer : Ans: (c)
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 property of a substance to absorb moisture from the air on exposure is called------? A. osmosis B. deliquescence (Answer) C. efflorescence D. desiccation
Last Answer : B. deliquescence (Answer)
Description : Hydraulic lime is not used in plastering because it may result in a) Blistering* b) Efflorescence c) Flaking d) Fluorescence
Last Answer : a) Blistering*
Description : The loss of water of crystallization from a hydrat when exposed to air is termed: w) efflorescence (pron: eh-floor-es-ence) x) deliquescence (pron: del-i-kwes-ence) y) quiescence (pron: kwi-es-ence) z) anhydrogenation
Last Answer : ANSWER: W -- EFFLORESCENCE
Description : The process by which a substance absorbs moisture upon exposure to the atmosphere is called: w) efflorescence x) deliquescence y) dehydrogenation z) desalination
Last Answer : ANSWER: X -- DELIQUESCENCE
Description : Which of the following type of sea walls results in greatest protection of shore structures? (A) Vertical sea wall (B) Sea wall with batter (C) Stepped sea wall (D) Sea wall with concave face
Last Answer : (D) Sea wall with concave face
Description : Assertion A: Marine structures are made specially bulky and strong. Reason R: Sea insects result in undermining of the hardest and the soundest building material Select your answer based on the coding system given below: (A) ... of A (C) A is true but R is false (D) A is false but R is true
Last Answer : (A) Both A and R is true and R is the correct explanation of A
Description : Which of the following structures protects the shore by trapping of littoral drift? (A) Groynes (B) Sea walls (C) Revetments (D) Moles
Last Answer : (A) Groynes
Description : Which of the following structures are constructed parallel to shore line to develop a demarcating line between land area and water area? (A) Sea walls, bulk heads and groynes (B) Sea walls, bulk heads and revetments (C) Sea walls, revetments and groynes (D) Bulk heads, revetments and groynes
Last Answer : (B) Sea walls, bulk heads and revetments
Description : For construction of structures in sea water, the cement generally preferred to, is (A) Portland-pozzolana cement (B) Quick setting cement (C) Low heat Portland cement (D) Rapid hardening cement
Description : Low heat cement is used in (a) Thin structures (b) Thick structures (c) Sea structures (d) Submarine structures
Last Answer : (b) Thick structures
Description : Pick up the correct statement from the following: (A) The direction of the littoral drift depends upon the direction of the wave with respect to the coastline (B) The direction of a river opening to the sea ... avoid a build up of sand on one side and erosion on the other (D) all of the above
Last Answer : (D) all of the above
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 : Question No. 51 A low wall built out into the sea more or less perpendicular to the coast line, to resist the travel of sand and shingle along a beach, is called (A) Break water (B) Break wall (C) Groins (D) Shore wall
Last Answer : (C) Groins
Description : Sand generally contains salt if it is obtained from: (A) Nala beds (B) River beds (C) Sea beds (D) None of these
Last Answer : Answer: Option C
Description : Pick up the correct statement from the following: (A) Sand obtained from pits, is washed to remove clay and silt (B) Sand obtained from flooded pits, need not be washed before use (C) The ... shore sand and shingle may cause corrosion of reinforcement if the concrete is porous (D) All the above
Description : Good quality sand is never obtained from (A) River (B) Lake (C) Sea (D) Gravel powder
Description : The admixture of coarser particles like sand or silt to clay causes (A) Decrease in liquid limit and increase in plasticity index (B) Decrease in liquid limit and no change in plasticity index ... in both liquid limit and plasticity index (D) Increase in both liquid limit and plasticity index
Description : Grading of sand causes great variation in (A) Workability of concrete (B) Strength of concrete (C) Durability of concrete (D) All the above
Last Answer : (D) All the above
Description : “Hie combination of politics and social divisions is very dangerous and explosive as it may lead to conflict, violence or even disintegration of a country.” -SST 10th
Last Answer : Political competition along religious ending ethic lines led to the disintegration of Yugoslavia into six independent states.
Description : Among the following, which country suffered disintegration due to political fights on the basis of religious and ethnic identities ? -SST 10th
Last Answer : C - The country which suffered disintegration due to political fights on the basis of religious and ethnic identities is Yugoslavia. Hence, option (c) is correct
Description : Which country suffered disintegration due to political fights on the basis of religious and ethnic identities? -SST 10th
Last Answer : Yugoslavia suffered disintegration due to political fights on the basis of religious and ethnic identities.
Description : “Attempts at forced integration often sow the seeds of disintegration.” -SST 10th
Last Answer : (i) The above statement is true from the examples of Belgium and Sri Lanka. If the rulers are willing to share power and accommodate the reasonable demands of minority community, social ... quite the opposite. Thus with such attempts at forced integration often saw the seeds of integration.
Last Answer : Medium Active Metallic Oxide With carbon Heat If given Metal Free Yes , he is To the process Carbon Disintegration Says. E.g .: 2Pb (s) + C (s) = 2Pb (s) + CO2 (g)
Description : Assertion :- Morphology of chromosomes is most studied during metaphase of cell division. Reason :- Complete disintegration of nuclear envelope marks
Last Answer : Assertion :- Morphology of chromosomes is most studied during metaphase of cell division. Reason :- ... D. If both Assertion & Reason are false.
Description : In the disintegration of a radioactive element, `alpha` and `beta`-particles are evolved from the nucleus: `._(0)^(1)n to ._(1)^(1)H + ._(-1)^(0)e` +
Last Answer : In the disintegration of a radioactive element, `alpha` and `beta`-particles are evolved from ... of `gamma`-radiations may yield nuclear isomer
Description : In the disintegration of a radioactive element, `alpha`- and `beta`-particles are evolved from the nucleus. `._(0)n^(1) rarr ._(1)H^(1) + ._(-1)e^(0)
Last Answer : In the disintegration of a radioactive element, `alpha`- and `beta`-particles are evolved from the nucleus. `._(0 ... C. `2 alpha, 2 beta` D. `n beta`
Last Answer : In the disintegration of a radioactive element, `alpha`- and `beta`-particles are evolved from the ... C. decreases by 2 unit D. remains unaffected
Last Answer : In the disintegration of a radioactive element, `alpha`- and `beta`-particles are evolved from the nucleus. `._(0) ... in A. IIA B. IA C. IIB D. IVB
Last Answer : In the disintegration of a radioactive element, `alpha`- and `beta`-particles are evolved from the nucleus. ... , beta, beta` D. `beta, gamma, alpha`
Description : The correct starting material and product of different disintegration series `"is"//"are"` a)`Th^(232), Pb^(208)` b)`Np^(237),Bi^(209)` c)`U^(235),Pb^
Last Answer : The correct starting material and product of different disintegration series `"is"//"are"` a)`Th^(232), Pb^(208)` ... )Pb` D. `.^(237)Np, .^(209)Bi`
Description : Assertion : In a radioactive disintegration, an electron is emitted by the nucleus. Reason : Electrons are always present inside the nucleus.
Last Answer : Assertion : In a radioactive disintegration, an electron is emitted by the nucleus. Reason : Electrons are ... both (A) and (R ) are incorrect.
Description : Which of the following is the man-made radioactive disintegration series?
Last Answer : Which of the following is the man-made radioactive disintegration series? A. Thorium series B. Neptunium series C. Uranium series D. Actinium series
Description : Starting from radium, the radioactive disintegration process terminates when the following is obtained a)radon b)lead c)uranium d)thorium
Last Answer : Starting from radium, the radioactive disintegration process terminates when the following is obtained a)radon b) ... . radon C. radium A D. radium B
Description : A radioactive element A on disintegration gives two elements B and C. If B is helium and C is the element of atomic number 90 and atomic mass 234, the
Last Answer : A radioactive element A on disintegration gives two elements B and C. If B is helium and C is the element of atomic ... )^(234)Th` D. `._(91)^(234)Pa`
Description : Neutrons are obtained by (a) Bombardment of radium with aparticles (b) Bombardment of beryllium with b-particles (c) Radioactive disintegration of uranium (d) None of the above
Last Answer : Ans:(c)