Description : Which one of the following is an air binding material? (A) Gypsum (B) Acid-resistant cement (C) Quick lime (D) All of these
Last Answer : Answer: Option D
Description : In a mortar, the binding material is (A) Cement (B) Sand (C) Surkhi (D) Cinder
Last Answer : Answer: Option A
Description : Pick up the correct statement from the following: (A) Lime mortar with cement in the ratio of in 10 is cheaper and better for outside plaster (B) For very cold or very hot climate, a compact and closed ... (C) On the sea coast, an exposed and open house is generally preferred (D) All the above
Description : Consider the following statements: Maximum slenderness ratio of load-bearing masonry walls for a dwelling having more than two storeys shall not exceed. 1. 12, if lime mortar is used 2. 18, if cement-lime mortar 1:2:9 is used 3. 24, ... ? (a) 1 and 2 only b) 2 and 3 only c) 1 and 3 only d)1, 2 and 3
Last Answer : b) 2 and 3 only
Description : Pick out the wrong statement. (A) High early strength cement are made from materials having high silica to lime ratio (B) The function of gypsum in cement is to enhance its initial ... cements are known as silicate cement (D) Major component of greyish Portland cement is tricalcium silicate
Last Answer : (A) High early strength cement are made from materials having high silica to lime ratio
Description : The most fire resistant paints are: (A) Enamel paints (B) Aluminium paints (C) Asbestos paints (D) Cement paints
Last Answer : Answer: Option C
Description : The normal curing period for lime mortar, is: (A) 1 day (B) 3 days (C) 7 days (D) 10 days
Description : Lime mortar is generally made with (A) Quick lime (B) Fat lime (C) Hydraulic lime (D) Plain lime
Description : Study the following statements. (i) Hydraulic lime is suitable for white washing, (ii) Fat lime is suitable for whitewashing, (iii) Hydraulic lime is suitable for making mortar, (iv) Fat lime is suitable for making mortar.
Last Answer : Answer: Option B (B) (ii) and (iii)
Description : The proportions of lime and sand in the mortar normally used in brick construction are (A) 1 : 2 (B) 1 : 4 (C) 1 : 6 (D) 1 : 8
Description : Pick up the incorrect statement from the following: (A) Hydraulic lime is generally obtained by burning kankar (B) Hydraulic lime sets slowly as compared to fat lime (C) Hydraulic lime is generally used in lime mortar (D) None of these
Description : For brick construction, the lime-sand mortar, is (A) 1 : 1 (B) 1 : 2 (C) 1 : 3 (D) 1 : 4
Last Answer : Answer: Option B
Description : For the manufacture of Portland cement, the proportions of raw materials used, are (A) Lime 63% ; silica 22% ; other ingredients 15% (B) Lime 22% ; silica 63% ; other ingredients 15% (C) Silica 40% ; lime 40% ; other ingredients 20% (D) Silica 70% ; lime 20% ; other ingredients 10%
Description : Calcareous and argillaceous materials used in manufacture of cement consists of (a) Lime stone (b) Chalk (c) Shales (d) All the above
Last Answer : (d) All the above
Description : The expected out turn of brick work in cement mortar in foundation and plinth per mason per day, is (A) 1.00 m3 (B) 1.25 m3 (C) 1.50 m3 (D) 1.75 m3
Last Answer : (B) 1.25 m3
Description : The expected out turn of 12 mm plastering with cement mortar is (A) 2.5 sq m (B) 4.0 sq m (C) 6.0 sq m (D) 8.0 sq m
Last Answer : (D) 8.0 sq m
Description : 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 ... cm 10 cm is used (D) The prepared moulds are kept in a atmosphere of 50% relative humidity
Description : For testing compressive and tensile strength of cement, the cement mortar is made by mixing cement and standard sand in the proportions of (A) 1 : 2 (B) 1 : 3 (C) 1 : 4 (D) 1 : 6
Description : The minimum thickness of walls built in cement mortar (1 : 6) for a single storey building, is (A) 10 cm (B) 15 cm (C) 20 cm (D) 25 cm
Description : The strength of brick masonry in 1:6 cement mortar, is (A) 20 tonnes/m2 (B) 40 tonnes/m2 (C) 50 tonnes/m2 (D) 60 tonnes/m
Description : Brick nogging type of partition wall, is constructed by (A) Laying bricks as stretchers in cement mortar (B) Laying bricks as headers in cement mortar (C) Reinforcing brick wall with iron straps (D) Constructing brick work within a wooden framework
Description : For plastering the exposed brick walls, the cement sand mortar should be (A) 1 : 2 (B) 1 : 3 (C) 1 : 4 (D) 1 : 6
Description : Maximum slenderness ratio for load-bearing masonry wall in cement mortar, as per IS code, shall not exceed. (a) 13 (b) 20 (c) 27 (d) 30
Last Answer : (c) 27
Description : The rate of an item of work depends on (A) Specifications of works (B) Specifications of materials (C) Proportion of mortar (D) All the above
Last Answer : (D) All the above
Description : The type of arch used for high class buildings where appearance is of prime importance, is known as (A) Ashlar arch (B) Rubble arch (C) Gauged brick arch (D) Axed brick arch
Description : An arch constructed with finely dressed stones, is known (A) Ashlar arch (B) Rubble arch (C) Gauged arch (D) Axed arch
Description : Q No: 78 Hume steel pipes are A. Steel pipes B. Steel shell coated from inside with cement mortar C. Steel shell coated from outside with cement mortar D. Both B. and C.
Last Answer : ANS: D
Description : What is the role of lime in mortar? Why put it in?
Last Answer : If you don't put it in, it will crack quickly if I know it.
Description : What is the ratio of slaked lime and sand in mortar ?
Last Answer : Ratio is 1:3
Description : Mortar is a mixture of water sand and (1) Slaked lime (2) Quick lime (3) Limestone (4) Gypsum
Last Answer : (1) Slaked lime Explanation: Mortar is a workable paste used to bind construction blocks together and fill the gaps between them. The blocks may be stone, brick, cinder blocks, etc. Mortar becomes hard ... Mortar can also be used to fix, or point, masonry when the original mortar has washed away.
Description : Define lime mortar. Explain its Properties.
Last Answer : Lime Mortar:-Lime Mortar is a paste prepared by adding required quantity of water to a mixture of lime and fine aggregate like sand. Properties of Lime Mortar : 1)It should be capable of ... not develop cracks and they should be able To maintain their appearance for a sufficiently long period.
Description : Mortar is a mixture of water, sand and (1) Slaked lime (2) Quick lime (3) Limestone (4) Gypsum
Last Answer : Slaked lime
Description : Pick up the correct statement from the following: (A) The percentage of absorption for firebricks varies from 5 to 10 (B) The percentage of silica in silica bricks is to the extent of about 95 to 97 ... to 2 percent of lime in silica bricks is added to act as binding material (D) All the above
Description : A thick paste of cement, sand and water is called – (1) Concrete (2) R.C.C. (3) Mortar (4) Kiln
Last Answer : (3) Mortar Explanation: Mortar is a workable paste used to bind construction blocks together and fill the gaps between them. Modern mortars are typically made from a mixture of sand, a binder such as cement or lime, and water
Description : A thick paste of cement, sand and water is called (1) Concrete (2) R.C.C. (3) Mortar (4) Kiln
Last Answer : Mortar
Description : (1) Calcium silicate and calcium alurninate Explanation: Portland cement is the most common type of cement in general use around the world because it is a basic ingredient of concrete, mortar, stucco ... limited amount of calcium sulfate (which controls the set time) and up to 5% minor constituents.
Last Answer : Milk is a colloidal system in which: (1) Water is dispersed in fat (2) Fat is dispersed in water (3) Fat and water are dispersed in each other (4) Fat is dissolved
Description : Repairing by cement pressure grouting can be adopted in case of a) Honey comb concrete b) Hollow masonry, Dormant cracks c) Deep leached mortar joints d) all the above*
Last Answer : d) all the above*
Description : Describe the procedure for carrying out the ‘Plastering’ in cement mortar in two coats.
Last Answer : The mix ratio of mortar in case of cement plastering depends upon the nature of the work to be plastered. For rich plastering work at sensitive places (e.g. in side bathrooms, W.C. etc.), 1:3 ... help of a steel float. It is then allowed to set for 2 days and cured for more than 7 days.
Description : Excess lime when added (a) Makes the cement unsound (b) Causes the cement to expand and disintegrate (c) Lowering the clinkering temp of cement (d) Both ‘a’ and ‘b’
Last Answer : (d) Both ‘a’ and ‘b’
Description : In water bound macadam roads, binding material, is (A) Sand (B) Stone dust (C) Cement (D) Brick dust
Description : What is your opinion on gauged ears?
Last Answer : I think that they are attractive to an extent… like the ones that are a few inches big are gross, but ones that are like “0’s” or dubble “0’s” look good
Description : Is it okay for gauged ear piercings to bleed a tiny bit over a month after they were peirced?
Last Answer : from 10 to 6 is a pretty big jump, and you can expect them to bleed a bit. At least for some people it's expected, and not uncommon for a little bit of blood. If it was pierced at 10, that is still ... a charm. I had my ears gauged out to 4 before I joined the air force and had to take them out.
Description : Which of the following is resistant to the action of both heat & chemicals? (A) Borosilicate glass (B) Silica glass (C) Soda lime glass (D) None of these
Last Answer : (A) Borosilicate glass
Description : The binder normally used in flexible pavement construction is (A) Cement (B) Lime (C) Bitumen (D) None of the above
Description : Pavement is said to be flexible if it contains (A) Water bound macadam surface (B) Stabilised soil base constructed of lime cement or tar (C) Bitumen-bound stone layer of varying aggregates (D) All the above
Description : Pick up the correct statement from the following: (A) Bricks are paid per thousand (B) Cement is paid per 50 kg bag (C) Lime is paid per quintal (D) All the above
Description : The commonly used material in the manufacture of cement is (A) Sand stone (B) Slate (C) Lime stone (D) Graphite
Last Answer : (C) Lime stone
Description : To obtain cement dry powder, lime stones and shales or their slurry, is burnt in a rotary kiln at a temperature between (A) 1100° and 1200°C (B) 1200° and 1300°C (C) 1300° and 1400°C (D) 1400° and 1500°C
Last Answer : D
Description : Ordinary Portland cement is manufactured from (A) Lime stone and clay (B) Gypsum and lime (C) Pozzolana (D) Lime, pozzolana and clay
Description : The minimum percentage of chemical ingredient of cement is that of (A) Magnesium oxide (B) Iron oxide (C) Alumina (D) Lime