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DM G+1 EXAM 2024/2025 WITH 100% ACCURATE SOLUTIONSG

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Download DM G+1 EXAM 2024/2025 WITH 100% ACCURATE SOLUTIONS and more Exams Nursing in PDF only on Docsity! DM G+1 EXAM 2024/2025 WITH 100% ACCURATE SOLUTIONS The shutters and bottom support of non-cantilever slab is removed within a minimum of ______ days. 7 days 14 days 28 days 21 days - Precise Answer ✔✔14 Days Shotcrete is used in ________ Repairing surfaces Dam surfaces Curved surfaces All of above - Precise Answer ✔✔All of above The shutters and bottom support of non-cantilever beam can be removed within a minimum of ____ 7 days 14 days 28 days 21 days - Precise Answer ✔✔14 days Bitumen is used in construction to provide ______ Protective Surface Shining surface Decorative surface All of above - Precise Answer ✔✔Protective Surface First test on concrete is done after ______days 7 days 14 days 28 days 3 days - Precise Answer ✔✔7 days Core samples are taken for finding ____ Tensile strength Compressive strength Water absorption Surface hardness - Precise Answer ✔✔Compressive strength Rebound Schmidt hammer test is _____ Destructive test Non-destructive Cohesion test All of above - Precise Answer ✔✔Non-destructive Increase No effect - Precise Answer ✔✔Increase Density of ACC block is _____ Kg/m3 500 550 700 600 - Precise Answer ✔✔600 Compaction of concrete is done to _____ Increase strength Increase durability Remove air All are required - Precise Answer ✔✔All are required Proper curing of concrete should be continued for ____ days. 7 14 10 28 days - Precise Answer ✔✔7 days The average strength of cubes at the end of 28 days should be ____ Greater than fc' by 15% Greater than or equal to fc' Equal to or less than fc' by 15% Greater than fc' by 1.15 times - Precise Answer ✔✔Greater than or equal to fc' Compaction of concrete is done to ____ Increase strength Increase durability Remove air All of above - Precise Answer ✔✔All of above When casting if the temperature of concrete mix is above 32C0, than how should you bring the temperature of the mix down to 32 or less? Adding water Adding fly ash Adding silica Adding ice - Precise Answer ✔✔Adding ice Structural element that holds the earth retaining wall is ____ Stem Shear key Foundation (toe & heel) Toe - Precise Answer ✔✔Foundation (toe & heel) Minimum amount of steel required in normal column is ____ 2% 3% 4% 1% - Precise Answer ✔✔1% Amount of steel in flat slab is _____ Kg/m3 80-100 200 120 160-185 - Precise Answer ✔✔160-185 What is the effect of corrosion in reinforcement on RCC element _____ Damage of concrete element Cracking of the element Deflection become more than normal All of above are correct - Precise Answer ✔✔All of above are correct Concrete is __________ Weak in compression and strong in tension Strong in compression and strong in tension Strong in compression but weak in tension Honeycomb in concrete is caused by ______ No vibration Less workability Spacing less than 25mm All - Precise Answer ✔✔All The modulus of elasticity of concrete is _____ N/mm2 (57000)fc'0.5 29000000 210000 4700fc'0.5 - Precise Answer ✔✔4700fc'0.5 The Poisson ratio of structural steel is ______ 0.2 0.5 0.4 0.3 - Precise Answer ✔✔0.3 Which type of cement is used for foundation concrete? OPC Rapid hardening Self compacting SRC - Precise Answer ✔✔SRC Adding more water to concrete mix than its strength ______ Increase Constant No relation Decrease - Precise Answer ✔✔Decrease Maximum allowable settlement of raft foundation is _____mm 40 75 60 50 - Precise Answer ✔✔50 In concentric footing the column is at the ____of footing. Corner Edge Diagonal Center - Precise Answer ✔✔Center Maximum allowable deflection for isolated footing is ____ 50mm 40mm 30mm 25mm - Precise Answer ✔✔25mm Density of RCC is ______ Kg/m3 2000 2300 2400 2500 - Precise Answer ✔✔2500 The most common type of footing used in building is ______ Combine Strap Raft Isolated footing - Precise Answer ✔✔Isolated footing In continuous slab the maximum bending moment will be at _____ Mid of slab Middle third L/2 from beam Near column or beam - Precise Answer ✔✔Near column or beam The Clear cover provided to beam is _____ 20mm The bending moment diagram for a simply supported beam carrying uniformly distributed load of w per unit length will be _____ A: a horizontal line B: vertical line C: inclined line D: parabolic curve - Precise Answer ✔✔parabolic curve When shear force at a point is zero then the bending moment is _____ at that point. A: Zero B: Minimum C: infinity D: Maximum - Precise Answer ✔✔Maximum The point of contra flexure is a point where ______ A: shear force changes sign B: Bending moment changes sign C: shear force is maximum D: bending moment is maximum - Precise Answer ✔✔Bending moment changes sign In a simply supported beam carrying uniformly distributed load w per unit length the point of contra flexure ____ A: lies in the center of beam B: lies at the end of beam C: depend on L of beam D: Does not exist. - Precise Answer ✔✔Does not exist. For normal size of blocks 200x200x400, the number of blocks required for 3mx5m wall is ___ A: 140 B: 187 C: 165 D: 150 - Precise Answer ✔✔150 For external fence wall the type of block used is ____ A: solid blocks B: thermal C: ACC thermo D: Hollow blocks - Precise Answer ✔✔Hollow blocks For external villa walls which type of blocks are usually used? A: Hollow blocks B: solid blocks C: semisolid D: Thermal blocks - Precise Answer ✔✔Thermal Blocks For unsupported block masonry exceeding _____ m2 you should provide dummy columns. A: 10 B: 20 C: 25 D: 14 - Precise Answer ✔✔14 The strength of solid blocks should be _____N/mm2 for walls. A: 5 B: 2 C: 20 D: 12.5 - Precise Answer ✔✔12.5 The Sulfate content SO3 should not exceed _____in fine aggregate used for construction. A: 1% B: 0.6% C: 0.8% D: 0.4% - Precise Answer ✔✔0.4% As per DM requirements, the yield strength of deformed bars should be ____ N/mm2 A: 260 D: related. - Precise Answer ✔✔less In bottom layer of Raft foundation the overlap is provided _____ A: near the column B: near the beam C: away from column D: anywhere - Precise Answer ✔✔away from column Smidth hammer is a non-destructive test for ______ A: steel B: Aluminum C: is destructive test D: concrete - Precise Answer ✔✔concrete If a site engineer forgets to cast concrete cubes for a test than what to do ___ A: He should make same cubes next day B: He should not do the test and trust ready mix C: He should check with the plant if they made the cubes or do core test. D: He should use the Smidth hammer test. - Precise Answer ✔✔He should check with the plant if they made the cubes or do core test. What are the documents to be available with the contractor prior to the start of the project? - Precise Answer ✔✔Ans: Building permit,NOC from authorities like (RTA, DEWA), Drawings, contract, trade license. For G+3 buildings in Dubai usually ______ foundation is used. A: Mat foundation B: strip footing C: pile foundation D: Isolated footing - Precise Answer ✔✔Isolated footing As per DM tall buildings are those of minimum ______ meter height measured from ground. A: 50m B: 70m C: 40m D: 60m, - Precise Answer ✔✔60m Which test is done before casting the concrete in Dubai? A: slump test B: temperature test C: cubes test D: Both A and B - Precise Answer ✔✔Both A and B The formwork of columns can be removed after _____ A: 3 days B: 7 days C: 4 days D: 1 day - Precise Answer ✔✔1 days After 7 days of compressive strength test of cubes what is the minimum value should be accepted A: 40% B: 50% C: 60% D: 65% - Precise Answer ✔✔65% SRC concrete is used in the construction in _____ A: Piling work B: direct contact with soil C: contact with water D: In All circumstances AB,C - Precise Answer ✔✔In All circumstances A,B,C Workability of concrete is measured by ____ A: thermometer B: mould C: smidth hammer D: slump cone - Precise Answer ✔✔slump cone A: sound effect B: Earth quake effect C: wind effect D: thermal effect or cracks - Precise Answer ✔✔thermal effect or cracks Tests for bearing capacity of soil used is/are _____ A: plate load test B: SPT C: cone penetration D: All - Precise Answer ✔✔All In Cantilever beam the tension side is the _____ A: bottom B: mid C: face D: top - Precise Answer ✔✔top Which test is used to determine the bearing capacity of piles? A: Dynamic formula B: static formula C: pile load test D: All - Precise Answer ✔✔All For plastering the exposed blocks wall the mortar should be of ratio____ A: 1:2 B: 1:3 C: 1:5 D: 1:4 - Precise Answer ✔✔1:4 The doors used in residential buildings should be fire rated up to _____ A: MI30 B: Mi100 C: MI120 D: MI60 - Precise Answer ✔✔MI60 The finished surface of the flat roof should have a slope of _____ for effective drainage. A: 1 in 5 B: 1 in 30 C: 1 in 10 D: 1 in 20 - Precise Answer ✔✔1 in 20 For stairs the sum of tread and rise must lie between _____mm A: 300-350 B: 300-500 C: 600-650 D: 400-450 mm, - Precise Answer ✔✔400-450 The horizontal member for supporting the common rafter in sloping roof is ____ A: cleat B: batten C: strut D: purlin - Precise Answer ✔✔purlin The bearing capacity of waterlogged soil can be improved by ____ A: compacting the soil B: depth increase C: grouting D: draining the soil - Precise Answer ✔✔draining the soil The compaction of concrete is necessary to _____ A: avoid honeycomb B: remove air C: remove water D: Both A and B - Precise Answer ✔✔Both A and B Bulk density of aggregate depends upon ____ A: shape Workability of concrete depends upon _____ A: water content B: gradation and admixtures C: aggregate shape and size D: All of above - Precise Answer ✔✔All of above High temperature _____ the strength of concrete. A: increase B: no effect C: decrease D: none - Precise Answer ✔✔decrease Which of the following is not the characteristic of hard concrete ____ A: brittle B: strong in compression C: weak in tension D: soft - Precise Answer ✔✔soft Fly ash a byproduct of coal-fired electric generating plants is used to partially replace OPC by _ A: 30% by mass B: 50% by mass C: 10% by mass D: 60% by mass - Precise Answer ✔✔60% by mass The minimum thickness of the slab should be ____ A: 200mm B: 250mm C: 125mm D: 100mm - Precise Answer ✔✔125mm The ratio of the larger span to shorter span for the one-way slab is ___ A: less than 2 B: 2 C: 3 D: greater than 2 - Precise Answer ✔✔greater than 2 Open stirrups are provided principally to resist ____ forces in concrete beams. A: flexure B: bending C: shear D: punching - Precise Answer ✔✔shear U-shaped stirrups are placed on the ____ side of beams in which shear cracks would occur. A: compression B: both C: tension D: none - Precise Answer ✔✔Shear The density of wood is ______kg/m3 A: 7800 B: 2500 C: 700 D: 1500 - Precise Answer ✔✔1500 Workability of concrete can be checked by ____ A: by pouring in cone and measure the flow B: fill molds C: hammer D: none - Precise Answer ✔✔by pouring in cone and measure the flow To resist the sides earth soil fall the type of wall used is _____ A: Bearing wall B: shear wall C: block wall D: retaining wall - Precise Answer ✔✔retaining wall B: 15cm C: equal to its projection beyond wall base D: none - Precise Answer ✔✔equal to its projection beyond wall base For effective drainage the finished surface of flat roof should have a minimum slope of ___ A: 1 to 50 B: 1 to 10 C: 1 to 5 D: 1 to 20 - Precise Answer ✔✔1 to 20 For plastering the exposed brick walls the cement sand mortar should be ____ A: 1:2 B: 1:3 C: 1:6 D: 1:4, - Precise Answer ✔✔1:4 The Auger boring method is not suitable for _______ A: very hard soil B: cemented soil C: very soft soil D: All - Precise Answer ✔✔All The ceiling height of a building is ____ - Precise Answer ✔✔Between ceiling and floor level To ensure that supporting area of an offset footing of a boundary wall is fully compressive the Centre of gravity of load must act ____ - Precise Answer ✔✔Within the middle third of the base The vertical faces of a door opening which support frame of the door are _____ A: posts B: styles C: reveals D: jambs - Precise Answer ✔✔jambs In corridor floors outward slope is ____ A: 1 in 40 B: 1 in 50 C: 1 in 70 D: 1 in 60 - Precise Answer ✔✔1 in 60 The entrained concrete is used in lining walls and roofs for making ____ - Precise Answer ✔✔Heat insulation and sound insulation both The member which is placed horizontally to support common rafter of sloping roof is ___ A: cleat B: batten C: strut D: purlins - Precise Answer ✔✔purlins Safe bearing capacity of black cotton soil varies from ___ - Precise Answer ✔✔5 to 7.5 T/m2 The type of footing which is used to transmit heavy loads through steel column is ____ A: raft foundation B: well foundation C: isolated D: Grillage foundation - Precise Answer ✔✔Grillage foundation The raft slab is projected beyond the outer walls of the structure by ____ - Precise Answer ✔✔30 to 45cm The projections of head or sill of a door or window frame are _____ A: Transoms B: stops C: chocks D: Horns - Precise Answer ✔✔Horns Distribution of shear intensity over a rectangular section of a beam follows ____ - Precise Answer ✔✔A parabolic curve in pre-stressed member it is advisable to use ____ - Precise Answer ✔✔High strength concrete and high tensile steel bars In simply supported slab alternate bars are curtailed at ____ - Precise Answer ✔✔1/7th of the Span Density of wood is ______kg/m3 - Precise Answer ✔✔1500 kg/m3 A cantilever beam subjected to point load at free end than the slope at fixed end is ___ - Precise Answer ✔✔Zero at fixed end. Deflection is Pl3/3EI In cantilever beam the deflection occurs only at ____ - Precise Answer ✔✔Free end The specific gravity of mercury is____ - Precise Answer ✔✔13.6 The bottom or lowermost horizontal part of a window frame is known as ____ - Precise Answer ✔✔The Sills A construction joint is provided where ___ - Precise Answer ✔✔Bending moment is less and shear force is small