Description : As per IS: 456-2000, recommended value for standard deviation for concrete mix from M30 to M50 is [ A ] 1 N/mm2 [ B ] 2 N/mm2 [ C ] 4 N/mm2 [ D ] 5 N/mm2
Last Answer : [ D ] 5 N/mm2
Description : As per IS;456, in working stress method of design, permissible tensile stress for M20 grade concrete is given by [ A ] 1. 2 N/mm2 [ B ] 1.5 N/mm2 [ C ] 2.0 N/mm2 [ D ] 2.8 N/mm2
Last Answer : [ D ] 2.8 N/mm2
Description : As per IS :456-1978, the permissible value of bond – stress for M15 grade of concrete is (a) 0.5 N/mm2 (b) 1 N/mm2 (c) 1.5 N/mm2 (d) 2 N/mm2
Last Answer : (b) 1 N/mm2
Description : As per IS:456, maximum shear stress for M20 glade concrete in working stress method is [ A ] 1.6 N/mm2 [ B ] 1.8 N/mm2 [ C ] 2.0 N/mm2 [ D ] 2.2 N/mm2
Last Answer : [ B ] 1.8 N/mm2
Description : As per IS: 456, permissible bond stress for plain bars in tension, in working stress method, where M20, is the grade of concrete [ A ] 0.6 N/mm2 [ B ] 0.8 N/mm2 [ C ] 1.0 N/mm2 [ D ] 1.2 N/mm2
Last Answer : [ B ] 0.8 N/mm2
Description : As per IS: 456, permissible direct compressive stress M20 grade concrete in working stress method of designer [ A ] 5.0 N/mm2 [ B ] 7.0 N/mm2 [ C ] 10.0 N/mm2 [ D ] 20.0 N/mm2
Last Answer : [ A ] 5.0 N/mm2
Description : A steel bar 5 m × 50 mm is loaded with 250,000 N. If the modulus of elasticity of the material is 0.2 MN/mm2 and Poisson's ratio is 0.25, the change in the volume of the bar is: (A) 1.125 cm3 (B) 2.125 cm3 (C) 3.125 cm3 (D) 4.125 cm
Last Answer : (C) 3.125 cm
Description : A cantilever of length 2 cm and depth 10 cm tapers in plan from a width 24 cm to zero at its free end. If the modulus of elasticity of the material is 0.2 × 106 N/mm2 , the deflection of the free end, is (A) 2 mm (B) 3 mm (C) 4 mm (D) 5 mm
Last Answer : (D) 5 mm
Description : Modulus elasticity of steel is generally taken as [ A ] 2 x 105 N/mm2 [ B ] 2 x 106 N/mm2 [ C ] 2 x 106 N/mm2 [ D ] 2 x 105 N/mm2
Last Answer : [ A ] 2 x 105 N/mm2
Description : The Young's modulus of elasticity of steel, is (A) 150 KN/mm2 (B) 200 KN/mm2 (C) 250 KN/mm2 (D) 275 KN/mm
Last Answer : Answer: Option D
Description : The tensile strength of concrete is given by [ A ] 0.45 vfCK [ B ] 0.60 vfCK [ C ] 0.70 vfCK [ D ] 0.90 vfCK
Last Answer : [ C ] 0.70 vfCK
Description : Nominal cover for M30 grade concrete in moderate exposure is (as per IS:456-2000) [ A ] 20 mm [ B ] 30 mm [ C ] 45 mm [ D ] 50 mm
Last Answer : [ B ] 30 mm
Description : As per 1S: 456-2000, minimum grade of concrete in seat water constructions is [ A ] M20 [ B ] M25 [ C ] M30 [ D ] M50
Last Answer : [ C ] M30
Description : Minimum grade of concrete for R.C.C. should be _________ , as per IS. 456-2000 [ A ] M10 [ B ] M14 [ C ] M20 [ D ] M25
Last Answer : [ C ] M20
Description : A diffraction grating is optically equivalent to a multiple slit system in which the number of slit , N is typically A.2000/cm B.3000/cm C.5000/cm D.1000/cm
Last Answer : C.5000/cm
Description : A compound bar consists of two bars of equal length. Steel bar cross-section is 3500 mm2 and that of brass bar is 3000 mm2 . These are subjected to a compressive load 100,000 N. If Eb = 0.2 MN/mm2 and Eb = 0.1 ... 6 N/mm2 s = 12 N/mm2 (D) b = 5 N/mm2 s = 10 N/mm
Last Answer : (A) b = 10 N/mm2 s = 20 N/mm
Description : Modulus of elasticity of steel as per IS: 4561978 shall be taken as (A) 20 kN/cm² (B) 200 kN/cm² (C) 200 kN/mm² (D) 2 × 106 N/cm2
Last Answer : Answer: Option C
Description : Permissible width of crack at the surface of concrete for „moderate‟ environmental conditions according to IS : 456-2000 is [ A ] 0.1 mm [ B ] 0.2 mm [ C ] 0.3 mm [ D ] 0.4 mm
Last Answer : [ B ] 0.2 mm
Description : According to IS:456-2000, the total acid soluble chlorides in concrete is restricted to________ of concrete [ A ] 0.2 kg/m3 [ B ] 0.4 kg/m3 [ C ] 2 kg/m3 [ D ] 4 kg/m3
Last Answer : [ B ] 0.4 kg/m3
Description : According to IS:456-2000, the following type of environments are considered for durability of concrete [ A ] two [ B ] four [ C ] five [ D ] six
Last Answer : [ C ] five
Description : Consider the following statements: Percentage of steel for balanced designed of a singly reinforced rectangular section by limit state method depends on (1) Characteristic strength of concrete (2) Yield strength of concrete (3) Modulus of elasticity ... (b) 1, 3 and 4 (c) 1, 2 and 4 (d) 1, 2 and 3
Last Answer : 1,2,4
Description : Which one of the following statements is not correct with respect to PSC beams? (a) Loss due to shrinkage is proportional to water-cement ratio used in concrete (b) Loss due to creep is ... to the modulus of elasticity of concrete (d) Loss due to friction occurs in post tensioned concrete members
Last Answer : (c) Loss due to elastic deformation is directly proportionally to the modulus of elasticity of concrete
Description : Which of the following statements refer to correct purpose as regards testing of concrete by ultrasonic pulse velocity method? 1. To assess the quality of concrete in-situ. 2. To determine the dynamic modulus of elasticity of concrete. 3 ... and 2 only (b) 1 and 3 only (c) 2 and 3 only (d)1, 2 and 3
Last Answer : (d)1, 2 and 3
Description : Modulus of elasticity of concrete is increased with (a) Higher W/C ratio (b) Shorter curing period (c) Lesser vibration (d) Increase in age
Last Answer : (d) Increase in age
Description : Modulus of elasticity of concrete is primarily influenced by [ A ] Elastic properties of aggregate [ B ] Curing of concrete [ C ] Age of concrete [ D ] Mix proportion and type of cement
Last Answer : [ A ] Elastic properties of aggregate
Description : (54.78)^2= ? 1) 3000 2) 3300 3) 3500 4) 3700 5) 3900
Last Answer : 1) 3000
Description : In working stress method of design, permissible compressive bending stress for M20 grade concrete is given by [ A ] 5.0 N/mm2 [ B ] 7.0 N/mm2 [ C ] 10.0 N/mm2 [ D ] 20 N/mm2
Last Answer : [ B ] 7.0 N/mm2
Description : What is the velocity of sound in wood? A. 5800 m/s B. 5000 m/s C. 3300 m/s D. 3700 m/s
Last Answer : C. 3300 m/s
Description : Maximum value of transaction for e-SBTR should be _________ A. Rs.1000 B. Rs.2000 C. Rs.3000 D. Rs.5000 E. No limit
Last Answer : E. No limit Explanation: There is no maximum limit.
Description : Minimum value of transaction for e-SBTR should be _______ A. Rs.1000 B. Rs.2000 C. Rs.3000 D. Rs.5000 E. No limit
Last Answer : D. Rs.5000 Explanation: Minimum value of transaction for e-SBTR should be Rs.5,000.
Description : International parcel box rate is a) 1000,1500 & 2500 b) 2000,3000 & 5000 c) 750,1500&2500 d) None of these
Last Answer : a) 1000,1500 & 2500
Description : The conductivity of a material with current density 1 unit and electric field 200 μV is a) 2000 b) 3000 c) 4000 d) 5000
Last Answer : d) 5000
Description : Ravi, Rakesh and Vijay invest in a partnership in the ratio 7/2, 4/3, 6/5 respectively. After 4 months, Ravi increases his share 50%. If the total profit at the and of one year be Rs. 32,400, then what is Rakesh's ... the profit? 1) Rs. 2000 2) Rs. 3000 3) Rs. 4000 4) Rs. 5000 5) Rs. 6000
Last Answer : 5) Rs. 6000
Description : Agni 4-- the most potent and technologically advanced among India’s strategic arsenal, has a range of (a) 1000 KM (b) 2000 KM (c) 3000 KM (d) 5000 KM
Last Answer : (c) 3000 KM
Description : . The three-stage Agni-V has a range of (a) 2000 KM (b) 3000 KM (c) 4000 KM (d) 5000 KM
Last Answer : (d) 5000 KM
Description : Keerthi and Kavi invest in a business in the ratio 7:5. If 10% of the total profit goes to charity and Keerthi’s share is Rs.2625 the total profit is. A) 5000 B) 2000 c) 3000 D) 4000
Last Answer : Answer: A) Let the total profit be Rs.100 After playing to charity, keethi’s share = Rs(90 * 7/12) =Rs.52.5 If keerthi’s sghare is Rs.52.5 total profit = Rs 100 If keerthi’s share is Rs. 2625 Total profit = (100/52.5 *2625) =Rs.5000
Description : A square object of 4 mm is subjected to a force of 3000 N. What is the maximum allowable shear stress acting on it? a. 250.14 mm2 b. 281.25 mm2 c. 400.32 mm2 d. 500 mm2
Last Answer : b. 281.25 mm2
Description : If E, N, K and 1/m are modulus of elasticity, modulus of rigidity. Bulk modulus and Poisson ratio of the material, the following relationship holds good (A) E = 3K (1 - 2/m) (B) E = 2N (1 + 1/m) (C) (3/2)K (1 - 2/m) = N (1 + 1/m) (D) All the above
Last Answer : (D) All the above
Description : As per IS: 456-2000, the maximum size of aggregate is [ A ] 1/4 of maximum thickness of member [ B ] 1/4 of minimum thickness of member [ C ] 1/5 of maximum thickness of member [ D ] 1/5 of minimum thickness of member
Last Answer : [ B ] 1/4 of minimum thickness of member
Description : If a concrete column 200 200 mm in cross-section is reinforced with four steel bars of 1200 mm2 total cross-sectional area. Calculate the safe load for the column if permissible stress in concrete is 5 N/mm2 ... 15 Ec (A) 264 MN (B) 274 MN (C) 284 MN (D) 294 MN
Last Answer : (C) 284 MN
Description : For lime concrete, (A) Slump is 50 to 75 mm (B) Flexural strength at 90 days is 0.2 N/mm2 (C) Compressive strength at 90 days is 1.5 N/mm2 (D) All the above
Description : Maximum allowable shear stress for M25 grade concrete is [ A ] 2.5 N/mm2 [ B ] 2.8 N/mm2 [ C ] 3.1 N/mm2 [ D ] 3.5 N/mm2
Last Answer : [ C ] 3.1 N/mm2
Description : The ultimate average anchorage bond stress for plain bars in tension is _______ if the grade of concrete is M20 [ A ] 1.60 N/mm2 [ B ] 1.92 N/mm2 [ C ] 2.24 N/mm2 [ D ] 2.40 N/mm2
Last Answer : [ B ] 1.92 N/mm2
Description : According to IS: 456-2000, the span/overall depth ratio for a continuous two-way slab in order to control deflection is given by [ A ] 20 [ B ] 28 [ C ] 32 [ D ] 40
Last Answer : [ C ] 32