Description : For testing compressive strength of cement, the size of cube used is (A) 50 mm (B) 70.6 mm (C) 100 mm (D) 150 mm
Last Answer : B
Description : Generally the strength of concrete is represented by the crushing stress of concrete cube of size [ A ] 50 mm [ B ] 100 mm [ C ] 150 mm [ D ] 250 mm
Last Answer : [ C ] 150 mm
Description : Permissible compressive strength of M 200 concrete grade is (A) 100 kg/cm2 (B) 150 kg/cm2 (C) 200 kg/cm2 (D) 250 kg/cm2
Last Answer : (C) 200 kg/cm2
Description : Permissible compressive strength of M 300 concrete grade is (A) 100 kg/cm2 (B) 150 kg/cm2 (C) 200 kg/cm2 (D) 300 kg/cm2
Last Answer : (D) 300 kg/cm2
Last Answer : Answer: Option C
Description : Permissible compressive strength of M 150 concrete grade is (A) 100 kg/cm2 (B) 150 kg/cm2 (C) 200 kg/cm2 (D) 250 kg/cm2
Description : Specified compressive strength of concrete is obtained from cube tests at the end of (A) 3 days (B) 7 days (C) 21 days (D) 28 day
Last Answer : Answer: Option D
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
Last Answer : Answer: Option A
Description : For performing the compressive strength test of cement, the size of cube mould should be (a) 7.06cm (b)75mm (c)80mm (d)All the above
Last Answer : (a) 7.06cm
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 : The minimum cube strength of concrete used for a pre-stressed member, is (A) 50 kg/cm2 (B) 150 kg/cm2 (C) 250 kg/cm2 (D) 350 kg/cm
Description : The 28 days cube strength of mass concrete using aggregates of maximum size 5 cm for gravity dams should be (A) Between 150 to 300 kg/cm2 (B) Between 350 to 600 kg/cm2 (C) Between 150 to 500 kg/cm2 (D) Below 200 kg/cm2
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 : Compared to mild steel, cast iron has (i) High compressive strength (ii) High tensile strength (iii) Low compressive strength (iv) Low tensile strength The correct answer is (A) (i) and (ii) (B) (ii) and (iii) (C) (iii) and (iv) (D) (i) and (iv)
Description : In reinforced concrete footing on soil, the minimum thickness at edge should not be less than (A) 100 mm (B) 150 mm (C) 200 mm (D) 250 mm
Last Answer : Answer: Option B
Description : For an ordinary Portland cement (A) Residual does not exceed 10% when sieved through IS Sieve No. 9 (B) Soundness varies from 5 to 10 mm (C) Initial setting time is not less than 30 minutes (D) Compressive stress after 7 days, is not less than 175 kg/cm2
Last Answer : (C) Initial setting time is not less than 30 minutes
Description : The minimum compressive strength of 1st class bricks should be (A) 75 kg/cm2 (B) 90 kg/cm2 (C) 100 kg/cm2 (D) 120 kg/cm2
Description : The minimum compressive strength of 2nd class bricks should be (A) 75 kg/cm2 (B) 90 kg/cm2 (C) 100 kg/cm2 (D) 120 kg/cm
Description : Compressive strength of wood is usually more along the grains. The tenile strength of wood as compared to that of steel is about (A) Half (B) One third (C) One fifth (D) One twelfth
Last Answer : (C) One fifth
Description : For two plates of equal thickness, full strength of square-edged fillet weld can be ensured if its maximum size is limited to (a) 1.5 mm less than the plate thickness (b) 67% of the plate thickness (c) 80% of the plate thickness (d) Thickness of the plate
Last Answer : (a) 1.5 mm less than the plate thickness
Description : In favourable circumstances a 15 cm concrete cube after 28 days, attains a maximum crushing strength (A) 100 kg/cm2 (B) 200 kg/cm2 (C) 300 kg/cm2 (D) 400 kg/cm
Description : Pick up the correct statement regarding low heat cement from the following: (A) It possesses less compressive strength (B) Its initial setting time is about one hour (C) Its final setting time is about 10 hours (D) All the above
Description : According to IS specifications, the compressive strength of ordinary Portland cement after three days should not be less than (A) 7 MPa (B) 11.5 MPa (C) 16 MPa (D) 21 MPa
Description : The compressive strength an ordinary Portland cement (1:3) after 7 days test should not be less than. (a) 11N/mm2 (b) 17.5 N/mm2 (c) 22 N/mm2 (d) 27.5N/m2
Last Answer : (b) 17.5 N/mm2
Description : A steel rod of sectional area 250 sq. mm connects two parallel walls 5 m apart. The nuts at the ends were tightened when the rod was heated to 100°C. If steel = 0.000012/C°, Esteel = 0.2 MN/mm2 , the ... N/mm2 (B) 100 N/mm2 (C) 120 N/mm2 (D) 150 N/mm2 Answer: Option
Last Answer : (C) 120 N/mm
Description : The diameter of a domestic sewer pipe laid at gradient 1 in 100 is recommended (A) 100 mm (B) 150 mm (C) 200 mm (D) 175 mm
Last Answer : (B) 150 mm
Description : Minimum thickness of load bearing RCC wall should be (A) 50 mm (B) 100 mm (C) 150 mm (D) 200 mm
Last Answer : (B) 100 mm
Description : To determine the modulus of rupture, the size of test specimen used is (A) 150 × 150 × 500 mm (B) 100 × 100 × 700 mm (C) 150 × 150 × 700 mm (D) 100 × 100 × 500 mm
Description : The slump recommended for mass concrete is about (A) 25 mm to 50 mm (B) 50 mm to 100 mm (C) 100 mm to 125 mm (D) 125 mm to 150 mm
Description : When the nurse observes that the patient's systolic blood pressure is less than 80-90 mm Hg, respirations are rapid and shallow, heart rate is over 150 beats per minute, and ... d) Irreversible In refractory or irreversible shock, the patient requires complete mechanical and pharmacologic support.
Last Answer : a) Compensatory In compensatory shock, the patient’s blood pressure is normal, respirations are above 20, and heart rate is above 100 but below 150.
Description : Cube strength of controlled concrete to be used for pre-tensioned and post-tensioned work respectively should not be less than (A) 35 MPa and 42 MPa (B) 42 MPa and 35 MPa (C) 42 MPa and 53 MPa (D) 53 MPa and 42 MPa
Description : Crushing strength of a good building stone should be more than (A) 50 MPa (B) 100 MPa (C) 150 MPa (D) 200 MPa
Description : The minimum strength of the mortar used in load bearing brick masonry, is (A) 50 N/cm2 (B) 100 N/cm2 (C) 150 N/cm2 (D) 200 N/cm2
Last Answer : : Option B
Description : A spring of mean radius 40 mm contains 8 action coils of steel (N = 80000 N/mm2 ), 4 mm in diameter. The clearance between the coils being 1 mm when unloaded, the minimum compressive load to remove the clearance, is (A) 25 N (B) 30 N (C) 35 N (D) 40 N
Last Answer : (C) 35 N
Description : Pick up the correct statement from the following: (A) The moment of inertia is calculated about the axis about which bending takes place (B) If tensile stress is less than axial ... tensile stress is equal to axial stress, the section experiences compressive stress (D) All the above
Last Answer : (D) All the above
Description : For a balanced section, the moment of resistance obtained from compressive force will be ___________the moment of resistance obtained from the tensile force (a) Greater than (b) Less than (c) Equal to (d) None of these
Last Answer : (c) Equal to
Description : According to steel Beam theory, stress in compressive steel is ------- stress in tension steel [ A ] less than [ B ] greater than [ C ] equal to [ D ] twice
Last Answer : [ C ] equal to
Description : he minimum compressive strength of first class brick should be a) 75 kg per centimeter square b) 90 kg per centimeter square c) 100 kg per centimeter square* d) 120 kg per centimeter square
Last Answer : c) 100 kg per centimeter square*
Description : Unconfmed compressive strength test is (A) Undrained test (B) Drained test (C) Consolidated undrained test (D) Consolidated drained test
Last Answer : (A) Undrained test
Description : Pick up the incorrect definition from the following: (A) Ratio of the compressive strength of unconfined undisturbed soil to that of remoulded soil, is known as the sensitivity of the soil sample (B) The ... content at which a soil flows, is known plastic limit of the soil (D) None of these
Description : Sensitivity of a soil can be defined as (A) Percentage of volume change of soil under saturated condition (B) Ratio of compressive strength of unconfined undisturbed soil to that of soil in a remoulded state (C) Ratio of volume of voids to volume of solids (D) None of the above
Description : Slump test of concrete is a measure of its (A) Consistency (B) Compressive strength (C) Tensile strength (D) Impact value
Last Answer : (A) Consistency
Description : A higher modular ratio shows (A) Higher compressive strength of concrete (B) Lower compressive strength of concrete (C) Higher tensile strength of steel (D) Lower tensile strength of steel
Description : Modulus of rupture of concrete is a measure of (A) Flexural tensile strength (B) Direct tensile strength (C) Compressive strength (D) Split tensile strength
Description : The preliminary test is repeated if the difference of compressive strength of three test specimens, exceeds (A) 5 kg/cm2 (B) 8 kg/cm2 (C) 10 kg/cm2 (D) 15 kg/cm2
Description : According to IS: 4561978, the flexural strength of concrete is (A) Directly proportional to compressive strength (B) Inversely proportional to compressive strength (C) Directly proportional to square root of compressive strength (D) Inversely proportional to square root of compressive strength
Description : If the average compressive strength is 4000 kg/cm2 and standard deviation is 500, the co-efficient of variation is (A) 10 % (B) 12.5 % (C) 15 % (D) 18.5%
Description : Allowable shear strength of concrete, depends upon (A) Shear strength (B) Tensile strength (C) Compressive strength (D) None of these
Description : Pick up the correct statement from the following: (A) Acid test is done to find out the weathering quality of stones (B) Attrition test is done to find out the rate of wear of stones which are used ... (C) Crushing test is done to find out the compressive strength of the stone (D) All the above