Engineering Science Quiz
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Questions and Answers

Which substance is a key component of emulsion paint?

  • Poly vinyl acetate (correct)
  • Zinc white
  • White lead
  • Nitro cotton

    • What is the surface tension in a soap bubble of 40 mm diameter with inside pressure of 2.5 N/m² above atmospheric pressure?

  • 0.860 N/m
  • 0.0064 N/m (correct)
  • 0.0125 N/m
  • 1.265 N/m

    • What is the reduced level of the forward station if the benchmark is at 101.00 m, back sight is 1.215 m, and fore sight is 1.810 m?

  • 104.025 m
  • 104.305 m
  • 100.405 m (correct)
  • 99.605 m

    • What is the characteristic of an agonic line?

    <p>Zero declination</p> Signup and view all the answers

    If a rubber balloon has a Poisson's ratio of 0.5, what will be its volumetric strain when uniform pressure is applied?

    <p>0.25</p> Signup and view all the answers

    In traversing, which method involves the direction of the magnetic meridian?

    <p>Fixed needle method</p> Signup and view all the answers

    At which point does shear force change its sign?

    <p>At the point of contraflexure</p> Signup and view all the answers

    What happens to the bending moment at a point of contraflexure?

    <p>Changes sign</p> Signup and view all the answers

    What is the whole circle bearing of a quadrant bearing N15°28'W?

    <p>344°32'</p> Signup and view all the answers

    What is the term for the angle between the true meridian and the magnetic meridian?

    <p>Magnetic declination</p> Signup and view all the answers

    What should be the minimum percentage of reinforcement in the gross sectional area of slabs?

    <p>0.0012</p> Signup and view all the answers

    For M150 mix concrete, the local band stress according to I.S. specifications is?

    <p>15 kg/cm2</p> Signup and view all the answers

    In AutoCAD, which mode allows the user to draw 90° straight lines?

    <p>Ortho</p> Signup and view all the answers

    What is the horizontal thrust at each springing of a symmetrical parabolic arch with a span of 19 m and rise of 4 m under a uniformly distributed load of 1.5 tonnes per meter run?

    <p>20.63</p> Signup and view all the answers

    Which option is used in AutoCAD to obtain parallel lines and concentric circles?

    <p>Offset</p> Signup and view all the answers

    If the fineness modulus of coarse aggregate is 7.6 and that of fine aggregate is 2.8, what does this indicate about the aggregates' grading?

    <p>They are well-graded</p> Signup and view all the answers

    What is the correct term for the length of a long wall?

    <p>GW</p> Signup and view all the answers

    Which substance is commonly used as a retarder in cement?

    <p>Gypsum</p> Signup and view all the answers

    What is the formula for total pressure on a plane surface inclined at an angle θ with the horizontal?

    <p>PA cos θ</p> Signup and view all the answers

    Which of the following trees is not classified as endogenous?

    <p>Deodar</p> Signup and view all the answers

    What does quick lime produce when it reacts with water?

    <p>Calcium hydroxide</p> Signup and view all the answers

    Which option represents the incorrect relationship in Newton's Law of Viscosity?

    <p>Viscosity is affected by fluid density</p> Signup and view all the answers

    What is the approximate ratio between the strength of cement concrete at 7 days and 28 days?

    <p>2:3</p> Signup and view all the answers

    What type of bond is created by laying alternate headers and stretchers in each course in brick masonry?

    <p>English bond</p> Signup and view all the answers

    Which of the following statements regarding the network shown is incorrect?

    <p>All connections are one-way.</p> Signup and view all the answers

    If the fineness modulus of combined aggregate is 6.4, what is the proportion of fine aggregate?

    <p>33.33%</p> Signup and view all the answers

    What is the required crushing strength of a good building stone?

    <p>100 MPa</p> Signup and view all the answers

    If the field capacity of a soil is 25% and the permanent wilting point is 15%, what is the storage capacity of the soil for an 80 cm root zone?

    <p>10 cm</p> Signup and view all the answers

    What does the economical depth of a plate girder correspond to?

    <p>Minimum depth</p> Signup and view all the answers

    In column analogy, what is the area of an analogous column for a fixed beam of span 'L' and flexural rigidity 'EI'?

    <p>L/EI</p> Signup and view all the answers

    For a fixed beam AB of span L subjected to a clockwise moment at a distance 'a' from end A, what is the fixed end moment at end A?

    <p>M(L - a)(L - 3a)/L^2</p> Signup and view all the answers

    Which type of inorganic soil is characterized by low compressibility?

    <p>CH</p> Signup and view all the answers

    What is the moment of inertia of a rectangle about an axis passing through its center of gravity and parallel to the ends?

    <p>Ixx = db^3/24</p> Signup and view all the answers

    Which expression represents the correct value of the coefficient of curvature for soil classification?

    <p>CC = D30^2 / (D60 * D10)</p> Signup and view all the answers

    If the plasticity index of a soil mass is zero, what type of soil is it likely to be?

    <p>Sand</p> Signup and view all the answers

    What is the relationship between modulus of elasticity (E), bulk modulus (K), and Poisson's ratio (ν)?

    <p>E = 3K(1 - 2/ν)</p> Signup and view all the answers

    What is the formula for maximum deflection in a simply supported beam with a central point load?

    <p>WL^3 / 8EI</p> Signup and view all the answers

    What symbol is used for well-graded gravel according to the ISC classification system?

    <p>GW</p> Signup and view all the answers

    What is the expression for the moment of inertia of a rectangle with respect to another axis not specified?

    <p>Ixx = bd^3 / 24</p> Signup and view all the answers

    Which of these would NOT be classified as fine-grained soil?

    <p>Sand</p> Signup and view all the answers

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