🚧 Civil Engineering Solved MCQs with Answers

Practice 1228 approved 🚧 Civil Engineering questions with verified answers from the 🛠️ Engineering Essentials subject for Pakistan exams.

1228 solved MCQs

Beams composed of more than one material, rigidly connected together so as to behave as one piece, are known asAnswer: Composite beams. Pick up the correct statement from the following:Answer: All the above. The maximum magnitude of shear stress due to shear force F on a rectangular section of area A at the neutral axis, isAnswer: 3F/2A The tangential component of stress on an plane inclined θ° to the direction of the force, may be obtained by multiplying the normal stress byAnswer: sin2θ There are two hinged semicircular arches A, B and C of radii 5 m, 7.5 m and 10 m respectively and each carries a concentrated load W at their crowns. The horizontal thrust at their supports will be in the ratio ofAnswer: 1 : 1 : 2 A shaft is subjected to bending moment M and a torque T simultaneously. The ratio of the maximum bending stress to maximum shear stress developed in the shaft, isAnswer: 2M/T The ratio of the deflections of the free end of a cantilever due to an isolated load at l/3rd and 2/3rd of the span, isAnswer: 2/7 If Q is load factor, S is shape factor and F is factor of safety in elastic design, the following:Answer: Q = S x F In plastic analysis, the shape factor for a triangular section, isAnswer: 2.34 Pick up the correct statement from the following:Answer: All the above. If ΣH and ΣV are the algebraic sums of the forces resolved horizontally and vertically respectively, and ΣM is the algebraic sum of the moments of forces about any point, for the equilibrium of the body acted uponAnswer: all the above. For determining the support reactions at A and B of a three hinged arch, points B and C are joined and produced to intersect the load line at D and a line parallel to the load line through A at D'. Distances AD, DD' and AD' when measured were 4 cm, 3 cm and 5 cm respectively. The angle between the reactions at A and B isAnswer: 90° Pick up the incorrect statement from the following : The torsional resistance of a shaft is directly proportional toAnswer: moment of inertia of the shaft section. 1 kg wt in gravitational unit equalsAnswer: 9.8 N in SI system To convert the units of M.K.S. to units of S.I., a factor 9.80665 is used forAnswer: all the above. To convert the units of M.K.S. to units of S.I., a factor 9.80665 is used forAnswer: all the above. The basic quantity in the International system of units, isAnswer: all the above. Intensity of electric current is expressed inAnswer: amperes Pick up the correct statement from the following:Answer: All the above. The fundamental units in S.I. system, are the same as that ofAnswer: M.K.S. units Pick up the correct statement from the following:Answer: All the above. The solid angles are measured inAnswer: Steradians. Pick up the correct statement from the following:Answer: All the above. If α is the angular acceleration of a body of moment of inertia I, the torque isAnswer: I α In SI units, moment is expressed asAnswer: all the above. Hertz (Hz) is used to expressAnswer: frequency. Candela (Cd) is used to expressAnswer: luminous intensity The fundamental units in S.I. System are :Answer: Metre, kilogram, second The bar used for defining the standard metre at the International office of weights and measures at Sevres near Paris, is composed ofAnswer: 90% platinum and 10% iridium One Newton is equivalent toAnswer: 0.10197 kgf