🚧 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

The distance measured along one rivet line from the centre of a rivet to the centre of adjoining rivet on an adjacent parallel rivet line, is calledAnswer: staggered pitch Tongue plates are provided in a steel girder atAnswer: the upper and lower ends of the web. In a combined footing if shear stress exceeds 5 kg/cm2, the nominal stirrups provided are:Answer: 12 legged The maximum area of tension reinforcement in beams shall not exceedAnswer: 4% As per I.S. 456 - 1978, the pH value of water shall beAnswer: not less than 6 The minimum number of main steel bars provided in R.C.C.Answer: all the above. Post tensioning systemAnswer: is economical for large spans and is adopted now a days An R.C.C. column is treated as long if its slenderness ratio is greater thanAnswer: 50 The width of the flange of a T-beam should be less thanAnswer: least of the above. A prestressed rectangular beam which carries two concentrated loads W at L/3 from either end, is provided with a bent tendon with tension P such that central one-third portion of the tendon remains parallel to the longitudinal axis, the maximum dip h isAnswer: WL/3P Pick up the correct statement from the following:Answer: A pile is a slender member which transfers its load to the surrounding soil Cantilever retaining walls can safely be used for a height not more thanAnswer: 6 m If a bent tendon is required to balance a concentrated load W at the centre of the span L, the central dip h must be at leastAnswer: WL/4P If the average bending stress is 6 kg/cm2 for M 150 grade concrete, the length of embedment of a bar of diameter d according to I.S. 456 specifications, isAnswer: 58 d Bottom bars under the columns are extended into the interior of the footing slab to a distance greater thanAnswer: 42 diameters from the outer edge of the column The diameter of longitudinal bars of a column should never be less thanAnswer: 12 mm The design of a retaining wall assumes that the retained earthAnswer: all the above. The thickness of base slab of a retaining wall generally provided, isAnswer: width of the stem at the bottom For a circular slab carrying a uniformly distributed load, the ratio of the maximum negative to maximum positive radial moment, isAnswer: 2 Thickened part of a flat slab over its supporting column, is technically known asAnswer: drop panel An R.C.C. beam not provided with shear reinforcement may develop cracks in its bottom inclined roughly to the horizontal atAnswer: 45° The effective span of a simply supported slab, isAnswer: clear distance between the inner faces of the walls plus twice the thickness of the wall Pick up the incorrect statement from the following:Answer: None of these. The number of treads in a flight is equal toAnswer: risers minus one A foundation rests onAnswer: both (b) and (c) For initial estimate for a beam design, the width is assumedAnswer: 1/30th of span The advantage of a concrete pile over a timber pile, isAnswer: all the above. If the permissible compressive stress for a concrete in bending is C kg/m2, the modular ratio isAnswer: 2800/3C If d and n are the effective depth and depth of the neutral axis respectively of a singly reinforced beam, the lever arm of the beam, isAnswer: d-n/3 To have pressure wholly compressive under the base of a retaining wall of width b, the resultant of the weight of the wall and the pressure exerted by the retained, earth should have eccentricity not more thanAnswer: b/6