🚧 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

In a mortar, the binding material isAnswer: cement Lacquer paintsAnswer: all of the above Wrought iron contains carbon uptoAnswer: 0.25% Pick up the polymineralic rock from the following:Answer: Granite Pick up the correct statement from the following:Answer: All the above. Ultimate strength to cement is provided byAnswer: Di-calcium silicate Elastomers can extend uptoAnswer: ten times their original dimensions Bitumen feltAnswer: all of the above In the method of condensation polymerization,Answer: all of the above In the cement the compound quickest to react with water, isAnswer: Tricalcium aluminate The initial setting time of lime-pozzolana, isAnswer: 120 minutes. The clay to be used for manufacturing bricks for a large project, is dugout and allowed to weather throughoutAnswer: the monsoon Which type of light energy is effectively absorbed by CO2 in the lower boundary of the troposphere ?Answer: Infra-red rays The following steps are involved in laying a sewer in a trench : 1. Transferring the center line of the sewer to the bottom trench. 2. Setting sight rails over the trench. 3. Driving pegs to the level of the invert line of the sewer. 4. Placing the sewer of these steps is The correct sequence of these steps isAnswer: 2, 3, 1, 4 A horizontal rod AB carries three loads of 3.0 kg, 7.0 kg and 10.0 kg at distances of 2.0 cm, 9.0 cm and 15 cm respectively from A where it is hinged. Neglecting the weight of the rod, which is the point at which the rod will be balance ?Answer: 10.95 cm form A The rocks which are formed due to cooling of magma at a considerable depth from earth's surface are calledAnswer: Plutonic rocks Distemper is used to coatAnswer: interior surfaces not exposed to weather Two simply supported beams B1 and B2 have spans l and 2l respectively. Beam B1 has a cross-section of 1 x 1 units and beam B2 has a cross-section of 2 x 2 units. These beams are subjected to concentrated loads W each at the centre of their spans. The ratio of the maximum flexural stress in these beams isAnswer: 4 Quartzite is aAnswer: metamorphic rock A soil has a liquid limit of 45% and lies above the A-line when plotted on a plasticity chart. The group, symbol of the soil as per Soil Classification isAnswer: CI A high efficiency pump is required for low discharge, high head and low maintenance cost. Delivery of water need not be continuous. The pump need not run at high speed. Which one of the following is the correct choice ?Answer: Reciprocating pump The variety of pig iron used for manufacture of wrought iron, isAnswer: White forge pig For total reaction time of 2.5 seconds, coefficient of friction 0.35, design speed 80 km/h, what is the stopping sight distance on a highway ?Answer: 127 m What is the use of a station pointer ?Answer: For plotting of soundings in harbour area According to ICAO recommendations, what is the rate of elevation correction for the runway above MSL ?Answer: 7 % for every 300 m of elevation above MSL The absolute maximum Bending Moment in a simply supported beam of span 20 m due to moving udl of 4 t/m spanning over 5 m isAnswer: 87.5 t-m at the midpoint The following steps are involved in making a spigot and socket joint of cast iron pipes used in water supply systems : 1. Tarred gasket or hemp yarn in wrapped around the spigot. 2. The sipgot end is centered into the socket end of the preceding pipe. 3. A joining ring end is placed around the barrel and against the face of the socket. 4. The gasket or hemp yarn in caulked slightly. 5. Molten pig lead is poured and then caulked. The correct sequence of these steps isAnswer: 1, 2, 4, 5, 3 Sand stone isAnswer: sedimentary rock Consider the following statements : A : In masonry, bricks are joined together by cement mortar. B : Cement mortar adheres more effectively to brick surface than any other material.Answer: A is false but R is true If the furnace is provided with insufficient fuel at low temperatures, the type of pig iron produced, is calledAnswer: White or forge pig