MCQOPTIONS
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MCQOPTIONS
This section includes 407 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
Which of the following cements contains maximum percentage of dicalcium silicate? |
| A. | rdinary Portland cement |
| B. | ow heat cement |
| C. | apid hardening cement |
| D. | ulphate resisting cement |
| Answer» C. apid hardening cement | |
| 102. |
The process of mixing clay, water and other ingredients to make brick is known as |
| A. | neading |
| B. | oulding |
| C. | ugging |
| D. | rying |
| Answer» B. oulding | |
| 103. |
Based on the following rocks and minerals, select the correct statement, quartz, shale, basalt, granite, marble, gypsum, mica |
| A. | asalt and marble are the only metamorphic rocks |
| B. | here is no sedimentary rock |
| C. | ranite is the only igneous rock |
| D. | uartz and mica are minerals |
| Answer» E. | |
| 104. |
Which one of the following is an air binding material? |
| A. | ypsum |
| B. | cid-resistant cement |
| C. | uick lime |
| D. | ll of these |
| Answer» E. | |
| 105. |
A good building stone should not absorb water more than |
| A. | % |
| B. | 0 % |
| C. | 5 % |
| D. | 0 % |
| Answer» B. 0 % | |
| 106. |
The stone suitable for rubble masonry should be. |
| A. | ard |
| B. | ough |
| C. | eavy |
| D. | ight |
| Answer» B. ough | |
| 107. |
Proper amount of entrained air in concrete results in(i) Better workability(ii) Better resistance to freezing and thawing(iii) Lesser workability(iv) Less resistance to freezing and thawing |
| A. | i) and (ii) |
| B. | i) and (iv) |
| C. | ii) and (iii) |
| D. | iii) and (iv) |
| Answer» B. i) and (iv) | |
| 108. |
The most common admixture which is used to accelerate the initial set of concrete is |
| A. | ypsum |
| B. | alcium chloride |
| C. | alcium carbonate |
| D. | one of the above |
| Answer» C. alcium carbonate | |
| 109. |
The basic purpose of a retarder in concrete is |
| A. | o increase the initial setting time of cement paste in concrete |
| B. | o decrease the initial setting time of cement paste in concrete |
| C. | o render the concrete more water tight |
| D. | o improve the workability of concrete mix |
| Answer» B. o decrease the initial setting time of cement paste in concrete | |
| 110. |
The rocks having alumina or clay as their major constituents are known as |
| A. | iliceous rocks |
| B. | rgillaceous rocks |
| C. | alcareous rocks |
| D. | edimentary rocks |
| Answer» C. alcareous rocks | |
| 111. |
The moisture content in a well seasoned timber is |
| A. | % to 6 % |
| B. | 0 % to 12 % |
| C. | 5 % to 20 % |
| D. | 00 % |
| Answer» C. 5 % to 20 % | |
| 112. |
Crushing strength of a first class brick should not be less than |
| A. | .5 N/mm² |
| B. | .0 N/mm² |
| C. | 0.5 N/mm² |
| D. | 4.0 N/mm² |
| Answer» D. 4.0 N/mm² | |
| 113. |
According to IS specifications, the compressive strength of ordinary Portland cement after three days should not be less than |
| A. | MPa |
| B. | 1.5 MPa |
| C. | 6 MPa |
| D. | 1 MPa |
| Answer» D. 1 MPa | |
| 114. |
The initial setting time for ordinary Portland cement as per IS specifications should not be less than |
| A. | 0 minutes |
| B. | 0 minutes |
| C. | 0 minutes |
| D. | 00 minutes |
| Answer» C. 0 minutes | |
| 115. |
Pug mill is used for |
| A. | reparation of clay |
| B. | oulding of clay |
| C. | rying of bricks |
| D. | urning of bricks |
| Answer» B. oulding of clay | |
| 116. |
Glazing is used to make earthenware |
| A. | ard |
| B. | oft |
| C. | orous |
| D. | mpervious |
| Answer» E. | |
| 117. |
Gneiss is obtained from |
| A. | gneous rocks |
| B. | etamorphic rocks |
| C. | edimentary rocks |
| D. | edimentary metamorphic rocks |
| Answer» E. | |
| 118. |
Percentage of carbon content in mild steel is |
| A. | ess than 0.25 |
| B. | etween 0.25 and 0.7 |
| C. | etween 0.7 and 1.5 |
| D. | reater than 1.5 |
| Answer» B. etween 0.25 and 0.7 | |
| 119. |
Quick lime is(i) Slow in setting(ii) Rapid in slacking(iii) Good in strength |
| A. | nly (i) |
| B. | nly (ii) |
| C. | oth (i) and (ii) |
| D. | oth (ii) and (iii) |
| Answer» D. oth (ii) and (iii) | |
| 120. |
Excess of silica in brick earth results in |
| A. | racking and warping of bricks |
| B. | oss of cohesion |
| C. | nhancing the impermeability of bricks |
| D. | one of the above |
| Answer» C. nhancing the impermeability of bricks | |
| 121. |
The minimum compressive strength of 2nd class bricks should be |
| A. | 5 kg/cm² |
| B. | 0 kg/cm² |
| C. | 00 kg/cm² |
| D. | 20 kg/cm² |
| Answer» B. 0 kg/cm² | |
| 122. |
The proportions of lime and sand in the mortar normally used in brick construction are |
| A. | : 2 |
| B. | : 4 |
| C. | : 6 |
| D. | : 8 |
| Answer» B. : 4 | |
| 123. |
Which of the following has more fire resisting characteristics? |
| A. | arble |
| B. | ime stone |
| C. | ompact sand stone |
| D. | ranite |
| Answer» D. ranite | |
| 124. |
The usual percentages of clay and metal in cermet are: |
| A. | 0%, 50% |
| B. | 0%, 40% |
| C. | 0%, 30% |
| D. | 0%, 20% |
| Answer» E. | |
| 125. |
Compared to mild steel, cast iron has(i) High compressive strength(ii) High tensile strength(iii) Low compressive strength(iv) Low tensile strength |
| A. | i) and (ii) |
| B. | ii) and (iii) |
| C. | iii) and (iv) |
| D. | i) and (iv) |
| Answer» E. | |
| 126. |
If ‘P’ is the percentage of water required for normal consistency, water to be added for determination of initial setting time, is |
| A. | .70 P |
| B. | .75 P |
| C. | .80 P |
| D. | .85 P |
| Answer» E. | |
| 127. |
The cast iron when heated to red heat with powdered red haematite in an oven for increasing its toughness, is converted to |
| A. | rey cast iron |
| B. | hite cast iron |
| C. | ottled cast iron |
| D. | oughed cast iron |
| Answer» D. oughed cast iron | |
| 128. |
Stucco paints are suitable for |
| A. | tone masonry |
| B. | rick walls |
| C. | oth (A) and (B) |
| D. | either (A) nor (B) |
| Answer» D. either (A) nor (B) | |
| 129. |
The most important constituent of an oil paint, is |
| A. | hinner |
| B. | ehicle |
| C. | igment |
| D. | ll the above |
| Answer» E. | |
| 130. |
Steel contains carbon approximately |
| A. | The melamine when reacted with formaldehyde forms the melamine-formaldehyde resin |
| B. | The plastics made from melamine formaldehyde resin, are used for electrical insulators |
| C. | All the above. |
| D. | 1.50% to 5.6% |
| Answer» C. All the above. | |
| 131. |
Soundness test of cement determines |
| A. | asbestos sheets. |
| B. | quality of free lime |
| C. | ultimate strength |
| D. | durability |
| Answer» B. quality of free lime | |
| 132. |
The coefficient of hardness of stones used in road work should be greater than |
| A. | 70 to 75. |
| B. | 10 |
| C. | 12 |
| D. | 15 |
| Answer» E. | |
| 133. |
If water required for 1 bag of cement is 30 litres, the water cement ratio is : |
| A. | smelting. |
| B. | 0.4 |
| C. | 0.5 |
| D. | 0.6 |
| Answer» D. 0.6 | |
| 134. |
Stuco paints are suitable for |
| A. | 150 kg/cm2. |
| B. | stone masonry |
| C. | brick walls |
| D. | both (a) and (b) |
| Answer» D. both (a) and (b) | |
| 135. |
The process of manufacturing steel by heating short lengths of wrought iron bars mixed with charcoal in fire clay crucibles and collecting the molten iron into moulds, is known as |
| A. | all the above. |
| B. | Cementation process |
| C. | Crucible process |
| D. | Bessemer process |
| Answer» C. Crucible process | |
| 136. |
Kaolin is chemically classified as |
| A. | metamorphic rock |
| B. | argillaceous rock |
| C. | calcareous rock |
| D. | silicious rock. |
| Answer» C. calcareous rock | |
| 137. |
For melting one tonne of cast iron |
| A. | Mottled pig. |
| B. | 700 m3 air is required |
| C. | 20 kg limestone is required |
| D. | one quintal coke is required |
| Answer» E. | |
| 138. |
Pick up the rock which is not a sedimentary rock from the following: |
| A. | sea |
| B. | gravel powder. |
| C. | gravel |
| D. | sand stone |
| Answer» E. | |
| 139. |
To retard the initial setting time of cement, the compound responsible, is |
| A. | Tricalcium silicate |
| B. | Gypsum |
| C. | Di-calcium silicate |
| D. | Tri calcium aluminate. |
| Answer» C. Di-calcium silicate | |
| 140. |
The rocks having alumina or clay as their major constituents, are known as |
| A. | 2.72 |
| B. | 3.00. |
| C. | siliceous rocks |
| D. | argillaceous rocks |
| Answer» C. siliceous rocks | |
| 141. |
In order of increasing percentage of silica, the correct sequence is |
| A. | Calcareous rock |
| B. | None of these. |
| C. | sandy clay, calcareous clay, pure clay |
| D. | calcareous clay, pure clay, sandy clay |
| Answer» C. sandy clay, calcareous clay, pure clay | |
| 142. |
The compound of Portland cement which reacts immediately with water and also sets first is |
| A. | Tri-calcium silicate |
| B. | Di-calcium silicate |
| C. | Tri-calcium aluminate |
| D. | Tetra calcium alumino ferrite. |
| Answer» D. Tetra calcium alumino ferrite. | |
| 143. |
During smelting process, the combination of fuel in the furnace |
| A. | All of these. |
| B. | forms carbon dioxide |
| C. | carbon dioxide with carbon forms carbon mono-oxide |
| D. | carbon mono-oxide reacts with Fe2O3 to form iron and liberates CO2 |
| Answer» E. | |
| 144. |
The compound of Portland cement which contributes to the strength after two to three years is |
| A. | metamorphic rocks |
| B. | none of these. |
| C. | Tricalcium silicate |
| D. | Di-calcium silicate |
| Answer» C. Tricalcium silicate | |
| 145. |
Plaster of Paris is obtained by calcining |
| A. | bauxite |
| B. | gypsum |
| C. | kankar |
| D. | lime stone |
| Answer» C. kankar | |
| 146. |
The kiln which may work throughout the year, is |
| A. | All of these. |
| B. | Clamp |
| C. | Bull's kiln |
| D. | Hoffman's kiln |
| Answer» D. Hoffman's kiln | |
| 147. |
In paints, the pigment is responsible for |
| A. | durability |
| B. | colour |
| C. | smoothness |
| D. | glassy face |
| Answer» C. smoothness | |
| 148. |
According to ISI, bitumen is classified into |
| A. | 2 grades |
| B. | 4 grades |
| C. | 6 grades |
| D. | 8 grades. |
| Answer» E. | |
| 149. |
The base material for distemper, is |
| A. | chalk |
| B. | lime |
| C. | lime putty |
| D. | cement wash. |
| Answer» B. lime | |
| 150. |
Rocks formed due to alteration of original structure due to heat and excessive pressure are called |
| A. | 0.6 |
| B. | 1.0. |
| C. | sedimentary rocks |
| D. | igneous rocks |
| Answer» D. igneous rocks | |