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MCQOPTIONS
This section includes 5814 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 2101. |
Mercury (density = 13600 kg/m3, = 0.49N/mm internal diameter open-ended capillary tube is inserted in the middle of the beaker into the mercury. The meniscus in the tube will be below the external mercury surface by how much distance? |
| A. | 4.2 mm |
| B. | 5.7 mm |
| C. | 6.8 mm |
| D. | 7.3 mm |
| Answer» E. | |
| 2102. |
Self-purification of running streams may be due to |
| A. | sedimentation, oxidation land coagulation |
| B. | dilution, sedimentation and oxidation |
| C. | dilution, sedimentation and coagulation |
| D. | dilution, oxidation and coagulation |
| Answer» C. dilution, sedimentation and coagulation | |
| 2103. |
Which one of the following pairs is not correctly matched ? |
| A. | Water losses....Evaporation |
| B. | Runoff....Stream flow |
| C. | Percolation....Soil Erosion |
| D. | Storm....Precipitation |
| Answer» B. Runoff....Stream flow | |
| 2104. |
Which of the following statements is/are true in relation to the term 'detention period' in a settling tank?1. It may be determined by introducing a dye in the inlet and timing its appearance at the outlet.2. Greater the detention period, greater the efficiency of removal of settleable matter.3. It is the time taken for any unit of water to pass through the setting basin.4. It is usually more than the flowthrough period.Select the correct answer using the codes given below : |
| A. | 1, 2, 3 and 4 |
| B. | 2, 3 and 4 |
| C. | 1 and 3 |
| D. | 4 alone |
| Answer» B. 2, 3 and 4 | |
| 2105. |
At a rated capacity of 44 Cumecs, a centrifugal pump develops 36 m of head when operating at 1450 rpm. Its specific speed is : |
| A. | 654 |
| B. | 509 |
| C. | 700 |
| D. | 90 |
| Answer» B. 509 | |
| 2106. |
The group efficiency of a pile group |
| A. | will be always less than 100%. |
| B. | will be always greater than 100%. |
| C. | may be less than 100% or more than 100%. |
| D. | will be more than 100% for pile groups in cohensionless soils and less than 100% for those in cohesive soils. |
| Answer» E. | |
| 2107. |
In the plate bearing test, if the load applied is in the form of an inflated type of wheel, then this mechanism corresponds to : |
| A. | rigid plate |
| B. | flexible plate |
| C. | semi-rigid plate |
| D. | semi-elastic plate |
| Answer» D. semi-elastic plate | |
| 2108. |
Use of coagulants such as alum |
| A. | results in reduction of pH of the treated water. |
| B. | results in increase of pH of the treated water. |
| C. | results in no chnage in pH of the treated water. |
| D. | may cause an increase in decrease of decrease of pH of the treated water. |
| Answer» B. results in increase of pH of the treated water. | |
| 2109. |
The number of simultaneous equations to be solved in the slope deflection method, is equal to : |
| A. | the degree of statical indeterminacy |
| B. | the degree of kinematic indeterminacy |
| C. | the number of joints in the structure |
| D. | none of the above |
| Answer» D. none of the above | |
| 2110. |
The treatment that should be given to the water from a deep tube well is : |
| A. | pre-settling only |
| B. | coagulation and flocculation only |
| C. | filtration only |
| D. | disinfection only |
| Answer» E. | |
| 2111. |
Maximum size of a fillet weld for a plate of square edge is |
| A. | 1.5 mm less than the thickness of the plate |
| B. | one half of the thickness of the plate |
| C. | thickness of the plate itself |
| D. | 1.5 mm more than the thickness of the plate |
| Answer» B. one half of the thickness of the plate | |
| 2112. |
Which one of the following questions is relevant to the construction estimates : |
| A. | Did the estimators precisely evaluate site conditions ? |
| B. | Did the estimators use short cut methods which may be un realistic in their situation ? |
| C. | How much money will the contractor's risk, loosing if he Were to submit bid on the raw estimate of cost. |
| D. | All of these |
| Answer» E. | |
| 2113. |
The ratio obtained by dividing 'quick assests' by current liabilities is called |
| A. | Turnover ratio |
| B. | Acid test ratio |
| C. | Solvency ratio |
| D. | None of these. |
| Answer» C. Solvency ratio | |
| 2114. |
Which one of the following definitions, is correct ? |
| A. | The ratio of total debt to share holder's equity is called 'debt ratio'. |
| B. | The ratio debt-to-total assests is called Debt-to-total assest ratio. |
| C. | The ratio of earnings before interest and taxes for a particular reporting period to the amount of interest charges for the period, is called interest coverage ratio. |
| D. | All of these |
| Answer» E. | |
| 2115. |
The estimator for definitive estimates must be able : |
| A. | and an all-around construction expert. |
| B. | to read the plans and specifications to determine accurate quantities of permanent materials and installed Equipment. |
| C. | to express the job material requirements in dimensions suitable for costing and construction supplies. |
| Answer» D. | |
| 2116. |
Pick up the element of the cost from the following: |
| A. | direct material |
| B. | direct labour |
| C. | Over head |
| D. | All of these |
| Answer» E. | |
| 2117. |
Lacquer paints |
| A. | are generally applied on structural steel |
| B. | are less durable as compared to enamel paints |
| C. | consist of resin and nitro-cellulose |
| D. | contain alcohol as thinner |
| E. | all the above. |
| Answer» F. | |
| 2118. |
Sewer pipes are made of |
| A. | earthen ware |
| B. | stone ware |
| C. | refractory clay |
| D. | terracota |
| E. | all the above. |
| Answer» C. refractory clay | |
| 2119. |
The standard size of masonry bricks, is |
| A. | 18 cm x 8 cm x 8 cm |
| B. | 19 cm x 9 cm x 9 cm |
| C. | 20 cm x 10 cm x 10 cm |
| D. | 21 cm x 11 cm x 11 cm |
| E. | none of these. |
| Answer» C. 20 cm x 10 cm x 10 cm | |
| 2120. |
In paints, the pigment is responsible for |
| A. | durability |
| B. | colour |
| C. | smoothness |
| D. | glassy face |
| E. | none of these. |
| Answer» C. smoothness | |
| 2121. |
In order of increasing percentage of silica, the correct sequence is |
| A. | sandy clay, calcareous clay, pure clay |
| B. | calcareous clay, pure clay, sandy clay |
| C. | pure clay, sandy clay, calcareous clay |
| D. | None of these. |
| Answer» C. pure clay, sandy clay, calcareous clay | |
| 2122. |
Dolomite is a lime stone which contains carbonate of magnesia upto |
| A. | 15% |
| B. | 20% |
| C. | 25% |
| D. | 35% |
| E. | 45%. |
| Answer» F. | |
| 2123. |
Cast iron is used for |
| A. | structural works in beams |
| B. | small sized water pipes |
| C. | columns and struts |
| D. | none to these. |
| Answer» D. none to these. | |
| 2124. |
Seasoning of timber is done |
| A. | to make it water proof |
| B. | to paint its surface |
| C. | to increase its temperature |
| D. | to remove water. |
| Answer» E. | |
| 2125. |
The curved swellings from the growth of layers or wounds left after branches are cut off in an irregular manner, are known as |
| A. | knots |
| B. | rindgalls |
| C. | burls |
| D. | none of these. |
| Answer» C. burls | |
| 2126. |
Laterite is a/an |
| A. | volcanic rock |
| B. | argillaceous rock |
| C. | calcareous rock |
| D. | silicious rock. |
| Answer» C. calcareous rock | |
| 2127. |
Seasoning of timber is essential to remove |
| A. | knots from timber |
| B. | sap from timber |
| C. | twisted fibre from timber |
| D. | roughness of timber. |
| Answer» C. twisted fibre from timber | |
| 2128. |
Lime putty |
| A. | is made from hydraulic lime |
| B. | is made by adding lime to water |
| C. | can be used only upto three days |
| D. | may be obtained from drying lime water mix passing through IS sieve No. 300 |
| E. | all of above. |
| Answer» F. | |
| 2129. |
The steel used for the manufacture of rails, is |
| A. | Bessemer steel |
| B. | mild steel |
| C. | cast steel |
| D. | stainless steel. |
| Answer» B. mild steel | |
| 2130. |
Slump test for concrete is carried out, to determine |
| A. | strength |
| B. | durability |
| C. | workability |
| D. | water content. |
| Answer» D. water content. | |
| 2131. |
Critical factors for the activated sludge treatment process are |
| A. | maximum hourly flow rate. |
| B. | maximum and minimum flow rate. |
| C. | maximum hourly flow rate and maximum daily organic load. |
| D. | minimum hourly flow rate and minimum daily organic load. |
| Answer» D. minimum hourly flow rate and minimum daily organic load. | |
| 2132. |
The degree of static indeterminacy of the rigid frame having two internal hinges as shown in the figure below, is |
| A. | 8 |
| B. | 7 |
| C. | 6 |
| D. | 5 |
| Answer» E. | |
| 2133. |
A direct runoff hydrograph due to an isolated storm with an effective rainfall of 2 cm was trapezoidal in shape as shown in the below figure. The hydrograph corresponds to a catchment area (in sq. km) of |
| A. | 790.2 |
| B. | 599.4 |
| C. | 689.5 |
| D. | 435.3 |
| Answer» C. 689.5 | |
| 2134. |
On an immersed body in a flowing fluid the lift force is : |
| A. | due to buoyant force |
| B. | always in the opposite direction to gravity |
| C. | due to Wake phenomenon |
| D. | the dynamic fluid-force component normal to approach velocity |
| Answer» C. due to Wake phenomenon | |
| 2135. |
The degree of kinematic indeterminacy of the rigid frame with clamped ends at A and D shown in the below figure is, |
| A. | 4 |
| B. | 3 |
| C. | 2 |
| D. | zero |
| Answer» C. 2 | |
| 2136. |
The most important water quality parameter for domestic use of water is |
| A. | carbonate hardness |
| B. | non-carbonate hardness |
| C. | coliform group of organisms |
| D. | chlorides |
| Answer» C. coliform group of organisms | |
| 2137. |
For the structure shown below, the vertical deflection at point A is given by |
| A. | <img src="/_files/images/civil-engineering/gate-exam-questions/913-282-2.png"> |
| B. | <img src="/_files/images/civil-engineering/gate-exam-questions/913-282-3.png"> |
| C. | Zero |
| D. | <img src="/_files/images/civil-engineering/gate-exam-questions/913-282-4.png"> |
| Answer» C. Zero | |
| 2138. |
The value of bearing capacity factor for cohesion, Nc, for piles as per Meyerhof, is taken as : |
| A. | 6.2 |
| B. | 12.0 |
| C. | 9.0 |
| D. | 5.14 |
| Answer» E. | |
| 2139. |
In highway pavements emulsions are mainly used in : |
| A. | surface dressing |
| B. | patching and maintenance operation |
| C. | bitumen macadam |
| D. | asphaltic concrete |
| Answer» C. bitumen macadam | |
| 2140. |
The standard plate size in a plate bearing test for finding modulus of subgrade reaction (k) value is |
| A. | 100 cm diameter. |
| B. | 50 cm diameter. |
| C. | 75 cm diameter. |
| D. | 25 cm diameter. |
| Answer» D. 25 cm diameter. | |
| 2141. |
Chlorine is some times used in sewage treatment |
| A. | to avoid flocculation |
| B. | to increase biological activity of bacteria |
| C. | to avoid bulking of activated sludge |
| D. | to help in grease separation |
| Answer» D. to help in grease separation | |
| 2142. |
A saturated clay stratum draining both at the top and bottom undergoes 50 percent consolidation in 16 years under an applied load. If an additional drainage layer were present at the middle of the clay stratum, 50 percent consolidation would occur in |
| A. | 2 years |
| B. | 4 years |
| C. | 8 years |
| D. | 16 years |
| Answer» C. 8 years | |
| 2143. |
The material that exhibits the same elastic properties in all the directions at a point, is said to be |
| A. | homogeneous |
| B. | orthotropic |
| C. | visco-elastic |
| D. | isotropic |
| Answer» E. | |
| 2144. |
As per IS : 800-1984 the maximum allowable slenderness ratio of compression members carrying forces resulting from dead load and superimposed load is |
| A. | 180 |
| B. | 250 |
| C. | 300 |
| D. | 400 |
| Answer» B. 250 | |
| 2145. |
The maximum permissible deflection for a gantry girder, spanning over 6 m, on which an EOT (electric overhead travelling) crane of capacity 200 kN is operating, is |
| A. | 8 mm |
| B. | 10 mm |
| C. | 12 mm |
| D. | 18 mm |
| Answer» B. 10 mm | |
| 2146. |
The basic assumption of plane sections normal to the neutral axis before bending, remaining plane and normal to the neutral axis after bending, leads to : |
| A. | uniform strain over the beam cross section |
| B. | uniform stress over the cross section |
| C. | linearly varying strain over the cross section |
| D. | stresses which are proportional to strains at all cross sections |
| Answer» B. uniform stress over the cross section | |
| 2147. |
Negative skin friction occurs when : |
| A. | an upward drag exists in the pile |
| B. | the surrounding soil settles more than the pile |
| C. | the pile passes continuously through a firm soil |
| D. | the driving operation begins |
| Answer» C. the pile passes continuously through a firm soil | |
| 2148. |
Both Reynolds and Froude numbers assume significance in one of following examples : |
| A. | Motion of submarine at large depths |
| B. | Motion of ship in deep seas |
| C. | Cruising of a missile in air |
| D. | Flow over spillways |
| Answer» E. | |
| 2149. |
Two footings, one circular and the other square, are founded on the surface of a purely cohesionless soil. The diameter of the circular footing is same as that of the side of the square footing. The ratio of their ultimate bearing capcities is |
| A. | 3/4 |
| B. | 4/3 |
| C. | 1.0 |
| D. | 1.3 |
| Answer» E. | |
| 2150. |
Design rate of super elevation for horizontal highway curve of radius 450 m for a mixed traffic condition, having a speed of 125 km/hour is |
| A. | 1.0 |
| B. | 0.05 |
| C. | 0.07 |
| D. | 0.154 |
| Answer» E. | |