You Are On Multi Choice Question Bank SET 891
44552. Which one of the following statements is correct ? The function of an air vessel in a reciprocating pump is to obtain :
44554. A steel rod, 100 mm long is held between two rigid supports. It is heated by 20°C. If the coefficient of thermal expansion of the material of the rod is 15 x 10-6 /° C and modulus of elasticity is 200 x 103 MN/m2, what is the stress in the rod ?
44555. Consider for following statements :In an under-reinforced concrete beam, 1. actual depth of neutral axis is less than the critical depth of neutral axis.2. concrete reaches ultimate stress prior to steel reaching the ultimate stress.3. moment of resistance is less than that of balanced sections.4. lever arm of resisting couple is less than that of balanced sections.Which of the statements given above are correct ?
44556. What is the appropriate field test to determine the in-situ undrained shear strength of a soft clay ?
44557. What is the maximum number of passenger cars that can pass a given point on a lane or roadway during one hour under ideal roadway and traffic conditions, known as ?
44558. In PERT, the actual time duration along the critical path for the project completion time is probabilistic. It is usually presumed to follow which one of the following ?
44561. Which of the following treatments reduce salinity of water1. Flash mixing and sedimentation2. Electrodialysis3. Reverse osmosis4. Freezing5. FiltrationSelect the correct answer using the codes given below:
44563. A concentrated load W moves on the span of a three-hinged arch. The horizontal thrust at the supports is maximum when the load is at which one of the following ?
44564. A 30 m steel tape was standardised at 20°C measurements of distances were taken as 15°C. If the coefficient of linear expansion of the material of the tape were 0.00, 00112 degree centigrade, then the error, due to temperature, per tape length would be
44567. The final deflection due to all loads including the effects of temperature, creep and shrinkage and measured from as-cast level of supports of floors, roofs and all other horizontal members should NOT exceed
44569. A bed of sand consists of three horizontal layers of equal thickness. The value of Darcy's k for the upper and lower layers is 1 x 10-2 cm/sec and that for the middle layer is 1 x 10-1 cm/sec. The ratio of the permeability of the bed in the horizontal direction to that in the vertical direction is
44570. Consider the following statements relating to hydraulic gradient line and energy gradient line1. In the case of a fluid flowing in a pipeline, hydraulic gradient line and energy gradient line may coincide.2. The line joining the points representing piezometric heads is known as hydraulic gradient line.3. In the case of ideal fluid, energy gradient line is always horizontal.4. Hydraulic gradient line has a downward slope in the case of flow through pipes.Of these statements :
44571. An open cylindrical vessel with axis vertical and filled with a liquid is falling freely with an acceleration What will be the absolute pressure at the base of the vessel ?
44573. On which of the following is the working principle of concrete hammer for non-destructive test based ?
44574. Given for a soil sample :Degree of saturation = 90%Specific gravity of soil grains = 2.70Void ratio = 0.30The water content of the sample is
44575. Consider the following factors :1. Air traffic control measures2. Aircraft traffic composition3. VFR/IFR operation4. Runway configurationWhich of these factors affect the capacity of a runway ?
44576. A city supply of 15000 cubic metres of water per day is treated with a chlorine dosage of 0.5 ppm. For this purpose, the requirement of 25% bleaching powder per day would be
44577. The ratio between the stress produced in a bar by a sudden application of load (impact loading) as compared to the stress produced by the gradual application of same load is
44579. Which among the following brings about the Hazardous Waste Management and Handling Rules in India?
44580. Consider the following statements :A : Single scaffolding consists of a single framework of standards, ledgers and potlogs constructed parallel to the wall.R : Potlogs are placed at both ends on frames when it is difficult to provide holes in the wall. Of these statments :
44582. For the truss shown in the figure, which one of the following members has zero force induced in it ?
44583. A VOR radio transmitter which emits beam in a vertical plane and gives an indication to the pilot whether he is to the left or right of the correct alignment for approach to the runway is known as
44585. A cantilever has rectangular cross-section and supports concentrated load at its free end initially. If depth and width of the beam sections are doubled, the deflection, at free end of the cantilever will reduce to what percentage of the initial deflection ?
44586. The optimistic, most likely, and pessimistic estimates of time for an activity are 4 days, 11 days and 12 days respectively. The expected completion time of this activity is
44587. When a single point load W travels over a simply supported beam, what is shape of the graph for maximum positive or negative shear force ?
44589. A sample of ground water at a pH of 7.0 contains 122 mg/l of bicarbonates. What is the alkalinity of this water (in terms of CaC0 ) ?
44590. The effective depth of a singly reinforced rectangular beam is 30 cm. The section is over-rein-forced and the neutral axis is 12 cm below the top. If the maximum stress attained by concrete is 50 kg/cm2 and the modular ratio is 18, then the stress developed in steel would be
44591. Soil at a site consists of two layers. The top layer has permeability k units and bottom layer has permeability 5k units. If the thickness of both the layers is equal, then what is the average permeability in the vertical direction ?
44592. A part of the Newmark's influence chart with four concentric circles is shown in the above figure. If the hatched areas 1 and 2 are loaded separately with the same intensity of loading, then the intensity of pressure yielded
44596. Consider the following statements in regard to aerobic and anaerobic treatment processes :1. Biomass production in the aerobic treatment process is more as compared to the anaerobic treatment process.2. Start-up period is more in the aerobic treatment process as compared to the anaerobic treatment process.3. Energy consumption and production is more in the aerobic treatment process as compared to the anaerobic treatment process.Which of the statements given above is/are correct ?
44597. Earth pressure and resultant possibilities of wall movement are shown in the given diagram. The point marked 'x' in the diagram denotes
44599. A line of true length 500 m when measured by a 20 m tape is reported to be 502 m long. The correct length of the tape is
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