# 13/2/20 live exam

## Quiz by Wincentre Classes

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10 questions

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- Q1If p is the internal pressure in a thin cylinder of diameter d and thickness t, the hoop stress developed is :2pd/tPd/tPd/2tPd/4t30s
- Q2Pick up the correct statement from among the following:In compressible flow, the density of a fluid changes from point to pointAll of these ( A, B & D )In uniform flow, the velocity of a fluid does not change with respect to length of flow directionIn incompressible flow, the density of a fluid remains constant30s
- Q3The flow in open channel is laminar if the Reynolds number isMore than 500None of theseLess than 500100030s
- Q4The main function of a diversion head works of a canal from a river, isTo raise water levelTo remove siltTo store waterTo control floods30s
- Q5A current meter measures the velocity of flow, if it is heldAt the bottom of channelAt any point within the cross sectionNone of theseOn the surface of water30s
- Q6Irrigation canals are generally aligned along:Straight lineRidge lineContour lineValley line30s
- Q7For double angles carrying tension placed back to back and connected to either side of the gusset plate, the sectional area of the section, is equal to cross sectional area of:The sectionThe section multiplied by the area of rivet holesThe section plus area of rivet holesThe section minus area of rivet holes30s
- Q8For the determination of allowable stress and axial compression, Bureau of Indian Standards has adopted:Engesser FormulaEuler's FormulaRankien's FormulaSecant formula30s
- Q9The stress in the wall of a thin cylinder subjected to internal pressure is :ShearHoop tensionHoop compressionTorsional shear30s
- Q10If A is the depth of water in meters, B is the number of days of base period and D is the duty in hectare/cumec, the relation which holds good, isΔ = 8.64B/DD= Δ 8.64 D/BD = Δ8.64/BD = Δ8.64/D30s