Asst. Engineer (Civil) in Harbour Engineer [186:2005]

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100 questions

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- Q1If for a two dimensional flow, the stream function is given by ψ = 2xy, the velocity at the point (3,6) is :6121813.4230s
- Q2A model of a reservoir is emptied in 10 minutes. If the model scale is 1:25, the time taken by the prototype to empty itself would be:250 minutes2 minutes50 minutes6250 minutes30s
- Q3If the weight of a body immersed in a fluid exceeds the buoyant force then the body willTend to move downward and it may finally sink.Turn upside down.Float on the fluid.Rise until its weight equals the buoyant force.30s
- Q4The head over a “V” notch at the end of a channel is 75 cm. If an error of 0.15 cm., is possible in the measurement of the head, then the percentage error in computing the discharge is :10.50.331.530s
- Q5In a laminar flow through a circular pipe of diameter 20 cm, the maximum velocity is found to be 1 m/sec. The velocity at a radial distance 5 cm from the axis of the pipe is :0.5 m/sec0.75 m/sec1.00 m/sec0.25m/sec30s
- Q6Loss of head due to velocity of water at the outlet of a pipe is :v2/2g1.5v2/2gv2/3g0.5v2/2g30s
- Q7When the Mach number is more than 6, the flow of a fluid is called :Sonic flowSubsonic flowHypersonic flowSupersonic flow30s
- Q8Venturimeter is used to measure :DischargeVelocity at a pointAverage velocityPressure at a point30s
- Q9The ratio of Inertia force of a flowing fluid and its viscous force is calledReynold's numberFroude's numberEuler's numberWeber's number30s
- Q10For a floating body, if the meta centre is above the centre of gravity the equilibrium called :UnstableStableNone of theseNeutral30s
- Q11Gunter's chain is having a length of:100 meters66 meters66 feet100 feet30s
- Q12Reciprocal ranging is resorted to when the ends of the chain line are not invisible due to:Very long distanceThick forestVery tall buildingHigh ground30s
- Q13The reduced bearing of a line is South 47° 26' West. Its whole circle bearing is:42° 34'132° 34'137° 26'227o 26'30s
- Q14In a closed traverse, the sum of the South latitudes exceeds the sum of the North latitudes and the sum of the East departures exceeds the sum of the West departures. Then the closing line will lie in the.S-E quadrantN-E quadrantN-W quadrantS-W quadrant30s
- Q15The combined correction for curvature and refraction for a distance of 1400 m is :0.094 m0.021 m0.153 m0.132 m30s