SSC-JUNIOR ENGINEER (Civil & Structural) Online Exam 2017 (Part-III)Total Questions: 5041. A siphon is used at point A to draw the water from large reservoir and discharge it to the point B at an atmospheric pressure. If the elevation difference of points A and B is 10 m, what is the velocity (m/s) at point B?A. 10B. 14C. 24D. 34Correct Answer: B. 14Solution:No explanation given in the book42. If the two exactly same pumps are running at the same speed and lift the water at the head of 20 m and 30 m respectively. What is the diameter of impeller of second pump if the diameter (mm) of impeller of first pump is 500 mm?A. 430.2B. 500.5C. 612.5D. 714.3Correct Answer: C. 612.5Solution:No explanation given in the book43. The Bulk Modulus of a fluid is given by 25 GPa. What is the compressibility (Pa-1) of that fluid?A. 4 × 10⁻⁹B. 4 × 10⁻¹¹C. 25 × 10⁻⁹D. 25 × 10⁻¹¹Correct Answer: B. 4 × 10⁻¹¹Solution:No explanation given in the book44. Which of the following parameter is measured with the help of elbow meter?A. AccelerationB. VelocityC. ViscosityD. DischargeCorrect Answer: D. DischargeSolution:No explanation given in the book45. Which one of the followings is not a cause of water-logging?A. Excess tapping of the ground waterB. Excess rainfallC. Frequent irrigationD. High water tableCorrect Answer: A. Excess tapping of the ground waterSolution:No explanation given in the book46. Calculate the velocity of flow through a channel if the mean diameter of the soil particles is 0.5 mm and discharge is 60 cumecs.A. 0.75B. 0.86C . 0.93D. 0.98Correct Answer: C . 0.93Solution:No explanation given in the book47. What is the value of the slope require for coning of the wheel?A. 1 in 5B. 1 in 10C. 1 in 20D. 1 in 25Correct Answer: C. 1 in 20Solution:No explanation given in the book48. Calculate the ratio of radius of the relative stiffness for concrete pavements if the ratio of their thickness is 1.5.A. 1.106B. 1.355C. 1.837D. 3.375Correct Answer: B. 1.355Solution:No explanation given in the book49. Which of the following represents the value of hourly variation factor?A. 1.2B. 1.5C. 1.7D. 2.5Correct Answer: B. 1.5Solution:No explanation given in the book50. What is the rainfall intensity (mm/hr) according to the formula given by British Ministry of Health, if the time of concentration is 540 seconds?A. 20B. 30C. 40D. 50Correct Answer: C. 40Solution:No explanation given in the bookSubmit Quiz« Previous12345
