Quiz Kingdom of Saudi Arabia Ministry of Higher Education Majmaah University College of Engineering -----------------------------------------------------------------------------------------------------------------------------Academic Year:- 1433-1434 / 2012-2013 Level:-5 CE Subject:-Hydraulics-1 Time:- 45 Minutes Term:- Even Max. Marks:10 (2x5=10) Subject Code:- 240 CE Answer any FIVE questions: Question-1 Write the dimensions (MLT form) of the following: (i) Pressure (ii) viscosity (iii) Energy (iv) Discharge Question-2 Find the depression in mercury in a capillary tube 2mm diameter. Take surface tension = 472 dyne/cm, angle of contact = 140 and specific gravity of Hg = 13.6? Question-3 At an altitude of 11000m, the atmospheric temperature is -56.6 °C and the pressure is 22.4 kN/m2 assuming the temperature remains the same at higher altitude, calculate the pressure at an altitude of 15000m. take R = 287 J/kg. °K Question-4 Determine the bulk modulus of elasticity of a fluid that has a volume decrease of 0.005% for a pressure increase of 55.65 KN/m2? Question-5 Calculate the diameter of section 3 under the following condition: Section 1 inlet water flow rate 0.2 m3/sec Section 2 diameter 30 cm and velocity 1.5 m/s Section 3 velocity 2 m/s 2 1 3 Question-6 the following equation satisfy the relation between distance y from a smooth boundary and the velocity v of oil viscosity 5 poise. V = 40y – y2 (cm/sec) Calculate the shear stress at y = 0 and 10 cm.