The density of mercury is given as 13,550 kg/m^3. calculate the specific gravity and the specific volume in m^3/kg of the mercury. calculate the specific weight in n/m^3 on earth and on the moon. acceleration of gravity on the moon is 1.67 m/s^2.

Explain the difference laminar and turbulent flow. explain it with the shear stress and the velocity profiles.

Line joining liquid phase with liquid and solid phase mixture is known as: a) liquidus b) solidus c) tie line d) none of the mentioned

Ariver flows from north to south at 8 km/h. a boat is to cross this river from west to east at a speed of 20 km/h (speed of the boat with respect to the earth/ground). at what angle (in degrees) must the boat be pointed upstream such that it will proceed directly across the river (hint: find the speed of the boat with respect to water/river)? a 288 b. 21.8 c. 326 d. 30.2