1) A particular product initially weighs 7kg. After going into a drying process, it has a mass of 5kg. Find the moisture content on wet and dry basis

1.3 A mixture of two liquids of equal volume is made, the one has a relative density of 0,8 and the other a density of 980 kg/m³. What will the weight of 2 500 litres be? 1.4 1.5 1.6 15 1.7 [21830 N] A solid block of stone with a relative density 4 is broken down and crushed to an average size of 20 mm. If the stone originally had a volume of 50 m³, how many truck loads with a volume of 2 m³, will it take to transport the crushed stone if 25 of the crushed stone has a mass of 80 kg. Has the relative density changed? How much? Why? [32 truck loads] Use table 1.4.2 to determine the kinematic viscosity of crude oil with a density of 855 kg/ m³ at temperatures of 20°C and 100°C. [9,357 x 10-6 m²/s; 3,275 x 10-6 m²/s] Air is used in a sensitive gyroscope to keep the metal bearing surfaces apart. Will the friction losses in the bearing be higher, lower or the same if the temperature of the bearing increases? A widely used S.I. unit for kinematic viscosity is centi- stoke cSt. One stoke is…

4. Foodstuff weighing 10 kg initially has a moisture content of 500% (dry basis). This material is dried to 25% moisture content (wet basis). Determine how much water is removed from the material? kg.

In a drying experiment, a student recorded the mouisture change as below. Answer the following questions.  A) What is the critical mousiture content B) What is the constant drying rate C) Assuming there is one falling rate period, what is the total drying time to dry the product to a final moisture content of 0.1 (w.b.)?