Measurement of stiffness of rock from laboratory and field tests Naeem O. Abdulhadi & Amjad F. Barghouthi Arab Center for Engineering Studies (ACES) ABSTRACT This paper compares the deformation modulus of rock measured from laboratory and field tests which were carried out as part of the site investigation works for a major project in Irbid‚ Jordan. Laboratory resonant column and torsional shear tests were performed at different confining pressures whereas ultrasonic velocity tests were
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In the lab‚ we purposed to find the density of two solid substances with different shapes that was in regular and irregular shapes. We found the mass of the substances by weighting them on a balance. We wanted to make sure that the mass of a substance is correct‚ so we put the substance on a balance 3 times. After that we calculated the average mass of the substance by adding 3 total masses and dividing them by 3.The volumes of the two shapes substances were determined by using a graduated cylinder
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displaced fluid remains valid. The weight of the displaced fluid is directly proportional to the volume of the displaced fluid (if the surrounding fluid is of uniform density). In simple terms‚ the principle states that the buoyancy force on an object is going to be equal to the weight of the fluid displaced by the object‚ or the density of the fluid multiplied by the submerged volume times the gravitational acceleration‚ g. Thus‚ among completely submerged objects with equal masses‚ objects with greater
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and analytical balances. b. How did you do it? Briefly describe the procedures in 1 sentence. We calibrate a volumetric pipet and flask. We also calibrated a beaker and 50 mL buret. We also calculate the difference between the expected density and density obtained by our team. c. What happened? Briefly give the result (or results) of the experiment in 1 sentence. We noticed the calibration marks on the beakers were taken only to be an approximate guide to volume because the marks were placed
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Calibration of Volumetric Glassware Nur Farah Nabilah Binti Ahmed Zhaini Muhammad Imanuddin Bin Azman Maisarah Binti Alias Summary In this experiment‚ The purpose of this experiment is to investigate the measurement of the actual volume contents of volumetric glassware. In the beginning of the experiment‚ the volumetric glassware should be clean and dry before used. The volumetric glassware‚ measuring cylinder and pipette should be handled with care and all the precautions
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property have their own advantages and disadvantages as well. This process of expansion by cooling starts when the water temperature nears 4° C. The hydrogen atoms begin to line up into neat rows of six molecules‚ but the water retains the same density‚ except for the slight drop that is common with most matter just before solidification. Once the water temperature has dropped to 0° C‚ the rows of molecules connect at the ends to form an open-ended hexagon. Because of the empty spaces into the middle
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separate cream from dairy milk and coconut milk. 2. To measure the quantity and density of cream and skim milk. MATERIALS : Dairy milk powder and coconut milk. APPARATUS : 25 ml specific gravity (SG) bottles‚ 1 L beaker‚ thermometer. PROCEDURES : Clean the machine ↓ Assemble machine ↓ Switch on machine ↓ Pour sample into feed receptor ↓ Collect cream & skim ↓ Record the quantities (skim and cream) ↓ Measure density (cream and skim) using SG bottle. DISCUSSION : In this experiment
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deeper under the sea the density of the water does not change‚ and this means that if the submarine’s buoyancy is less than its weight at one depth it will also be less than its weight at any other depth‚ and so‚ unless other forces are involved‚ when water is let into the air tanks the submarine will sink right to the bottom of the sea no matter how deep it is. A submarine is kept level at any depth by maintaining a balance between the air and water. The submarine’s density must be equal to the surrounding
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(PIPAC) to know its ethanol content. Based on the testing done‚ only .5% of the volume of the product is ethanol. After the testing‚ the intrinsic properties were computed. Using the formula for density‚ D=mass/volume‚ 47.4 g/ml was obtained. For the specific gravity‚ the formula SG=density of the liquid/density of water‚ and .79 was
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Student Instructions: Why does a hot air balloon float even though it is so heavy? Hot air balloons float because the buoyancy force of the hot air is more than the weight. Buoyancy occurs because the hot air has a lower density than the cooler outside air. This lower density air weighs less than the air it replaces and that difference is the buoyancy. What makes balloons float when they are full of air but not float when they are deflated? Balloons float when they are full of hot air because
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