b) General: i. ii. iii. iv. THEORY:Permeability is defined as the property of porous material which permits the passage or seepage of water through its interconnected voids. The coefficient of permeability is finding out following method. a) Laboratory method: i. ii. Variable head test. Constant head test. Stop watch. De-aired water. IS 4.75 mm sieve Grease. b) Field method: i. ii. Pumping out test. Pumping in test. c) Indirect test: i. Computation from grain size or specific surface.
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There was an another government department named The Central Testing laboratory (CTL) which was established in Dhaka in 1956 to provide testing facilities to government‚ private industries‚ Organizations and business community. In 1985 Bangladesh Standards & Testing Institution comes into being through an Ordinance (Ordinance XXXVII of 1985) with the merger of Bangladesh Standards Institution and the Central Testing Laboratories. In this report‚ we tried to highlight the salient features of
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had a cloudy overall appearance and the growth appeared to be even throughout the specimen. There was minimal growth in the 7% NaCl solution and most of that growth was adhering to the sidewall of the tube. No growth was observed in the 15% NaCl solution. The results of the S. epidermidis specimens were very similar to those of S. cerevisiae. In the 1% NaCl solution a large amount of growth was noted. This specimen was not as cloudy as that of the S. cerevisiae but growth was consistent throughout
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Chapter 1 INTRODUCTION Currently Kenya has taken a major initiative on developing the infrastructures such as express highways‚ power projects and industrial structures‚ to meet the vision 2030 in the requirements of globalization in the construction of buildings and other structures. Concrete is the premier construction material across the world and the most widely used in all types of civil engineering works‚ including infrastructure‚ low and high-rise buildings‚ defense installations‚ environment
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Use the calibrated graticule to determine the actual size of microscopic specimens • estimate the accuracy of a measurement • Use the graticule to determine scales • Understand the importance of repeating or validating set of results. Safety Information There are no particular hazards in this practical‚ however you must follow your laboratory rules. Background information • The measurement of specimen size with a microscope‚ is made by using an eyepiece graticule. This is a
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). Callie Vee’s Grandfathers’ Laboratory The Laboratory is really just a shed that used to be part of old slave quarters. Instead of a door there is an old tan burlap flap. Scattered around the laboratory there are various beakers filled with peculiar smelling liquids (from Callie’s grandfathers “experiments” on how to distill pecans into whiskey) in assorted colors. There is a large ruined armchair with stuffing oozing out of it. Further into the laboratory there is a library‚ a dim room with
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PHILIPPINES PROVINCIAL ROADS MANAGEMENT FACILITY Misamis Occidental Managed by: ACTIVITY COMPLETION REPORT TRAINING COACHING IN MATERIAL TESTING August 7-8‚ 2012 Villa Amor August 9-10‚ 2012 DPWH MATERIAL TESTING LABORATORY Oroquieta City Misamis Occidental ------------------------------------------------- Philippines Provincial Roads Management Facility (PRMF) -------------------------------------------------
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change a unit mass by 1 degree in temperature. The objectives of the experiment are to determine the specific heat of metal specimens using the method of mixture‚ to measure the equipment properly‚ to carefully measure the temperature of the equipment‚ to be patient while waiting for the output of the experiment and to be precise in computing for the specific heat of the specimen. Theory Blanza‚ J.‚ Guevara‚ C.‚ Morsiquillo‚ A.‚ Nacu‚ G. (2012) noted that the transfer of energy is made by temperature
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Services Division‚ and the recommended methods of documenting‚ collecting and preserving physical to ensure the best analysis results. The value of properly collected physical evidence followed by examination and interpretation by the forensic laboratory cannot be over-emphasized. Every attempt has been made to make this handbook as current and up-to-date as possible; however‚ it should be noted that the field of forensic science is expanding at a rapid rate. New techniques and procedures are
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correct use of a microscope to students pursuing courses in the field of Biological Sciences. This activity is also intended to teach students microscope calibration techniques. II. Materials and Methods To able to obtain the exact measurement of a specimen‚ the ocular micrometer should be calibrated first. By doing so‚ the calibration constant (CC) is obtained. To get the calibration constant‚ a stage micrometer‚ an ocular micrometer and a microscope is used. The ocular micrometer was placed inside
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