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Calculate the amount of cement, sand, aggregate, and water needed to create a concrete mix with a 28-day compressive strength of 34 MPa for a 10 m x 10 m x 0.25 m structure given the following conditions: allowed slump = 10 cm and only 3.8 cm (1.5 in) aggregate with 2% moisture and coarse sand with 4% moisture are available for this project. Assume no air entrainment in your calculations.
Neutra l Layer and Neutral Axis In the beam or cantilever, there is one layer which retains the original length of it even after bending. So in this layer tensile stress and c
Q. Material Selection for Insulation in Personnel Protection? Material for 15ºC to 650ºC temp range is Calcium Silicate (ASTM C533, Type 1), Manville Thermo-12 or approved equi
Q. What is Extrusion defects? • Surface cracking - When the surface of an extrusion splits. This is often caused by the extrusion temperature, friction, or speed being too high
Workplace Operations Requiring Safety The operations performed through workers in their workplace are of dissimilar nature but they involve a number of machine, equipment and
Q. What do you mean by Compression moulding? In compression molding, a material normally in power or perform shape , is loaded directly into the hot die cavity, pressure from
(a) Evaluate the buckling load of column with one end fixed other free of 8m length by using Euler's formula. Given : I min = 1390m 4 E = 2 X 10 5 N/mm 2 (b) Derive a
ladder slip: A uniform ladder having length of 7m rests against vertical wall with which it makes an angle of 45º, coefficient of friction between ladder and wall is 0.4 and
Draw and Illustrate all the inversions of a double slider crank chain. Get an expression for the length of a belt in 1. an Open belt drive ; And 2. a Cross belt drive.
Axi s of symmetry If in diagram half part of diagram is mirror image of next ½ part, then there is a symmetry in diagram. The axis at which symmetry is create, called as axis
Differentiate between porosity & blowholes in welding
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