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Q. Describe Dry and wet parting materials?
Dry parting materials: These are applied by dusting. These include : charcoal, ground bone and limestone, lycopodium(a yellow vegetable matter), tripolite(a silicate rock), ground nut shells, Talc(Magnesium silicate,3MgO,4SiO2.H2O)and Calcium phosphate.
Wet parting materials: These are not used with wooden patterns, but are used mostly in machine moulding when metal patterns are used. They are wax based preparation, petroleum jelly mixed with oil, paraffin and stearic acid.
Q. Overview of Project Phases? Conceptual Engineering Phase The purpose of this phase of work is to develop the Client's proposal to a level of detail adequate to determin
Determine the maximum torque - shaft: Determine the maximum torque that can be safely transmitted by a shaft of 400 mm diameter, if (a) the maximum allowable shear stress i
a) Describe main advantages and disadvantages of CI engine as compared to SI engine. b) With the help of a neat diagram, describe the working of a four stroke petrol engine.
Problem - Newton's Second Law in 2D A tow truck tows a 1000-kg car by applying a force of 1000 N north-northeast (67.5° above the x-axis). a) What are the components of th
we can use in proove of energy is a propertyof system we can use (E) instead of (dQ-dW)
Determine maximum shearing stress in shaft: A propeller shaft 100 mm in the diameter, is 45 m long, transmits 10 MW at 80 rotation per minute. Determine maximum shearing str
A sign of uniform density weighs 270 lb and is supported by a ball-andsocket joint at A and by two cables. Determine the tension in each cable and the reaction at A.
Find the maximum torque - I-section: An I-section 150 × 80 mm has flanges 6 mm thick and web 4 mm thick. Discover the maximum torque that may be safely applied if the shear st
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Calculate the axial deflection and angle of rotation: Any open coiled helical spring along with 10 complete turns is built of 16 mm diameter steel rod, the mean radius of the
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