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Design a shaft to transmit power from a motor to a lathe head stock through a pulley by means of a belt drive. The pulley weighs 200 N and is located at 300 mm from the centre of the bearing. The diameter of the pulley is 200 mm and the power transmitted is 1 kW at 120 r.p.m. The angle of lap of the belt is 180° and coefficient of friction force between the belt and the pulley is 0.3. The shock and fatigue factors for twisting and bending are 1.5 and 2.0 respectively. The maximum shear stress in the shaft may be taken as 35 MPa.
Define the nature of shear force and bending moment under load variation. Sol.: The nature of SF and BM variation under two-load region is given in the table below
how does Hartnell governors function?
The Radial Dimension Commands There are 2 main radial dimension commands, DIMDIAMETER & DIMRADIUS. Both commands result in similar looking dimension so AutoCAD automatically i
Find out the amount of energy spent: 6 cubic metre of water is to be lifted to a height of 40 metres and delivered having velocity of 4 metres/sec. If this operation takes 12
which type of guideways are used in centerless grinding machine? which are the errors find in different guideways?
There are various refrigeration systems employing various methods. State any seven (7) refrigeration systems, mention the method(s) employed to attain low temperatures, and state a
VISUAL REALISM: Hidden line and surface removal eliminates the ambiguities of the displays of three-dimensional models and is considered the first step toward visual realism.
The following items should be considered regarding the safe access and location of buildings: • The fire fighting pump house is usually located in a non-hazardous OSBL location
limitations of euler''s theory
Compute depth of yielding in the hollow shaft: A solid shaft 80 mm diameter is solid for a certain length from one end but hollow for the remaining length along inner diameter
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