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The shaft of a rolling machine is driven by means of a motor placed horizontally. The flywheel which also acts as a pulley is of 1.5 m diameter and has belt tension 5.4 kn and 1.8 kn on tight and slack side respectively. The weight of the flywheel is 20 kn. Determine the shaft diameter if the maximum allowable shear strength is 50 n/m^2 . The overhang of the flywheel is 250mm. The shaft is to operate with medium shock load condition and the values for shock and factors Cm = 2.0 and Ct = 1.5
a particle is moving along a straight line such that when it is at the origin it has a velocity of 8 ms part a if it
a tube with elastic modulus of 75 gpa is used to support a compressive load. it is required that this tube must not
dry saturated steam at 7 bar expands reversibly in a cylinder behind a piston until the pressure is 0.1 bar. it heat is
1. calculate the magnitude of the moment about the base point o of the 600 n force.2. the coefficient of static and
if the critical resolved shear stress for yielding in aluminum is 240kpa. calculate the tensile stress required to cause yielding when the tensile axis is [001]
A weather balloon carries a mercury barometer in order to determine altitude as a function of flight time. At a particular moment, the barometer gives a reading of 476 mm. How high (in meters) is the balloon above standard sea level? (Assume mercury ..
Assuming that within metal crystals, the atoms can be considered as hard spheres in contact, sketch arrangement of atoms in a (100) plane, a (110) plane and a (111) plane of face-centered cubic structure. Determine the number of atoms contained wi..
a rigid insulating tank that is initially evacuated is connected through a valve to a supply line that carriers helium
a he-xe mixture containing .75 mole fraction of helium is used for cooling of electronics in an avionics application.
Determine the velocity ratios that can be achieved by the gear box in terms of number of teeth in the sun wheel and determine which component (out of the sun wheel, planet carrier and annular wheel) has to be used as the input shaft to get the req..
a 31-l electric radiator containing heating oil is placed in a 48-m3 room. the room and the radiator oil are initially
a simple steam power plant operates on 20 kgs of steam. heat transfer to the steam in the boiler is 69 mw and heat
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