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The shaft, as given in Figure is driven by pulley B from an electric motor. Another belt drive from pulley A is operating a compressor. The belt tensions for pulley A are 1500 N and 600 N. The ratio of belt tensions for pulley B is 3.5. The diameter d of pulley A is 150 mm and the diameter d of pulley B is 480 mm. The maximum allowable tensile stress for the shaft material is 170 MPa and the allowable shear stress is 85 MPa. Taking bending and torsion factors as 1.25 and 1.75 respectively, Evaluate the shaft diameter. Also search out the dimensions for a hollow shaft with outside diameter limited to 30 mm. Compare the weights of the two shafts.
An open belt drive connects two pulleys 1.2 m and 0.5 m diameter on parallel shafts 3.6 m apart. The belt has a mass of 1 kg/m length and the maximum tension in it is not to exce
Q. Intermodular Piping Connections Alignment of pies shall be achieved as detailed in the construction drawings. Special attention shall be paid to the alignment and installati
Pola r Modulus(Z p ): It is the ratio of polar moment of the inertia to outer radius. Z p = J / R Polar Modulus of solid body ( Z p ) =[ ?/32. D 4 ]/ D
Q. Show Experimental Verification of time Dilation ? Time dilation is a real effect, it can be verified by making this experiment. (Are created at high attitudes in the earth a
Q. How can we use of Shrinkage allowance? Since metal shrinks on solidification and contracts further on cooling to room temperature, linear dimensions of the pattern is increa
(a) Show that for an adiabatic process Pv r = C, holds good. (b) One Kg of a contain gas is at 0.11 KPa and 15 o C. It is compressed until its volume a 0.1m 3 . if the compress
ACSR (Aluminium Conductor Steel Reinforced) are used as (A) over head transmission lines. (B) super conductors. (C) fuse (D) underground cables.
Determine the axial extension along a load: An open coiled helical spring is created having 10 turns of a mean radius of 60 mm. The wire diameter is 10 mm and coils make an an
we have to design crane we did already with calculation remaining is process planning
Disc Type Brake: As shown in Figure the disc brake consists of a pearlitic grey cast iron disc bolted to the wheel hub and a stationary housing called caliper. Casting in tw
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