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An 18-tooth pinion with a diametral pitch of 6 rotates 1800 rpm and drives a 36-toothgear at 900 rpm in a gear speed reducer. The pinion and gear with 20°full-depthinvolute teeth are keyed to shafts that are simply supported by bearings. The bear-ings on each shaft are 2.0 in. from the gear center. If the gears transmit 0.5 hp,whatare the forces on the pinion,gear,and shafts?
(a) Find the rate of heat transfer (kW) to the water. (b) Draw a schematic of the system. (c) Determine the air outlet temperature (°C)
1. A Brayton cycle uses air and produces a net work of 14000 Btu/s with an inlet state of 60°F, 14.7 psi and a compression ratio of 16. The heat added in the combustion process is 400 Btu/lbm. If the thermal efficiency is 0.547 Determine: Using va..
The maximum take-off mass of an Airbus A380 passenger jet is about 600 000 kg. The lift is provided by the wings, which have a total area of 845 m2.
Calculate the torque on each of the two shafts,the power transmitted and the power lost in friction. U=0.3 what is the efficiency of the drive.
Calculate real gas pseudopressure at a pressure of 1902.7 psia using the following data and a base pressure of 102.7 psia. Was the calculation of real gas pseudopressure necessary for this gas? Explain your answer.
a rankine cycle is to drive an electric generator to produce 600 mw of electricity. the generator is 95 efficient.the
Komodo dragons are the largest lizards known to man. A 250-pound dragon can eat enough food to increase it body weight by 1/2. Which number sentence could be used to find w, the weight of a k0modo dragon after increasing it body weight by 1/2?
a combined gas-vapor power plant operates as shown in fig.9.94. pressure and temperature data are given at principal
determine diameter of a circular rod of ductile material with a fatigue strength ,e=280 Mpa. Add a tensile yield strength of 350 Mpa. The member is subjected to a varying axial load from 700 kN to -300kN. Assume Kt=1.8 and factor of safety=2.
a cylindrical rod of steel e 30 x 106 psihaving a yield strength of 45000nbsppsi is to be subjected to a load of 2500
what is the effect of quenching on the transition temperature and toughness for the mild steel ?
A cylindrical drill with radius r1 is used to bore vertically a hole through the centre of a sphere of radius r2.
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