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a multiple disc has radial width of the friction material 15th of the maximum radius the coefficient of friction is 025
a power plant produces 1000 mw of electricity and uses residential oil as the fuel the oil has a heating value the
the kinetic coefficients of friction between the 5-kg crates a and b and the inclined surface are 01 and 04
a pump fitted with 50mm bore ball bearings uses oil whose viscosity ranges from 100cst at cold pump start-up to 75cst
a mouse trap car the length of the car is 415cmm and width of the car is 9 cm length of cirrus is 32 cm the length of
a brittle cast iron e 15 msi 02 sut 30 ksi suc 100 ksi hub is shrink-fit onto a solid carbon steel shaft the hub
a freely zero friction rotating cylinder mounted on a vertical axis is placed on a model boat instead of a sail the
1 you are given a small dc motor and fully-charged d battery how would you use that motor to help determine the unknown
suppose a 24v drill has a current drawn from it that measures 5 amps the drill bit is 2 inches in diameter what force
a motor has a disk mounted on its shaft the disk has a diameter of 1 foot and weighs 60 pounds starting from rest the
exhaust steam from a turbine exhausts onto a surface condenser at a mass flow rate of 8000lbmhr 2psia and 92 quality
a small five-cylinder ci automobile engine operates with a variable valve timing control system without a camshaft at
500kg of air at 35 degrees celsius dry-bulb and 20 degrees celsius wet-bulb temperatures is cooled to 13 degrees
a long rectangular bar 20 mm wide and 10 mm thick made of hot-rolled 4340 carbon steel sy 860 mpa k1c 99 mpaoumlm is
a turbojet is flying with a velocity of 900 fts at an altitude of 20000 ft where the ambient conditions are 7 psia and
natural gas having a molar analysis of 60 methane ch4 and 40 ethane c2h6 enters a compressor at 340k 6 bar and is
a cylindrical pressure vessel of 120 in diameter outside used for processing rubber is 36 ft long if the cylinder
determine the increase in internal energy of 2 kg of argon if its temperature increases from 30c to
electronic components are mounted on the inner surface of a horizontal cylindrical duct whose inner diameter is 02 m as
a the rocket car below is thrusting so that at constant thrust force it reaches a velocity of 500 kmhr in 30 seconds
an accelerating car develops 15 kw at a speed of 30 kmh on a level roadway when towing an identical vehicle whose