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A flywheel is uniformly accelerated from rest to a speed of 120 rpm whilst rotating through 60 revolutions. The applied driving torque is 15 Nm and the flywheel diameter is 1.2 m.
Find (a) the angular acceleration, (b) the time taken, (c) the work done, (d) the maximum power developed, (e) the distance travelled by a point on the rim of the flywheel.
the following data apply to the auxiliary power unit apu on the boeing 777 single-shaft unit driving separate load
Calculate all the gear ratios. if 22.1 kw is transmitted in 1st gear at an engine speed of 3000 rpm, Evaluate the required fixing torque on the annulus
a 1 m3 rigid vessel contains 1 kg saturated liquid plus vapor h2o at 100oc. determine the specific volume of the
Determine (a) the velocity of the air at the duct inlet and (b) the temperature of the air at the exit.
Draw and label the free body diagram for the beam. Calculate the support reaction forces at A and B. Draw the shear force and bending moment diagrams.
why do you think it is important to control the position of a dc motor? provide two examples for position control of
A 302 in displacement, V8, four-stroke cycle SI engine mounted on a hydraulic dynamometer has an output of 72hp and 4050 RPM. Water absorbs the energy output of the engine as it flows through the dynamometer at a rate of 30 gallons per minute. The dy..
consider the air conditioning of a house through use of solar energy. at a particular location the flux of solar
gold foil is 0.08 mm thick and 670mm2 in area. a it is cubic with a0.4076nm. how many unit cells are there in the foil?
A 1200 MW power plant has a thermal efficiency of 39%. Find: (a) the rate of heat addition to the cycle (b) the rate of heat rejection from the condenser [(a) 1.05 x 10^10 Btu/hr; (b) 6.4 x 10^9 Btu/hr]
air at standard temperature and pressure flows through a 1-in.-diameter galvanized iron pipe with an average velocity
air is compressed in a car engine from 22 degc and 95 kpa in a reversible and adiabatic manner. if the compression
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