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find the overall gear ratio of the gear train shown in figure 549 if the motor is rotating at 500 rpm what is the
the motor in figure 550 is turning at 600 rpm with a torque of 2 in middot lb what is the velocity and torque available
a roller needs to turn at 60 rpm and requires 10 in middot lb of torque a motor is available with a maximum velocity of
a squirrel-cage fan is driven by belt from a motor that turns at 1750 rpm figure 551 the motor pulley is 8 cm in
a wheel is attached to the end of an electric motor shaft the wheel has a moment of inertia of 023 kg middot m2 if the
a lever like that shown in figure 513b is used to press a cap on a container to press on the cap 10 lb of force is
a torque of 18 n middot m is applied to a rotating part the part has a moment of inertia of 0078 kg middot m2 how much
two rotating parts one heavy and one light need to be spun up to the same speed in the same period of time if they end
a torque of 10 in middot lb is applied to a rotating part the part has a moment of inertia of 05 lb middot s2 middot in
a 120-v electric motor is needed that can do the equivalent of lifting a 100-lb weight 10 ft in 1 min assuming the
a small gasoline engine can put out 12000 ft middot lbmin of mechanical power the engine is used to drive an electric
a lever like that shown in figure 513c is used as a hand lever brake on a machine to activate the brake 5 lb of force
a 2-lb control box is connected by a bracket to a machine if you push on the control box with 20 lb of force the
a pressure sensor is used to measure the level of a liquid in a tank the density of the liquid is 52 lbft3 if the gauge
a pressure sensor is used to measure the water level in a tank what pressure would you expect for 5 ft of
an orifice plate flow sensor is used to measure the flow of water in a 2-in id pipe the orifice plate has a 15-in
an aluminum casting that weighs 10 lb is resting on a steel surfacea how much force will be necessary to get it started
a coil spring has a spring constant of 5 lbin and a rest length of 3 in in a machine the spring is stretched to 45 in
what is the purpose of using a bridge circuit with a strain gauge and what is the purpose of the compensating
a strain gauge is used to measure the tension force in a 1-in diameter bar of steel the strain gauge has a nominal
a strain gauge is used to measure the tension force in a 075-in diameter bar of steel the strain gauge has a nominal
a strain gauge is used to measure the tension force in a 2-cm diameter bar of steel the strain gauge has a nominal
a low-force sensor uses a spring and a 1-k linear pot the pot has a 1-in stroke and a supply voltage of 10 vdc if the
a differential pressure bellows sensor is receiving 5 psi gauge on one side and 162 psi absolute on the other what
a differential pressure bellows sensor is receiving 20 kpa gauge on one side and 90 kpa absolute on the other what