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A four-cylinder in-line engine has a reciprocating weight of 3 lb, a stroke of 6 in., and a connecting-rod length of 10 in. in each cylinder. The cranks are separated by 4 in. axially and 90° radially, as shown in Fig. 9.46. Find the unbalanced primary and secondary forces and moments with respect to the reference plane shown in Fig. 9.46 at an engine speed of 1500 rpm.
one u.s. gallon is equivalent to 0.1337 ft3 1 ft is equivalent to 0.3048 m and 1000ml are equivalent to m3. by using
A 10-V battery supplies a constant current of 0.5 amp to a resistance for 30 min. (a) Determine the resistance, in ohms. (b) For the battery, determine the amount of energy transfer by work, in kJ.
Draw a qualitative shape for the bending moment diagram for the beam loaded as shown. Clearly state any assumptions you make.
a particle travels along a straight line such that in 2 s it moves from an initial position sa 0.5m to a position sb
Two tow trucks lift a 100 lb motorcycle out of a ravine following an accident. If the motorcycle is in equilibrium in the position shown, what are the tensions in cables AB and AC?
A shell-and-tube heat exchanger is used to cool a flow of steam using a stream of cooling water. The steam enters the heat exchanger at 0.1 bar and a quality of 91% (state 1), and exits as a saturated liquid at the same pressure (state 2). The mass f..
An incompressible ?uid ?ows radially (no y- or f-component) into a small circular drain. How must the radial component of velocity vary with radius as demanded by continuity?
consider steady heat conduction in a plane wall whose left surface node 0 is maintained at 40 degrees c while the right
1. A discrete-time system is described by the following difference equation
Daily sales records for a computer manufacturing firm show that it will sell 0,1, or 2 mainframe computer systems with probabilities as listed. Find the probability mass function for X, the number of sales in a two-day period, assuming that sales are..
In a cryogenic application, carbon monoxide (CO) gas undergoes a constant-pressure process at 1000 lbf/in^2 in a piston-cylinder assembly from T1 = -100F to T2 = -30F. Determine the work for the process, in btu per lb of carbon monoxide present.
The heat exchanger is at steady state, and there is no appreciable heat transfer from its outer surface. Neglecting kinetic and potential nergy effects, determine the mass flow rate of the ammonia, in kg/s, and the rate of entropy production withi..
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