Engineering

for a steel alloy it has been determined that a carburizing heat treatment of 10-h duration will raise the carbon concentration to 0.45 wt% at a point 2.5 mm from the surface. estimate the time necessary to achieve
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A 40 HP motor with a load factor of 75% and an efficiency of 89.3% will be replaced with a 30 HP motor with a load factor of 100% and an efficiency of 93.6%. How many kW of power savings will be obtained from this project?
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Which of the following function declaration is correct for a function that takes a 2D array of ints and returns in int?int f (int a[][3], int rowSize);int f (int a[3][], int rowSize);int f (int a[][], int rowSize, intcolumnSize);
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you were unable to attend all of the training, but your coworker has offered to fill you in on the details that you missed. identify which of the following statements your coworker is likely to indicate as diversity principles discussed during your absence. check all that apply.
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true or false: since liquid can be considered as incompressible, the volume flow rates into and out of a steady flow device will remain constant.
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a 345 kv three-phase line supplies 614 mva at 0.74 pf lagging to a three-phase load which is delta connected. find the magnitude of complex impedance per phase in ohm up to two decimal places. you answered
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all of the windings of three phase motors are always wired how?
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What type of hazard is electrical equipment?
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can a building get in trouble for having frequent pulled fire alarms and not doing anything to fix them
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how to find the input ac current average and peak values of a three phase full wave bridge rectifier
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when servicing a driveshaft, technician a says that its a good idea to tape the u-joint caps to prevent them from coming off. technician b says that needle bearings are used with this type of u-joints. which technician is correct?
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How many sheets of 4' x 8' pieces of plywood will it take to cover a 24' wall
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Please give a detail explanation, thank you1) When solving the impact problems, we should always assume that during an impact between two bodies, there is no permanent deformation in the bodies.True or false2) If a semi-truck collides head-on with a mini car, which one will exert more force?Semi-truck on the mini carMini car on the semi-truckThere is no force exertedBoth vehicles will exert equal force
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Find the resistivity of gold at room temperature. Use the following information:Free electron density of gold = 5.901028,5.901028,Fermi energy of gold = 8.861019,8.861019,Mass of electron = 9.111031,9.111031,Charge of an electron = 1.610191.61019, andMean free path of electron in gold = 3.45108
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the most commonly installed type of fire sprinkler systems are? pre-action systems dry-pipe systems wet-pipe systems deluge systems
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Assign each employee to one task
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how does the sovent drainage and waste system operate without the venting piping used in traditional systems?
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the composite shaft, consisting of aluminum, copper, and steel sections, is subjected to the loading shown. the crosssectional area and modulus of elasticity in the figure. neglect the size of the collars at b and c. determine the i. t following: he normal stress in each section ii. t he . displacement of b with respect to c iii. the d of the composite shaft isplacement of end a with respect to end d . . for each section are shown
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in the first experiment, using only the plastic tubing without the rubber section, the pump pressure is set to a fixed, constant value. what lumped elements are required to represent the experimental system under steady flow conditions? construct an equivalent circuit or linear graph that represents the system.
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The strategies to meet the indoor air quality credit requirements reflect the ___ category knowledge domain of indoor air quality.
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Technology __________ guides how frequently technical systems are updated, and how technical updates are approved and funded.a. wrap-upb. turnoverc. governanced. changeover
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A DC electric motor develops a power of 60 kW and a torque of 39kgf. M. Calculate the speed of the motor in rpm
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he period during annealing where there is little change in ductility and yield strength but typically a large change in electrical conductivity and corrosion resistance is called:
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9. Programs A and B are analyzed and found to have worst-case running time no greater than 150 N log, N and N?, respectively. Answer the following questions, if possible a. Which program has the better guarantee on the running time, for large values of N (N>10,000)? b. Which program has the better guarantee on the running time, for small values of N (N
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