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Refrigerant 134a enters the condenser of a residential heat pump at 800 kPa and 35 degrees celcius at a rate of 0.018 kg/s and leaves at 800 kPa as a saturated liquid.
Two identical uniform boards, each of weight 40lb, are temporarily leaned against each other. Knowing that the coefficient of static friction between all surfaces is 0.40
A pump having the characteristics given ( N=2133.5 rpm, n=35.6 rps, D=37.1 cm) pumps water at 25 degree C from a reservoir at an elevation of 366 m to a reservoir at an elevation of 450 m through a
A town is installing a new 10" main to carry drinking water. The only section remaining to be installed is a segment through the middle of town. However, the excavators discover an archaeological si
An area that varies in elevation from 463ft - 634ft is being mapped. What contour intervals will be drawn if a 50ft interval is used. Which lines are emphasized.
A rod was held on point B and the telescope is inclined so that the horizontal cross line of the transit intersects the rod at the 5.2 ft mark. If the reading on the vertical limb of the transit was
Given a horizontal curve of radius 1400 feet, a central angle= 46 degrees 21 minutes located at PI 50 plus or minus 00.00 on the centerline of a two-lane road with 12-foot wide lanes,
A uniform flow of normal depth 6 ft is developed upstream in a rectangular channel 10 ft wideand laid on a slope of 0.004. The Manning's coefficient n is given as 0.0149. There is a smooth step on
Gate AB is 4m wide into the paper and opens to let fresh water out when the ocean tide is dropping. The hinge at A is 0.50m above the freshwater level. At what ocean level h will the gate first open
A temporary diversion has been constructed on a highway of +4 percent gradient due to major repairs that are being undertaken on a bridge. The maximum speed allowed on the diversion is 10 mph
a.) Determine the maximum shear stress in a rectangular beam 6 in. wide and 8 in. deep produced by a shear force of 38,400 lb. b.) For the same section and shear force conditions of part (a) above.
Determine the bending moment in a rectangular beam 2 in. wide and 4 in. deep, if the maximum bending stress is 20,000 psi.
A temporary diversion has been constructed on a highway of +4 percent gradient due to major repairs that are being undertaken on a bridge. The maximum speed allowed on the diversion is 10 mph.
A pump having the characteristics given( N=2133.5 rpm, n=35.6 rps, D=37.1 cm) pumps water at 25 degree C from a reservoir at an elevation of 366 m to a reservoir at an elevation of 450 m through a 3
Air enters a steady flow, adiabatic compressor at 17 °C and is compressed through a pressure ratio of 8.6: 1. Assuming the compressor to be internally reversible
The mass center of the unbalanced disk of weight W is located at G, which is a distance of R/2 from the center for the disk. In the equilibrium postition, the two springs attached to the rim of the
Determine the runoff rate at t = 15.0 hr from a two storm system if the first storm drops 2.0-inches starting at t = 0, and the second storm drops 5.0-incheds starting at t = 12.0 hrs.
a moisture content of 10.2 % and a specific gravity of solids of 2.65. Compute the unit weight, dry unit weight, degree of saturation, void ratio and porosity.
determine the elongation of the cable due to its own weight. B. show thet the same elongation would be obtained if the cable were horizontal and if a force equal to half of its weight were applied a
A) Compute the maximum fiber stress. B) If the compression flange of the beam is supported laterally only at the ends of the span, what will be the allowable compressive stress in the extreme fibers
A uniform thin column of length L, positioned vertically with one end embedded in the ground, will deflect, or bend away,from the vertical under the influence of its own weight
Assuming approximately 19,296 data points can be held in memory, with a 21X Datalogger (CR23X Micrologger), capturing battery voltage; panel temperature; 2 thermocouples
A 33-year record of peak annual flow rates was subjected to a frequency analysis. THe median value is defined as the midvalue (50% value) in the table of rank-ordered magnitudes.
Determine the design load for strength and serviceability limit states (short-term and long term), for a steel beam in a residential building with the following data;
At Point A in a pipeline carrying water (? = 62.4 lb/ft3) the diameter is 3.0 ft, the pressure is 11 psi, and the velocity 4 ft/s. At Point B, 6 ft higher than Point A, the diameter is 2.5 ft and th