how can the pilot determine, for an ils runway equipped with malsr, that there may be a penetration of the obstacle identification surfaces (ois), and care should be taken in the visual segment to avoid any obstacles? a. the approach chart has a visual descent point (vdp) published. b. the runway has a visual approach slope indicator (vasi). c. the published visibility for the ils is no lower than 3/4 sm.
a major roadway with a speed limit of 45 mi/h has an intersection that has no intersection control with a minor roadway at a right angle. a building is located next to the intersection at a distance of 60 ft from the center of the near lane on the major roadway and 40 ft from the center of the near lane on the minor roadway. at what speed for the minor roadway is the intersection safe? grades are approximately level.
air flows from a large tank through a well-insulated 12 mm diameter pipe. if the air enters the pipe at a mach number of 0.2 and leaves at a mach number of 0.6, find the length of the pipe. assume a mean friction factor of 0.005. how much longer must the pipe be if the exit mach number is 1? if the pipe is 75 cm longer than this latter value and if the same conditions exist in the supply chamber, what reduction in the flow rate will occur? 1
use the nodal method to derive the transfer function in terms of the variables c, r1 and r2. show all work. find the magnitude of the transfer function . find the phase response . is this a highpass or lowpass filter? what is the cutoff frequency ?
outside air at 50 f, 1 atm, and 40% relative humidity enters an air conditioner operating at steady state with a mass flow rate of 3.3 lb/s. the air is first heated at essentially constant pressure at 90 f. liquid water at 60 f is then injected bringing the air to 70 f, 1 atm. determine the rate of heat transfer to the air passing through the heating section in btu/s. b) the rate water is injected in lb/s. c) the relative humidity at the exit of the humidification section.
g the total consolidation settlement of the clay layer due to the foundation load. b. how long does it will take for this soil to achieve 50% consolidation in the field if there is the bed rock below the clay layer is permeable? c. how long does it will take for this soil to achieve 50% consolidation in the field if there is an impermeable bed rock below the clay layer? d. for the conditions in (b), when the clay layer experience settlements in excess of a 1 inch tolerance?
the solar collector with the performance curve depicted below is used to heat water from 20oc to 60oc at a flow rate of 200 kg/minute. the ambient temperature is 10oc and the incident radiation is 800 w/m2. assume all of incident radiation is direct. the unit is located in sacramento california and it is faced due south at a tilt angle of 52.9 degrees (for the winter). the date is november 1 and the time is noon. determine:
a commercial refrigerator with r-134a as the working fluid is used to keep the refrigerated space at -35 c by rejecting waste heat to cooling water that enters the condenser at 18 c at a rate of 0.25 kg/s and leaves at 26 c. the refrigerant enters the condenser at 1.2 mpa and 50 c and leaves at the same pressure subcooled by 6 c. if the compressor consumes 3.3 kw of power , determine (a) the mass flow rate of the refrigerant, b) the refrigerant load, c) the cop, and d) the minimum power input to the compressor for the same refrigeration load.
a cylindrical rod of 1040 steel originally 11.4 mm in diameter is to be cold worked by drawing until the diameter of 8.9 mm. a cold-worked tensile strength in excess of 800 mpa and a ductility of at least 10%el are desired. based on the plots below, 1) if you directly draw the rod from 11.4 mm to 8.9 mm, what will be the amount of cold work? can you satisfy the requirements for the mechanical properties? 2) to satisfy the requirements for the mechanical properties, what is the range of your cold work? 3) if you take the first draw at 20%cw, what will be the amount of cold work in the second draw? 4) what process do you need to do between the two cold works? explain how this may be accomplished.
10. Which of these is NOT a typical noise associated with a failed, or failing, CV Joint? OA. Groan OB. Rapid Clicking OC. Shudder OD. Clunk
Students were asked to determine if they could squeeze a clothespin more times in a minute after resting than after exercising. An experiment that accurately tests this question should include all of the following except
In a lab, scientists grew several generations of offspring of a plant using the method shown. What conclusion can you make about the offspring? Illustration of plant offspring growth. A leaf (top left), leaf with roots in a transparent bottle of water (top right). Bottom, a covered leaf in a pot with roots in mud, parent leaf with leaf saplings in a pot, saplings with its roots in a pot. A. They formed from meiosis and mitosis. B. They have half the number of chromosomes as their parent. C. They have low genetic variability among them. D. They will be able to reproduce only after they grow flowers.
