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Consider the following three types of photoelectric object counters (or object detectors or limit switches):
1. Through (opposed) type
2. Reflective (reflex) type
3. Diffuse (proximity, interceptive) type
Classify these devices into long-range (up to several meters), intermediate range (up to 1 m), and short-range (up to a fraction of a meter) detection.
What is the rate of water loss (kg/s) from the first, third, and fourth trays? Estimate the temperature of the water in each of the designated trays.
a volume of 0.3 m3 of o2 at 200 k and 8 mpa is mixed with 0.5 m3 n2 at the same temperature and pressure forming a
Water is in a 0.05 m^3 piston-cylinder assembly at 1 MPa, 220 C and the piston is resting on stops. Heat is added until the pressure doubles. At this point the piston movies until the volume increases by 50%.
steam flow rate kgs for a reheat-regenerative steam power plant which is to produce 200 mw of electricity. the turbine
A vibrating body of mass 150 kg supported on springs of total stiffness 1050 kN/m has a rotating unbalance force of 525 N at a speed of 6000 rpm. If the damping factor is 0.3, find (i) the amplitude caused by the unbalance (ii) the transmissibili..
A pneumatic displacement gage has d1=0.762 mm and d2=1.575 mm. The supply pressure is 68919.7 Pa with a random fluctuation of ±483 Pa, and the differential pressure Pd-Pa is measured with a water manometer that may be read with an uncertainty of 12.4..
Design for load transfer from a 14-in.-square tied column to a 13-ft-0-in.-square reinforced concrete footing. Use Pu = 650 kips, footing f′ c = 3000 psi, column f′ c = 5000 psi, and fy = 60,000 psi (all steel).
Why are as-cast structures anisotropic? What is the effect of anisotropicstructures on the properties of materials? How can the effects of anisotropybe reduced or removed from as-cast components?
The position of a particle on a straight line is given by s= (t^3 -9t^2 +15t), where t is in seconds. Find the position, velocity, and acceleration of the particle when t= 6s and the total distance it travels during the 6 second time interval.
Draw and label the free body diagram for the beam. Calculate the support reaction forces at A and B. Draw the shear force and bending moment diagrams.
A compressed liquid mixture of 42 mol percent n-hexane (1) and 58 mol percent ethane (2) is to be fed to a flash tank where the pressure is reduced and a liquid and vapor stream separated. The flashing operation will be carried out at 32°C.
r134a is condensed at a constant temperature of 30degc as it flows through the condenser of a refrigerator by rejecting
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