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An inductive proximity switch is a device used in valve feedback, describe the construction, operating principle and beneficial features of the switch
You prepare a plan to minimise the impact of the buggy code but this would involve a delay in distribution of the software.
A 40 KVA 3300/240V.50Hz .1 phase transformer has 660 turns on the primary . determine 1, the number of turns on the secondary , 2, the maximum value of flux in the core
A 440 -V shunt motor has armature resistance of 0.8 ohm and field resistance of 200 ohm . determine the back emf when giving an output of 7.64 KW at 85% efficiency
Vapour from the second effect is condensed at a pressure corresponding to 325 K. The heat transfer area is 10 m2 and the overall heat transfer coefficients are 3 and 2 kW/m2 in the first and second
The gas flow rate is 1 kg m-2 s-1 of and the water entering is 1.6 kg m-2 s-1. For this system Henry's law holds and ye=1.75x, where ye is the mol fraction of A in the vapour in equilibrium with a m
Sodium hydroxide solution is to be concentrated from 10% to 30% by weight using a single effect evaporator operating at atmospheric pressure, The liquid circulates through a calandria consisting of
Benzene is to be absorbed from coal gas by means of a wash oil. The inlet gas contains 3% by volume of benzene, and the exit gas should not contain more than 0.02% benzene by volume.
A continuous distillation column containing plates is required to distil a 46% w/w ethanol (C2H5OH) in water solution. The overhead product must contain 91 % w/w ethanol and the bottom product 5 % w
Consider the flow field where angular velocity w is equal to 2pi rad/s ( a physical frequency of 1 Hz). Is this flow field compressible or incompressible
The x-component of a velocity field is ax+b.If the flow is steady, two-dimentional and incompressible; generate an expression for velocity component in the y-direction as a function of x and y.
A 10m height chimney has a 2.0m x 2.0m square cross section. The wind blows horizontally in a direction which is parallel to one of the diagonals of the cross section.
The centres of the piers in a bridge are 8.0m apart. The piers are each 0.8m wide. Water flow under the bridge with an upstream depth and velocity of 4.0m and 4.0m/s respectively. The pier has a dra
A third similar bar is placed on the other two in the groove between them. Neglecting friction, what horizontal force on each lower bar is necessary to keep them together.
two solid rods AB and BC are welded together at B and loaded as shown. Knowing that d1=50mm and d2=30mm, find average normal stress at the midsection of rod AB and rod BC.
if each cord can sustain maximum tension of 50N before it fails, determine the greatest weight of the flower pot the cords can support
if the sphere falls at a speed of 150mm/s, what is the mean velocity relative to the cylinder wall of the water in the gap surrounding the midsection of the sphere
If the effective stack height of the plant is 100 m, and the ground reflects the SO2 emission perfectly what is the SO2 concentration at a sampling point located 2 m above the ground in the town.
Write out the continuity and momentum equations that govern the surge travelling downstream. (Note: assume that the surge velocity exceeds the water velocity)
Demand for a particular product is normally distributed with a mean of 100 units and a standard deviation of 20 per period. if there are 120 units in inventory at the beginning of this period
The 35-in pump of fig. 11.7b is used to pump 24000 GPM of water (68ft) at 710 rpm from a large tank whose surface is at atmospheric presure. the head loss from tank to the pump inlet is 3ft.
How much calcium bicarbonate (kg/day) will need to be added per day in water with alkalinity of 30 mg/L CaCO3 (assume for simplicity only bicarbonate alkalinity is present) if 794 kg of (Al2(SO4)3 x
the pressure drop over 15 m of 2-cm diameter galvanized iron pipe is measured to be 60 Pa. If the pipe is horizontal, estimate the flow rate of water. use for water v=10^-6 m^2/s and density of wate
payments of $1000 are to be made at the end of each year for the next 3 years. What is the present worth of the three payments if interest is 12% compounded monthly
Demonstrate Comprehension Level of Learning for preparation and submission of documents according to a specified form.