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The annual growth rate of energy utilization in the world was 2.5% per year in 2011. how long would it take to consume all available resources if the consumption growth rate of 2.5% per year is maintained? assume that the global energy resources currently are sufficient to sustain for the next 1000 years at the current utilization rate. use the simple exponential model to solve the problem.
a piston-cylinder device initially contains 1.4 kg of refrigent-134a at 140 kpa and 20 degc. heat is now transferred to
Cracks propagate when the stress intensity factor exceeds a critical value and describe the fracture behaviour of the insulation tape loaded with a small crack.
The velocity profiles at locations x=0.1, 0.30 and 0.5. Plot contours of u-velocity and v-velocity. How many iterations did it take to get your solution?
What information has to be obtained in order to ensure that the method will be a satisfactory one and determine changes in composition of a fluid. Define what is meant by refractive index, and give the relationship between the incident and refracte..
problem a tension link shown to the right is used in earth-moving equipment and is subjected to cyclic stresses varying
Demonstrate suitable accuracy by using a simple hand calculation for the static analysis of the structure. Describe in detail the hand calculations performed to validate the final solution. What is the approximate error between the simplified hand..
a beam having the cross-section shown is subjected to the a vertical shear v.nbspdetermine a the horizontal line along
A 60 ohm, 40 ohm, and 20 ohm resistor are each connected in parallel across a 120VAC source. What is the total current.
a diesel engine performs 2090 j of mechanical work and discards 4125 j of heat each cycle.a how much heat must be
Average pressure at end of stroke? Upsetting force required at the end of the stroke? If friction is neglected, what is the amount of upsetting force?
The elevator E has a mass of 500kg, and the counterweight at A has a mass of 150Kg. if the motor supplies a constant force of 5KN on the cable at B, determine the speed of elevator when t= 3s, starting from rest neglect the mass of pulleys and cab..
1.what are the four standard types of projections?nbsp2.what are the advantages of using grid paper for
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