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1. Heat transfer decreases with increased?
a. Conductivity
b. R-factor
c. U-factor
d. Molecular activity
2. Ninety kilograms of ice at 0 deg. celsius completely melted. Find the entropy change in KJ/K? (Take latent heat of ice as 320 KJ/Kg)
a. 0
b. 85
c. 45
d. 105
3. The change in thermodynamics availability is equal to?
a. the quality delta S
b. maximum possible work output
c. actual work output
d. the change in enthalpy
4. The ratio of the heat equivalent of the net output power to the total heat at supplied?
a. mechanical efficiency
b. heat efficiency
c. thermal efficiency
d. power efficiency
5. Device used to determine whether the part has been made tolerance required?
a. gages
b. inside micrometer
c. level
d. planimeter
Discuss the role of each physical, chemical and biological unit operations and processes employed in the wastewater treatment facility. If this treatment facility is required to supply class A recycle water to those industries for non-potable use
A 1.2-in. rainfall occurs in a 6-hour duration. If this represents an exceedence probability of 10%, what is the probability it will be equaled or exceeded at least once in the next 3 years. What is the probability it will be equaled or exceeded e..
A block of mass m is attached to two springs as shown. Knowing that in each case the block is pulled through a distance x from it's equilibrium postition and released, determine the maximum speed of the block in the subsequent motion.
Two platinum resistance thermometers are used to measure a temperature difference of 8?C. Discuss the uncertainties which may be involved. Would a thermopile arrangement be better and, if so, why?
Compute the updated echelon base-stock levels for the Stage Three Incorporated example given the same distribution of demand at the field warehouse, but with a penalty cost that is 20% of the original value (i.e., b = $10) and a 50% increase in ec..
The rigid bar of negligible weight is supported as shown. Find the stress in each rod if the temperature rises DeltaT after a load P is applied. Use the following data: area of steal rod 320mm2, bronze rod 1300mm2, thermal expansion coefficient Al..
The casting has a mass of 3Mg. Suspended in a vertical position and initially at rest, it ia given an upward speed of 200mm/s in o.s^s using a crane hook H. Determine the tension in cables AC and AB during this time interval if acceleration is con..
The objective is to train a network so that it will classify the six patterns into the appropriate T, G or F groups.
Air is compressed from an initial state of 100 kpa and 170 *C to a final state of 600 kpa and 57 *c. Determine the entropy change of air during the compression process by using a) property values from the air table and b) average specific heats
Write a MATLAB program that loads the sensor_new.dat file. The sensor readings were actually taken every second over a period from 0 to 19 seconds. Create a time vector going from 0 to 19 in 1 second increments.
A cylindrical soil sample fails under an axial vertical stress of 160 kN/m^2, when it is laterally unconfined. The failure plane makes an angle of 50 degrees with the horizontal.
The path of motion of a 7-lb particle in the horizontal plane is described in terms of polar coordinates as r= (3t+2) and theta=(0.2t^2-t) , where t is in seconds. Determine the magnitude of the unbalanced force acting on the particle when t=3s.
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