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Normal human skin and clothing temperature indoors is approximately 30 o C. In order to maintain this temperature, one student sitting in a classroom gives off heat at a rate of 14 watts per degree K in temperature difference between the person and the room. If the room is kept at 21 o C and there are 100 students in the classroom, how much heat is added to the room during a 50-minute class,
a. in units of kJ?
b. in units of kwh?
The steam flow rate entering the pipe is 2500kg/hr. Due to heat loss from the pipe to the surrounding air (at 25 C) 20 kg/hr of condensate is formed in the pipe and removed at the end of the pipe.
write a c++ code for two classes one being automobile and one being motorcycle both being the base class then at least one derived class from each
Calculate the area of flow, hydraulic radius, wet perimeter, and top width of a 12-inch diameter pipe that flows at 1/4 of its capacity.
Compute and compare the hydraulic conductivity (m/s) of a formation with respect to the three liquids below. The formation has a permeability k = 0.1 darcy and g = 9.8 m/s2. Liquid viscosity (g/cm s) density (g/cm3)
The unit will be of flood type, which will cool the products as they are conveyed into the channel filled with water. The products will be dropped into the channel filled with water at one end and be picked up at the other end.
If they plan to increase their savings by 5% each year, how much must they invest in the first year given that they expect to earn 4% per year on their investment?
A human with a surface area of 2 m^2 and a surface temperature of 27 degrees celcius radiates into a large room (which acts as a black body), the surfaces of which are at 15 degrees celcius.
If the front edge of a contaminant plume is perfectly straight, how long would it take to travel to Well 1 after first arriving (simultaneously) at Wells 2 and 3, assuming that the contaminant plume travels only half as fast as the groundwater flo..
Estimate the time when the temperature at the geometric center of a 6 cm diameter apple held in 2`C water stream reaches 3oC. The initial uniform temperature of the apple is 15`C.
A PVC pipe with a diameter of 30 inches will carry a flow of 20 cfs. the bottom slope is 0.005 and the roughness coefficient is 0.015. determine the normal depth, critical depth, velocity and the froude number.
What textbooks are used and required for CIVE 205, MECH 289, CIVE 290, EPSC 221 and MATH 263 at McGill?
This uniformly reduces 4X10-4 cm / s to a depth of 22 meters. If the water level is about 3 feet below the surface, determine the saturated hydraulic conductivity of the layer.
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