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1.The boiling point of water decreases wiht elevation because of the pressure change. what is the boiling point of water at an elevation of 2000m and at an elevation 4000 m for standard atmospheric conditions?
2.Calculate the reactor volume required to achieve 95% for steady state and 1st order reaction for CMFR and PFR.
3.An 80 kg astronaut took his bathroom scale (a spring scale) and a beam scale (compare masses) to the moon where the local gravity is g=1.67 m/s^2. Determine how much he will weigh (a) on the spring scale and (b) on the beam scale.
An emergency drawdown structure for a reservoir consists of a 1,000 ft long, 1.0 ft (inner) diameter commercial steel pipeline with a wall thickness of 0.5 inches. A gate valve is located at the end of the pipe. If the valve is closed suddenly, deter..
A structure is designed with a factor of safety of 5.25 psi. If the allowable stress of the structure is 3000 psi. What stress on the structure will lead to its failure?
The velocity along a pathline is given by V (m/s) = s^2 x t^(1/2) where s is in meters and t is in seconds. The radius of curvature is 0.5 m. Evaluate the acceleration along and normal to the path at s = 2m and t = 0.5 seconds.
1. you are working for urs on a building project in dearborn michigan. you are responsible for the design of the
A 5.0-kg block is attached to a spring whose force constant is 125 N/m. The block is pulled from its equilibrium position at x = 0 m to a position at x = + 0.687 m and is released from rest.
Consider a 1000 acre residential area with a housing density of four dwellings per acre. Evaluate the peak hourly water use requirement.
A multiple-piston hydraulic jack has two output pistons, each with an area of 250 cm^2. The input piston, whose area is 25 cm^2, is concerned to a lever that has a mechanical advantage of 9:1.
A toll booth on a turnpike is open from 8:00AM to 12 Midnight. Vehicles start arriving at 7:45AM at a uniform deterministic rate of six per minute until 8:15AM and from then on at two per minute
The car's position is defined by the position vector, where . The image below shows the system projected onto the x-y plane. What are the car's velocity and acceleration vectors at this position
A steel shaft with a diameter of 40mm and length of 1.1m transmits 60hp from an electric motor to a compressor. If the allowable shear stress is 50MPa and the allowable angle of twist is 1.5 degrees
A compressor pressurizes air from 1 atm to 2.38 atm at steady state. At the entry the air's temperature is 70F, whereas at the exit it has quadrupled (in degrees F). At the entry the air's volumetric flow rate is 17 ft3/s
Calculate the tensile modulus of elasticity for a 10 laminated composite consisting of 62 percent by volume of unidirectional carbon fibers and an epoxy matrix under isostress conditions.
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