What is the linear attenuation coefficient for this material

Assignment Help Mechanical Engineering
Reference no: EM13714058

A material is found to have a tenth-thickness of 2.3 cm for 1.25-MeV gamma rays.

a) What is the linear attenuation coefficient for this material?

b) What is the half-thickness?

c) What is the mean-free-path length for 1.25 MeV photons in this material?

Reference no: EM13714058

Questions Cloud

Determine the heat flux across the steel sheet : A 10 mm thick Teflon sheet is perfectly bonded to a large 9 mm thick type 316 stainless steel sheets. The interface is at 119?C and the outer surface of the steel sheet is at 120?C. Take K Teflon = 0.25W/m.K K 316 Steel = 13.4 W/m.K In steady state, ..
Determine the heat fluxes through the walls-roof and door : The concrete walls and roof of a garage are 15-cm thick. The inside dimensions of the garage are 8-m long, 6-m wide, and 2.5-m high. The door is made of 12-mm thick hardwood and is 6-m wide and 2.5-m high. The garage is modeled in the figure below. O..
Air modeled as an ideal gas enters a combustion chamber : Air modeled as an ideal gas enters a combustion chamber at 20 lbf/in^2 and 70F through a rectangular duct, 5 ft by 4 ft. If the mass flow rate of the air is 830,000 lb/h, determine the velocity, in ft/s.
Suppose the unity feedback system : Suppose the unity feedback system of Fig. 5.60 has an open-loop plant given by G(s) = 1=s^2. Design a lead compensation D(s) = K (s + z)/(s+p) to be added in series with the plant so that the dominant poles of the closed-loop system are located at s ..
What is the linear attenuation coefficient for this material : A material is found to have a tenth-thickness of 2.3 cm for 1.25-MeV gamma rays. What is the linear attenuation coefficient for this material? What is the half-thickness? What is the mean-free-path length for 1.25 MeV photons in this material?
Two pounds of saturated water vapor : Two pounds of saturated water vapor at 400 F are condensed to saturated liquid in a piston-cylinder device. Calculate work done and heat transfer during this process, in Btu. Be sure to draw the process on a p-v diagram.
Determine ratio of dimensional drag force on small mario : NES/Famicom Super Mario Brothers scaling. Small Mario (figure a) has a height hM = 1.5 m, and while he is underwater runs along the ground with a speed VM = 0.5 m/s. Super Mario (figure b) is twice the height of Small Mario. How fast must Super Mario..
An important fluid property is the kinematic viscosity : An important fluid property is the kinematic viscosity which determines the viscous, or frictional, forces acting in a flow. The kinematic viscosity of air multiplied by 10^6 is given at 350, 450, 500, 550, and 650 K as 20.92,32.39, 38.79, 45.57, and..
An air compressor is designed to compress ambient : An air compressor is designed to compress ambient (assumed to be 100 kPa, 20C) to a pressure 1 MPa. The heat transfer rate to the ambient is anticipated to be equal to 10% of the power input to the compressor.

Reviews

Write a Review

Mechanical Engineering Questions & Answers

  If the starting temp is 65of and the coefficient of linear

a shrink fit assembly is to be performed on a pin and collar. with the starting dia. being 0.875 the pin needs to be

  The old style heating uses steam or hot water in an

the old style heating uses steam or hot water in an radiator to heat a room in winter time. a radiator can be

  It is assumed that the wire surface temperature is constant

an electrical wire having a diameter of 1.5 mm and covered with a plastic insulation thickness 2.5 mm is exposed to

  Find the rate of heat removed from the condenser

2 kg/s of steam enters a SSSF condenser at 10 kPa and 90% quality; and exits as saturated liquid at 10 kPa. Find the rate of heat removed from the condenser. Evaluate the entropy change in the boiler, and determine whether it is irreversible, reversi..

  Prepare a poster presentation detailing your methodologies

On the basis of your study, recommend especially promising natural refrigerants and areas of application where each is particularly well suited. Report your findings in a PowerPoint presentation -  technical and economic factors and effects on th..

  Determine the horizontal line along

Determine (a) the horizontal line along which the shearing stress is a maximum, (b) the constant k in the following expression for the maximum shearing stress.

  If the elevation points a and b relative to the elevation

a contractor is required to prepare a soil surface so that its planar and the normal direction to the surface is within

  Calculate the quality if saturated or the temperature if

steam enters an insulated nozzle with a velocity of 500 ms and a pressure of 5.0mpa and a temperature of 600 degrees

  Find the elapsed time to vaporize the propane and total

a factory has a large liquid propane storage tank. the propane is to be used as vapor. evaporation of the liquid

  What is the acceleration of the helicopter neglecting

an 84.5 kg hiker is trapped on a mountain ledge following a storm. a helicopter rescues the hiker by hovering above him

  The torque is found to have the same magnitude but in the

a force of f 1.00 7.00n is applied to an object that is pivoted about a fixed axis aligned along the z coordinate

  The diameter at the point of fracture is 658 mm and the

a cylindrical metal specimen having an original diameter of 11.05 mm and gauge length of 51.7 mm is pulled in tension

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd