How to enable 32 bit , .NET framework, pipeline mode while creating a application pool using powershell ?

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IIS

PowerShell

I want to enable 32 bit,.net framework,Pipeline mode while creating a Application Pool using powershell
Currently I am able create application pool with the username & password custom account. But Framework version, Enable 32 bit, Setting PipelineMode(Classic/Integrated) is not getting enabled.

What I have tried:

$AppPool="Test" 
    $Username="svc\jr.k"
    $Password="test123."
    $iisAppPoolDotNetVersion="v2.0"
    $managedPipelineMode=1 
    $enable32bit="true" 
    New-Item IIS:\AppPools\$AppPool
    $NewPool = Get-Item IIS:\AppPools\$AppPool
    $NewPool | Set-ItemProperty -Name "managedRuntimeVersion" -Value $iisAppPoolDotNetVersion
    $NewPool | Set-ItemProperty -Name "enable32BitAppOnWin64" -Value $enable32bit 
    $NewPool.ProcessModel.Username = "$Username"
    $NewPool.ProcessModel.Password = "$Password"
    $NewPool.ProcessModel.IdentityType = 3
    $NewPool | Set-Item