Comprehensive nutrition resource for Sonic Chocolate Shake - Regular. Learn about the number of calories and nutritional and diet information for Sonic Chocolate Shake - Regular. This is part of our comprehensive database of 40,000 foods including foods from hundreds of popular restaurants and thousands of brands.
Duct BlasterÂ®. 1  A Duct Blaster is used to directly pressure test the duct system for air leaks, much the same way a plumber pressure tests water pipes for leaks. 2  The Duct Blaster fan is first connected to the duct system at the air handler cabinet, or a return grille. After temporarily sealing all remaining registers and grills, the Duct Blaster fan is turned on to force air through all.
This can also serve as a gauge for how accurate the tester is on plating. Apply the magnetic end of the tester to the chrome plated object. Pull the tester away from the object. Magnetic testers determine the thickness of the chrome coating by measuring the force needed to pull the magnet away from the object.Since chrome, like copper and nickel, is a non-magnetic metal the tester's magnetic pull comes from the steel or other metal beneath the chrome.Read the measurement from the tester.pply the magnetic end of the tester to the chrome plated object. Pull the tester away from the object. Magnetic testers determine the thickness of the chrome coating by measuring the force needed to pull the magnet away from the object.