Choose Apple menu (ï£¿) > System Preferences, click Keyboard, then click Dictation. Turn on Dictation and choose from these Dictation options: Choose whether to use Enhanced Dictation, which lets you use dictation when you're not connected to the Internet. Choose your language and dialect.
Methyl red (2-(N,N-dimethyl-4-aminophenyl) azobenzenecarboxylic acid) , also called C.I. Acid Red 2, is an indicator dye that turns red in acidic solutions.It is an azo dye, and is a dark red crystalline powder. Methyl red is a pH indicator; it is red in pH under 4.4, yellow in pH over 6.2, and orange in between, with a pKa of 5.1.ethyl red (2-(N,N-dimethyl-4-aminophenyl) azobenzenecarboxylic acid) , also called C.I. Acid Red 2, is an indicator dye that turns red in acidic solutions.
How Does a Dial Indicator Work ? You will need the precision inspection instrument to degree in a cam, check cam lobe lift or blueprint your engine. Dial indicators are also great for checking crankshaft runout, crank end play or piston deck clearance. Although a versatile inspection tool, there are other methods you can use that require the use of less expensive tools if you are only doing a rebuild. The tpical dial indicator consists of a plunger and two dials. As the plunger moves in and out, the dials rotate, indicating plunger travel within an accuracy of 0.001 in. The larger, or outer, dial face is divided into 0.001-in. graduations and the smaller one is divided into revolutions of the larger dial.