Briefly describe the four ingredients that are considered essential to all brake fluids.
What will be an ideal response?
All brake fluids are made up of four key ingredients:
1. A lubricant to keep parts sliding freely
2. A solvent-diluent, which determines the fluid's viscosity and boiling point
3. A modifier-coupler, which changes the amount of swelling of rubber parts exposed to the fluid
4. Inhibitors to prevent corrosion and oxidation.
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The orbit farthest from the nucleus contains the ____________ electrons.
Fill in the blank(s) with the appropriate word(s).
Theodore Roosevelt became involved in the peace settlement for the Russo-Japanese War
A. to enhance his international stature as a key world leader. B. as a way of enhancing America's position in East Asia. C. when Russia asked for his assistance. D. because he feared that the British might intervene and thus gain prestige. E. when Japan secretly asked him to help mediate a peace settlement with the Russians.
A good way to check the condition of the grinding wheel on a bench grinder is to _____
A) exceed the maximum rpm rating B) hold the tool rest against the wheel C) induce vibration and monitor the wheel?s response D) perform a ring test on the wheel
The symbol for a spot weld is ____.
A.
B.
C.
D.
