Example for strengthening mechanism in single-phase material A. Dispersion strengthening B. Precipitation hardening C. Fiber strengthening D. Strain hardening

Heat in the amount of 7.5 kJ is added to a closed system while its internal energy decreases by 12 kJ.

A spiral staircase is an example of a screw options: True False

Air pressure is higher above an airfoil. true or false

Fuel systems of modern cars are designed so thermal expansion of gasoline doesn't result in wasteful and polluting fuel spills. As an engineer, you're asked to specify the size of an expansion tank that will handle this overflow.

What should you lubricate the grommets with when installing a new master cylinder reservoir?

There are six items to be rung up in the cash register. The first item costs $15.00. Each item after that costs an additional $2.00. (item #2 costs $17, item #3 costs $19, etc.

List and briefly describe two modern's materials needs

Write the definition of a method named add that receives a reference to a Scanner object associated with a stream of input consisting of integers only. The method reads all the integers remaining to be read from the stream and returns their sum.

How are fluids distributed and transported in a fluid power system?

The sliders A and B are connected by a light rigid bar of length l = 20 in. and move with negligible friction in the slots, both of which lie in a horizontal plane. For the position where xA = 16 in., the velocity of A is vA = 3 ft/sec to the right.