El diámetro externo de un tubo de hierro de 3 pulgadas (7,62 cm) mide _____.
a. más de 3 pulgadas (7,62 cm)
b. menos de 3 pulgadas (7,62 cm)
c. exactamente 3 pulgadas (7,62 cm)
d. Ninguno de los anteriores.
a. más de 3 pulgadas (7,62 cm)
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What cutting fluid should be used when reaming mild steel?
A. lard B. dry C. kerosene D. soluble oil
Answer the following statement(s) true (T) or false (F)
1. The circuit wires from an isolated power system are permitted to share the same cable, raceway, box, or enclosure with circuit wires of any other system. 2. Each operating room is required to have the circuits supplied by a separate isolation transformer. 3. The wet procedure location is an area where a patient may be put in intimate contact with electrical equipment that may produce a real hazard of electrical shock to essential body organs, or where the reliability of the equipment is necessary for life support. 4. The patient equipment grounding point and the reference grounding point are frequently the same point for critical care areas. 5. A patient equipment grounding point is permitted but not required.
Determine the pressure of the system and the equilibrium constant for the reaction.
A reaction A+B?C+D occurs in the liquid phase at 298.15 K. A vapor phase is also present, but no reaction occurs in the vapor phase. The liquid is an ideal solution and the vapor is an ideal gas. Vapor pressures are 0.12 MPa for compound A, 80kPa for compound B, 0.15 MPa for compound C and 70kPa for compound D. At equilibrium the liquid phase consists of 36 mol% A, 33 mol% B, 11 mol% C and 20 mol% D.
Centerlines are used to indicate that an object is ____.
A. 3-D B. 2-D C. asymmetrical D. symmetrical