Ayuda para tareas de ingeniería
Diseñado para ingenieros estructurales de primera línea que trabajan en el campo, la ayuda de asignación de ingeniería espera ayudar a los ingenieros de todos los campos en su trabajo.
Contiene varias ayudas de cálculo, procesos de cálculo y métodos operativos que son efectivos en el trabajo diario del proceso de cálculo para producir datos rápidamente. Con funciones integrales de cálculo y consulta, los usuarios pueden buscar requisitos operativos relevantes de acuerdo con las necesidades reales y producir valiosos datos de ingeniería.
- If the noise is accompanied by normal oil pressure, then further diagnosis of the noise is not warranted Select one: True False
- Air in the engine oil will cause problems because the pump will send this air to the moving parts and cause damage. Select one: True False
- not needed regulator elding? 4. not needed for Mroning dings of equipment is A oxygen regulator B. shielding gas supply C. electrode feed unit D. welding gun 5. What must be done ceted to helding gas cylin. regulator? it is connected to the flowmeter A cleaned B. chained securely in place C. painted the correct color D. turned so the valve will be pointing in a direction that makes the 6. What angle should the flowmeter regulator be set at? A. 45^circ B. 221/2^circ C. 75^circ D. 90^circ 7. When the electrode wire gets knotted up at the feed rollers it is called __ A. birds nesting B. tangling D . winding D. de-spooling 8. What may happen if the wire end is cut loose from the spool without holding it? A. unwind B. get dirty C. become bent D. re-coil 9. The spool drag should be set so the spool does not roll freely when the feed rollers stop. A. true B. false 10. Short cut pieces of welding wire should not be discarded on the floor because __ A. they can be reused B. it wastes wire that can be used for gas welding C. they make the shop look dirty machine,shorting out the electrical power 11. Use Table 12-1 to determine what the amper- fed at a rate of 400in/min(10.2m/min) age would be if .035 in. (0.9 mm)wire is being A. 210 amps B. 400 amps C. 130 amps D. 430 amps 12. As the electrode extension increases, the weld's penetration __ and buildup __ A increases/increases B. decreases/decreases C. increases/decreases D. decreases/increases 13. When welding with a backhand or dragging the buildup __ angle, the weld's penetration __ and A. increases/increases B decreases/decreases C. increases/decreases D. decreases/increases 14. When the welding gun is pointed in the direc- tion of the weld it is referred to as being at a __ A. dragging angle B. backhand angle C. forehand angle D. right angle 15. According to Table 12-6 helium is an inert gas. A. true B. false 16. How far back from the joint should the surface of the metal next to a groove joint be? A. 1 in. (25 mm) B. 2 in. (50 mm) C. 1/2in (13 mm) D. 11/2 in. (38 mm) 17. Which metal transfer method would be best for welding on 16 gauge sheet metal? A. short circuiting metal transfer B. globular metal transfer C. axial spray transfer D. pulsed globular transfer
- The oil pressure gauge will usually be installed where the oil pressure sensor (sometime called an oil pressure __ or oil pressure switch)is located. Select one: a. Gauging unit b. Sending unit c. Both A and B d. Neither A nor B
- To create a functional design for a solor cooker. __ and __ must be met form; function size;shope supply; demond criteria; constrain