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Questions in engineering

[Free] Under SAE J2788, equipment shall be capable of removing a minimum of ____ of the refrigerant from the test system in 30 minutes or less. A. 50% B. 75% C. 95% D. 100%

[Free] TITLE: DESIGN OF ISOLATED AND WALL FOOTING INSTRUCTIONS: Research for two (2) past board exam problems with the following topic: • Design of wall footing

[Free] Carrier bearing preload should be adjusted: A. Before setting ring gear backlash. B. After setting ring gear backlash. C. At the same time as setting backlash. D. After differential assembly.

[Free] The nitrogen cylinder's valve should only be opened: A. All answers are correct B. When the ambient temperature is above 70F C. When the cap is on the cylinder D. When a regulator has been installed

[Free] A counter circuit is usually constructed of ______ Select the correct option: A) A number of NOR gates connected in cascade form B) A number of flip-flops connected in cascade C) A number of latches connected in cascade form D) A number of NAND gates connected in cascade form

[Free] Explain how gear ratio affects torque and speed in a gear system. Support your answer with an example using a gear ratio of 1:3.

[Free] Which of the following statements is correct regarding the slope deflection method? 1) This method is a displacement method of analyzing beams and rigid frames. 2) In this method it is assumed that all deformation is due to ending moment only. A) Both 1 and 2 B) Only 1 C) Neither 1 nor 2 D) Only 2

[Free] Which of the following oil grades would be easiest to start in cold weather? A. 20W - 40 B. 20W - 50 C. 0W - 40 D. [tex]$5 W-30$

[Free] A hazard review of a confined space must be performed A. on any confined space B. at the discretion of the site supervisor C. on any permit-required space D. if there is a known hazard

[Free] If a power plant is under maintenance/repair, what can ensure continuous power supply to the area served by that plant? A. Power grids B. Tie lines C. Sub-transmission lines D. Generators