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Questions in engineering

[Done] Which of the following is typically not found in a complete set of electrical construction documents? A. Electrical floor plans B. Material delivery schedules C. Panel schedules D. Written specifications

[Done] A two-stage heat/one-stage cool thermostat is used for what type of HVAC system? A. Steam boiler B. Gas furnace C. Heat pump D. Air Conditioner

[Done] Which component standard rates motor controllers in HP? A. IEC B. NEMA

[Done] Mason often performs electrical work for his HVACR jobs. What tool would he most likely use? A. Digital voltmeter B. Noncontact voltage tester C. Clamp-on voltmeter D. Multimeter

[Done] Select all that apply: Which of the following statements about high voltage battery depowering are true? A. Depowering may be required based on inspection results. B. Depowering drains all of the energy from the battery. C. Depowering is only used for Ultium batteries. D. Depowering lowers the energy level of the battery.

[Done] The minimum requirements of most energy codes and standards are: Select one: A. Improve financial efficiency, reduce construction delay, and reduce economic impact. B. Improve energy efficiency, reduce waste, and reduce environmental impact. C. Improve construction efficiency, reduce cost, and reduce construction time. D. Improve building efficiency, reduce waste, and reduce economic impact.

[Done] The top of a wood drawer is $\frac{1}{16}$ " too tall to fit into the drawer space. Which of the following tools should be used to remove the excess wood? A. plane B. gouge C. radial arm saw D. reciprocating saw

[Done] The movement of electrons and holes across a PN junction is known as (a) Depletion Layer (b) Potential Barrier (c) Diffusion (d) Electron and Holes equilibrium (e) None of the above.

[Done] A typical steel roof truss joint consists of THREE struts connected to a horizontal tie beam by means of an 8 mm thick gusset plate. FIGURE 1 (below) shows the layout of the members. Part A: Parts B and D: Part C: 100 × 100 × 10 rolled-steel angles bolted to the gusset plate using THREE equally spaced M16 bolts 60 × 60 × 8 rolled-steel angles welded to the gusset plate by means of 8 mm fillet welds 70 × 70 × 8 rolled-steel angles bolted to the gusset plate using TWO equally spaced M12 bolts Draw, to scale 1:5, the complete detail of the connection. Include all labels and welding symbols.

[Done] What factor determines the ladder load capacity you need to use? A. The weight of the ladder itself B. The ladder's material and design C. Your weight and the weight of the materials and tools you will use D. The ladder's manufacturer