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Questions in engineering

[Terjawab] Which of the following characteristics would classify a confined space as a permit-required confined space? Select 3 that apply. A. Is open to the atmosphere with natural ventilation B. Contains a hazardous level of a chemical like hydrogen sulfide C. Has less than 19.5% oxygen D. Has inwardly sloping walls

[Terjawab] The ability to sustain load is a material's A. stiffness B. quality C. ductility D. strength

[Terjawab] During Vickers Diamond test, an 800 kg load was applied to the square pyramid indenter. If the average length of diagonals and angle between opposite faces of diamond were 300 cm and 120°, respectively, determine the Vickers Hardness Number (VHN).

[Terjawab] Which three of the following safety cautions about service regeneration are correct? Keep people, other vehicles, and combustible materials away from the vehicle. Perform service regeneration outdoors, with the hood open, and away from walls or buildings. Never connect shop exhaust removal hoses to the vehicle exhaust during the procedure. Leave the vehicle unattended, and work on other vehicles.

[Terjawab] Which TWO of the following cause a small positive GM at the start of a voyage to become dangerous during the passage? Select the TWO correct answers. A) Consumption of bunkers in a low tank B) Consumption of bunkers in a high tank C) Distribution of weights due to bad stowage D) Partially filled tanks giving free surface effect

[Terjawab] When working on electrical circuits, the technician should do which of the following? A. Avoid damp or wet areas B. All answers presented C. Ensure equipment is grounded D. Wear appropriate insulated work boots

[Terjawab] What is the MAXIMUM allowable free-fall distance when using a personal fall arrest system? Select the best answer that applies. A. 4 feet B. 6 feet C. 10 feet D. 2 feet

[Terjawab] What touch point provides information so the customer can make an informed decision about the services they would like us to perform?

[Terjawab] 10.) Equipment that recovers and recycles CFC-12 and HFC-134a must meet SAE Standards? A) J2211 B) J1989 C) J1770 D) J2211 and J1989

[Terjawab] What is the four-stroke cycle, also known as the Otto cycle, and what is the boiling point of water? Please detail your answer.