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Questions in engineering

[Terjawab] (b) A potential is given by the expression [tex]$V=2(x+1)^2(y+2)^2(z+3)^2$[/tex] volts in free space. Determine each of the following at point [tex]$P (1,2,3)$[/tex]: (i) potential; (ii) electric field; (iii) electric flux density.

[Terjawab] All of the following can be used as power resources for power tools except: A. hydraulic pressure B. compressed air C. steam D. gasoline

[Terjawab] In oil wear(s) out, which is why oil should be replaced regularly. Additives Base stock

[Terjawab] Which of the following temporary guardrail top rail heights is unacceptable? A. 37" B. 40" C. 39" D. 45"

[Terjawab] What is the most important priority on a jobsite when investigating incidents? A. Property B. Timelines C. People D. Serious accidents

[Terjawab] Listen [tex]r=\frac{V_d+V_c}{V_c}[/tex] What is this formula used to calculate? A) Radius B) Volume C) Compression ratio D) Mass ratio

[Terjawab] Cylinder color-coding is a requirement for manufacturers, so technicians do not need to check labels. A. True B. False

[Terjawab] A PFAS anchorage point for a 6' (1.8 m) lanyard must be able to hold: A. 5,000 pounds (2,268 kg) B. 1,000 pounds (453.6 kg) C. 250 pounds (113.4 kg) D. 500 pounds (226.8 kg)

[Terjawab] The most common method used to gain access to small hermetic systems or those without access ports is using a piercing valve. A. True B. False

[Terjawab] Which of the following is an example of a realistic noise reduction plan? A. Buying a 2nd generator B. Using larger machinery C. Placing a generator on a rubber pad D. Relocating job sites