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Questions in engineering

[Done] Where can you find the meaning of a symbol used on an electrical drawing? A. In the panel schedule B. In the legend on the drawing C. In the title block D. In the conduit fill chart

[Done] What is a pinch point? A. Occurs when a hand tool is operated incorrectly B. Is an area on a machine prone to malfunction C. Occurs where machine parts are moving in opposite directions D. Is a place between a moving machine part and a stationary one

[Done] Why are grounding and insulation important safety features of many hand and power tools? A. It will prevent tools from immediately starting up after a power interruption. B. It will help protect you from electrical shock in response to stray electrical current. C. It will protect your hands and clothing from getting caught in moving belts, shafts, and pulleys. D. It will ensure that you have enough battery charge to complete the task.

[Done] Which circuit diagnosis method measures continuity and current carrying capacity? A. DMM voltage drop test B. Low impedance test lamp continuity test C. High impedance test lamp continuity test D. DMM resistance test

[Done] Employees must use full-body harnesses for fall protection when working on A. slippery surfaces B. supported scaffolds C. suspended scaffolds D. stepladders

[Done] A dashed line in an electrical drawing typically represents: A. A structural wall B. An electrical system to be installed in the future C. Plumbing piping D. A completed installation

[Done] According to OSHA's standard procedure for equipment lockout/tagout, what step is identified as "Release stored energy"? A. Step 1 B. Step 2 C. Step 3 D. Step 4 E. Step 5

[Done] Lockout/Tagout is a procedure that: A. Safeguards employees from the unexpected energization or start-up of equipment B. Involves using restraints and warnings on doors to company vehicles C. Requires the use of devices to restrain bystanders from falling into an open trench D. Keeps unauthorized personnel from entering a gas distribution facility

[Done] What is necessary for safely using an extension ladder? A. Place it on uneven ground B. Lean it against a stable structure C. Use it only indoors D. Place it on a soft surface

[Done] Explain the terminologies and concepts of earthing.