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Questions in engineering

[Homework Help] 5) Designed for use in areas with low head clearance, ______ guard the wearer against falling or flying object hazards. a) Hard hats are not sturdy enough to b) safety helmets c) Bump Hats d) Face shields 6) To prevent accidental election of fasteners when operating at pressures higher than

[Homework Help] What is the normal time delay in an oil safety control before it trips? A. 10 seconds B. 30 seconds C. 120 seconds D. 60 seconds

[Homework Help] CONCRETE WITH BARITE, LIMONITE AND MAGNETITE AND SPECIFIED IN ASTM C637, IS WHICH OF THE FOLLOWING? A) NORMAL-WEIGHT CONCRETE B) STRUCTURAL LIGHT-WEIGHT CONCRETE C) INSULATING CONCRETE D) HEAVY-WEIGHT CONCRETE

[Homework Help] CONCRETE IS USUALLY PREPARED IN BATCHES. True False

[Homework Help] Can you demonstrate restoring energy? Select and drag each of these steps of what you need to do to restore energy to a machine into the correct order. 1. Verify all controls are in neutral. 2. Make sure other employees are safe. 3. Notify affected employees that locks and tags will be removed. 4. Inspect the machine. 5. Remove locks and tags. 6. Notify affected employees that locks and tags were removed and the machine is ready.

[Homework Help] All manual transmission seal surface openings should be checked for A. Closure B. A tight seal C. Flatness D. Concentricity with a dial caliper or bore gauge.

[Homework Help] If the total resistance of two motor windings connected in parallel is 240 and 240V is applied to the circuit, how much current will flow? Select one: A. 10A B. 12A C. 14A D. 20A

[Homework Help] Which of the following is an example of a tool that requires point-of-operation guarding? a) A guillotine cutter b) A hand saw c) A cordless electric drill d) A bottle jack

[Homework Help] Solve the initial value problem below using the method of Laplace transforms. [tex]y^{\prime \prime}+16 y=16 t^2-32 t+66, y(0)=0, y^{\prime}(0)=18[/tex] [tex]y(t)=[/tex]

[Homework Help] Who is responsible for overseeing all the required daily inspection activities at an excavation site? A. The competent person B. The lead architect C. The construction engineer D. The heavy equipment operator