What does it mean if the oil has a metallic look when you open a gearbox?

A. bad seals
B. deteriorating bearings
C. worn gears
D. bad oil


Answer: C

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Name the factors that affect the fire resistance of reinforced or prestressed concrete members.

What will be an ideal response?

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The neutral point is the common point on a ____ in a polyphase system.

A. bye-connection B. branch circuit C. wye-connection D. delta circuit

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How many 1-cubic-foot size bags to the nearest hundredth of masonry cement are needed to lay standard-size bricks to build single-wythe chimney walls for a 30'6" tall appliance chimney having an 8" x 8" flue lining?

What will be an ideal response?

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Assume that a motor has known friction and windage losses described by the equation TFW = b?. Sketch the T -? characteristic of the motor if the load torque TL is constant, and the TL -? characteristic if the motor torque is constant. Assume that TFW at full speed is equal to 30 percent of the load torque.

Find: Sketch torque-speed curve

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