Rotating machinery Study guides, Class notes & Summaries

2 Categories of Rotating Machinery - ANSWER-Motors and Generators All rotating machinery have these: - ANSWER-Rotating Shaft Mechanical in Electrical out Why is AC Motor so popular? - ANSWER-Readily Available Twisting Action - ANSWER-Torque How is torque related to CEMF? - ANSWER-Inversely Starting Current for DC Series motor is (greater/less) than for DC shunt - ANSWER-Greater Generates Rotor Current in an AC induction motor - ANSWER-Stator Magnetic Field Has characteristic...

Automotive Lubrication System Questions and Answers 100% Pass What does the term "friction" refer to in mechanical systems? It describes the resistance encountered when two dry surfaces slide against each other. How can lubrication be defined in the context of machinery? Lubrication involves reducing friction by introducing a slick substance between moving surfaces. What are the main roles of engine oil? Engine oil facilitates easy engine start-up, lubricates moving parts, safegu...

To provide protection in the crane's work area, barriers MUST be erected in accessible areas: A. Within machinery housing C. Within maximum radius D. In landing area B.Within the equipment's rotating structure All of the following can cause a two-block condition EXCEPT: A. Extending the boom B. Lowering the boom C. Hoisting up with the winch D. Raising the boom When rotation of the load may be hazardous, the operator must B. Use a longer radius C. Caution all personnel to remain cl...

Rigidity is determined by what three factors? correct answers Rotor shape, rotor weight, and rotor speed. Any machine that has a spinning or rotating shaft and uses electricity as the input or output is ______________. correct answers Rotating Machinery What are the two categories of rotating machinery? correct answers Motor and generator. A __________ uses an electrical input and converts it to a rotating mechanical output. correct answers motor A __________ uses a rotating mechanic...

Rigidity is determined by what three factors? correct answers Rotor shape, rotor weight, and rotor speed. Any machine that has a spinning or rotating shaft and uses electricity as the input or output is ______________. correct answers Rotating Machinery What are the two categories of rotating machinery? correct answers Motor and generator. A __________ uses an electrical input and converts it to a rotating mechanical output. correct answers motor A __________ uses a rotating mechanic...

API 580 Flash Cards RBI will not compensate for these 6 things: 1. Inaccurate or missing information 2. Inadequate designs or faulty equipment installation 3. Operation outside the acceptable IOW's 4. Not effectively executing the plans 5. Lack of qualified personnel or teamwork 6. Lack of sound engineering or operational judgment RBI is specifically targeted for what industry? Hydrocarbon and chemical process. Mechanical Integrity Focused The RBI process is focused on maintaining...

The provided information comprises two lab reports, each detailing a distinct experiment's objectives, methods, and findings. In the first lab report, the focus is on analyzing the behavior of a cantilever beam subjected to varying loads. It highlights the comparison between experimental and analytical calculations, revealing minor discrepancies attributed to factors like human error and friction. The experiment underscores the importance of precise measurements and instrument calibration in str...

MSSC Maintenance Awareness Questions and Answers Rated A+ When connecting a 3-phase motor the three lines (T1,T2 and T3) are usually connected to __________. - Answer ️️ -- L1, L2, and L3 Electricians use __________ to prevent damage to electrical wiring running to the machine. - Answer ️️ -- rigid and flexible conduit When the wire or foil strip inside a fuse melts, the fuse is said to be __________. - Answer ️️ -- blown The difference between a fuse and a circuit breaker is ...

API 580 Flash Cards RBI will not compensate for these 6 things: 1. Inaccurate or missing information 2. Inadequate designs or faulty equipment installation 3. Operation outside the acceptable IOW's 4. Not effectively executing the plans 5. Lack of qualified personnel or teamwork 6. Lack of sound engineering or operational judgment RBI is specifically targeted for what industry? Hydrocarbon and chemical process. Mechanical Integrity Focused The RBI process is focused on maintaining...

Rigidity is determined by what three factors? - ANSWER-Rotor shape, rotor weight, and rotor speed. Any machine that has a spinning or rotating shaft and uses electricity as the input or output is ______________. - ANSWER-Rotating Machinery What are the two categories of rotating machinery? - ANSWER-Motor and generator. A __________ uses an electrical input and converts it to a rotating mechanical output. - ANSWER-motor A __________ uses a rotating mechanical input and convert it to a...