Engineers: Why isn't a roll pin lock used universally for linking to a motor shaft?

1 Answer

Answer :

A solid pin has less give and has more resistance to shearing than a roll pin. Less vibration, less movement between the separate pieces means less wear.

Related questions

Description : Topics for doing a research paper?

Last Answer : Start by leaving one space after each sentence. Don’t use textspeak, please, Do some research first and give us some of your ideas. It’s your paper, remember. You get the grade and not us. (“Please help, guys.”)

Description : Because uranium 235 isn't found naturally in large quantities, engineers increase its concentration in nuclear fuel so that a chain reaction is more likely to occur. What is the name of this process?

Last Answer : Enrichment

Description : Simplest way of deadlock recovery is (A) Roll back (B) Preempt resource (C) Lock one of the processes (D) Kill one of the processes

Last Answer : (D) Kill one of the processes

Description : What tool should be used to drive a roll pin from an aluminum component?

Last Answer : Feel Free to Answer

Description : If shaft diameter is 30mm and number of pins emplaced are 6, then the diameter of the pin will be? a) 6.4mm b) 5.6mm c) 6.1mm d) 5.9mm

Last Answer : c) 6.1mm

Description : If Xerxes Trump takes Pennsylvania and Wisconsin (which seems to be a lock) isn’t it a wash, game over he wins?

Last Answer : Start packing your stuff guys who want to move out.. never thought this would happen in wildest imagination.

Description : If the part of the lock that goes into the frame isn't visible when locked, what does it mean?

Last Answer : Sounds like the lock is broken.

Description : Mechanical engineers: how should one think about using an electric motor actuator vs a hydraulic actuator powered by an electric pump?

Last Answer : Too much wear on gears (and they would have to be huge), much more power advantage with hydraulics. Less parts. And more cost effective. And take up less space.

Description : If you reverse both the field and the armature connections to a DC propulsion motor, _____________. A. the direction of motor rotation will change B. the brushes will become overheated C. a magnetic lock will occur in the motor D. the direction of motor rotation will remain the same

Last Answer : Answer: D

Description : A synchronous motor maintains synchronism with the rotating field because _____________. A. field strength varies directly with rotor slip B. DC current applied to the rotor coils causes the rotor ... the flux created by the excitation current D. the stator flux rotates in the opposite direction

Last Answer : Answer: B

Description : In a world so divided by race, religion, political beliefs, etc., who is someone that is universally hated?

Last Answer : Probably me if I had to guess.

Description : Who’s a music artist that is so universally loved, you can’t criticise them out of fear of being attacked?

Last Answer : The Foo Fighters and anything Dave Grohl is involved in.

Description : Is it universally consistent that wherever the Metric system is used, temperature is registered in Celsius, and wherever the Imperial system (feet, inches, miles) is used, the Fahrenheit system is used? Are there any exceptions?

Last Answer : According to Wikipedia , Celsius is used by all countries except the United States, the Bahamas, Belize, the Cayman Islands and Liberia. According to the CIA , At this time, only three countries ... Metric would be Burma. Perhaps related, the CIA is still calling Burma Burma rather than Myanmar.

Description : Why is the quality of toasters so universally poor?

Last Answer : Most of the toasters on the store shelves in the U.S. are made in China. IMO, the best are made in Germany by Braun. If I want good kitchen equipment, I shop at a professional restaurant ... if you don't have a tax number. Even their used equipment is high quality and nearly indestructible. .

Description : Are there smells that are universally pleasant to humans?

Last Answer : Do you ever expect 100 percent of people to agree on anything?

Description : If beauty is in the eye of the beholder, why are some people considered universally beautiful?

Last Answer : answer:Beauty in the eye of the beholder is generally a situation where someone finds something beautiful that is usually not regarded as such. Just because someone considers something beautiful (when ... different opinions. How could we all agree that the same object/person/thing is beautiful?

Description : Why are we humans - seemingly universally - fascinated by theater?

Last Answer : I've not attended many theatrical productions, but I have attended many storytelling festivals. I can think of no other way to touch others in every sense, spiritually, emotionally, and even physically. It's the ... few props. She was awesome, and they loved it. My oldest child at the time was 12.

Description : How is it that it seems that more than a few poor people in America are fat, but poor people elsewhere in the world are universally skinny?

Last Answer : The poor buy food that is crap and offers the least nutrition. It's cheap. But so are rich people cheap. so why don't they cash in on the junk and Make money while eating? Some do but they aren' ... or bad. About as politically correct you all will ever see me here so take that with a grain of salt.

Description : Which books are near-universally read for (non-religious) education purposes? Have you read them?

Last Answer : answer:I either read or was supposed to read all of those. Mockingbird and Catcher bored me to tears so I gave up. Not really into American literature, I guess. Gatsby was OK. Other required reading included The Odyssey, The Canterbury Tales (but not The Decameron, which angered me), and 1984.

Description : What is the most universally inspiring moment in human history?

Last Answer : The Tunisian student who recently burned himself to death in protest and started the Arab Spring.

Description : Should female genital mutilation be universally banned - if possible?

Last Answer : Like with many of these matters, legal banning doesn't imply elimination of practice - there needs to be more money put into education and eradicating certain notions - I know there are organizations made up of ex- ... can't tell her not to do it but when it comes to children, I abhor the practice.

Description : Why did it become almost universally accepted women should have long hair?

Last Answer : Probably became practical thousands of years ago for men to have their hair short whilst hunting/working which was sort of sustained until now-a-days. As for why women not doing the same, no idea. Perhaps ... 't feel the need as it probably would be easier to not cut their hair in ye oldey times.

Description : Which Disney character would you consider the most universally loved?

Last Answer : Ariel from The Little Mermaid. Maybe Nemo

Description : Does nodding your head up and down universally mean "yes"?

Last Answer : answer:“In many cultures, it is most commonly, but not universally, used to indicate agreement, acceptance, or acknowledgment.” http://en.wikipedia.org/wiki/Nod_(gesture)

Description : What things are universally loved?

Last Answer : Oxygen

Description : There is one word in the English language which is universally considered a preventive of harm; change a certain letter in it, and you make it an act of cruelty. What are the words? -Riddles

Last Answer : Prescription—proscription.

Description : (i) Rules of conduct are accepted universally to record business transactions.

Last Answer : Give the word term or phrase which can substitute each of the following statement : (i) ... transactions are only recorded in the books of accounts

Description : Are computer keyboards universally compatible?

Last Answer : Yes most keyboards are universally compatible, although there are a few exceptions that might only work with certain brand computers or operating systems, but it would be stated on the packaging if that is the case.

Description : What dress style is universally flattering on all woman?

Last Answer : An empire style dress is flattering for every body type.

Description : Which one among the following statements regarding the constitutionally guaranteed Right to Education in India is correct? (1) This right covers both child and adult illiteracy and therefore, universally ... children between the ages of 6 to 14 years under the 86th Constitutional Amendment Act

Last Answer : (4) This right has been given to all Indian children between the ages of 6 to 14 years under the 86th Constitutional Amendment Act Explanation: The 86th amendment to the Constitution approved ... notified. It included Article 21(1) in the Indian constitution making education a fundamental right.

Description : Which of the following is universally employed as the low expansion metal in the bimetallic thermometer, which is an iron-nickel alloy containing 36% nickel and has very low co-efficient of expansion (1/20th of ordinary metals) ? (A) Invar (B) Constantan (C) Chromel (D) Alumel

Last Answer : (A) Invar

Description : What is the condition of variables in first-order literals? a) Existentially quantified b) Universally quantified c) Both Existentially & Universally quantified d) None of the mentioned

Last Answer : b) Universally quantified

Description : Pears are a. Universally self compatible b. Universally self incompatible c. Gross compatible d. None

Last Answer : Universally self incompatible

Description : Point out the wrong statement. a) The massive scale of cloud computing systems was enabled by the popularization of the Internet b) Soft computing represents a real paradigm shift in the way in ... with a pay-as-you-go, infinitely scalable, universally available system d) All of the mentioned

Last Answer : Soft computing represents a real paradigm shift in the way in which systems are deployed

Description : Point out the wrong statement. a) The massive scale of cloud computing systems was enabled by the popularization of the Internet b) Soft computing represents a real paradigm shift in the way in ... with a pay-as-you-go, infinitely scalable, universally available system d) All of the mentioned

Last Answer : Soft computing represents a real paradigm shift in the way in which systems are deployed

Description : Which of the following terms has been defined by the American Psychiatric Association as a group of behavioral or psychological symptoms or a pattern that manifests itself in significant distress ... of the unknown. d) Schizophrenia Schizophrenia is a specific disorder characterized by psychosis.

Last Answer : a) Mental disorder The definition was adopted by the American Psychiatric Association in 1994.

Description : A universally mounted gyro has how many degrees of freedom?

Last Answer : Two.

Description : A universally mounted gyro has how many gimbals?

Last Answer : Two.

Description : Which of the following is the most universally accepted and sensitive indicator of the whole population and the socio-economic condition under which they live Options: 1) Disability Rate 2) Infant Mortality Rate 3) Under-5 Proportionate Mortality Rate 4) Life Expectancy

Last Answer : Correct Answer: 2) Infant Mortality Rate

Description : Ethical universalism is defined as A. there being no universal set of ethical standards B. giving preference to one's own ethical values C. A set of universally accepted and valid ethical standards D. what is right is synonymous with what is legal E. moderation in all things

Last Answer : D. what is right is synonymous with what is legal

Description : Which of the following statements about technological forces in international marketing is TRUE? A)Television advertising can be used universally throughout the world. B)Much of the technology used in ... always a viable option. D)Technology is generally not a problem in international marketing.

Last Answer : B)Much of the technology used in industrialised regions of the world may be ill-suited for developing countries.

Description : A scientific truth attempts to identify roles that are universally true. Legal judgment, on The other hand, has a standard of proof in criminal prosecutions of: a. Balance of probabilities b. Beyond a reasonable doubt c. Acquittal d. None of the above

Last Answer : b. Beyond a reasonable doubt

Description : is universally used for windings of electrical machines because it is easily workable without any possibility of fracture. (a) Silver (b) Steel (c) Aluminium (d) Copper

Last Answer : (d) Copper

Description : EDI standards are a. not universally available b. essential for B2B commerce c. not required for B2B commerce d. still being evolved

Last Answer : b. essential for B2B commerce 

Description : Disadvantages of e-Commerce in India are  (i) internet access is not universally available  (ii) Credit card payment security is not yet guaranteed  (iii) Transactions are de-personalized and human contact is missing  (iv) Cyberlaws ... i and ii b. ii and iii c. i, ii, iii d. i, ii, iii, iv

Last Answer : c. i, ii, iii  

Description : In a faceplate-type motor starter, the starting arm is held in the 'OFF' position by a/an _____________. A. cotter pin B. magnet C. electrical circuit D. strong spring

Last Answer : Answer: D

Description : According to U. S. Coast Guard Regulations (46 CFR), the motor controller for a submersible electric motor driven bilge pump should be installed _____________. A. in the shaft alley B. at the submersible bilge pump C. above the uppermost continuous deck D. at the engine room emergency control panel

Last Answer : Answer: C

Description : To protect the rotor of a motor disassembled for maintenance or overhaul, it should be ___________________. A. suspended by wire slings in one corner of the shop B. stowed upright on its shaft C. supported by two 'V' notched wood blocks D. returned to the frame as soon as the bearings are removed

Last Answer : Answer: C

Description : Which of the listed conditions will occur if dirt and grease are allowed to accumulate between the commutator segments of a motor? A. A partial short circuit. B. A dead short circuit. C. Misalignment of the motor shaft. D. Overspeeding of the motor.

Last Answer : Answer: A

Description : The twisting force developed by a motor and applied to a shaft is called _____________. A. magnetism B. electromotive force C. torque D. voltage

Last Answer : Answer: C