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which type ot gears have point contact between two mating gears? olect the coect answer * Helical gears • Both a. andb. he contact ratio of gears is always b- Spiral gears d- None of the above + more than one • less than one sase of involute gear teeth the pressure angle is maximum at the engagement of teeth • minimum at the engagement of teeth b- one d- zero b- same at all points of contact d- zero at the pitch point

which type ot gears have point contact between two mating gears? olect the coect answer * Helical gears • Both a. andb. he contact ratio of gears is always b- Spiral gears d- None of the above + more than one • less than one sase of involute gear teeth the pressure angle is maximum at the engagement of teeth • minimum at the engagement of teeth b- one d- zero b- same at all points of contact d- zero at the pitch point

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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The contact ratio of gears is always whieh type of gears have point contact between two mating gears? Select the corect answer of Helical gears Both a. and b. b- Spiral gears d- None of the above + more than one • less than one sase of involute gear teeth the pressure angle is A maximum at the engagement of teeth • minimum at the engagement of teeth The type of gears used to connect two non parallel and non intersecting shafts is - + Spur gear • Bevel gear Which gear is used for connecting two coplanar and intersecting shafts? a Spur gear - Bevel gear * The path of contact in involute tooth profile is a - a parabola e straight line Interference occurs in case of ----- a- cycloid profile teeth e in both of them A single body can be balanced only by another body of - b- one d- zero b- same at all points of contact d- zero at the pitch point b- Helical gear d- Spiral gear b- Helical gear d- None of the above b- circle d- curve b- involute profile teeth d- none of them b- smaller mass a same mass d- any one of them e bigger mass In case of rotating masses, the magnitude of the balancing mass is ---------- when the speed of the shaft is doubled. doubled e unaffected b- halved a- d- quadrupled B- Cite the measuring instruments used to test and inspect the gear accuracy?
Transcribed Image Text:The contact ratio of gears is always whieh type of gears have point contact between two mating gears? Select the corect answer of Helical gears Both a. and b. b- Spiral gears d- None of the above + more than one • less than one sase of involute gear teeth the pressure angle is A maximum at the engagement of teeth • minimum at the engagement of teeth The type of gears used to connect two non parallel and non intersecting shafts is - + Spur gear • Bevel gear Which gear is used for connecting two coplanar and intersecting shafts? a Spur gear - Bevel gear * The path of contact in involute tooth profile is a - a parabola e straight line Interference occurs in case of ----- a- cycloid profile teeth e in both of them A single body can be balanced only by another body of - b- one d- zero b- same at all points of contact d- zero at the pitch point b- Helical gear d- Spiral gear b- Helical gear d- None of the above b- circle d- curve b- involute profile teeth d- none of them b- smaller mass a same mass d- any one of them e bigger mass In case of rotating masses, the magnitude of the balancing mass is ---------- when the speed of the shaft is doubled. doubled e unaffected b- halved a- d- quadrupled B- Cite the measuring instruments used to test and inspect the gear accuracy?
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