IXTUQ 1/Select the correct answer.1- In figure (1) what the type of geara- Rack and pinionc- Spur gear2-8- To eliminated interference byThe distance between corresponding profiles of adjacent teeth measured along the base circle is:Backlasha-C-b- Circular pitchd- Base circleBase pitch3- Backlash (TB) is the distance between the space and tooth thickness, as measured along the pitch circle, inactual the backlash should be zero.a- True4- The size of gear is usually specified by .........a- Diameteral pitchC- Base circlea- Using more teeth on the gearUsing shorter teeth9- For checking no interference in the teeth5- The tooth thickness and tooth space measured along thea-base circlec-pitch circle6- The point C & D are inside of point A & B this indicates interferenceb- Falsea-True7- When the gear with large pressure angle, the diameter of the gear isSmallera-b- biggerC- Same diametera- Lap SR2. sind & Lre ≤ R3 .sindc- Lap ≤ R2.cos & Lre ≤ R3.sin pFigure (1)b- hypoid and spire gearshelical and herringbone gearsd-b- Falsea- Tip of the gear tooth and flank pinion.C-Flanks of both gear and pinion.b-d-b- addendum circled- dedendum circleb-d-memPitch circle diameterAll of themLap ≤ R2 .sindb-d- Lap ≤ R2 .cosb-d-Using large pressure angleAll of themmm10- An involute pinion and gears are in mesh. If both have the same size of addendum, then there will be aninterference between the& Lre ≤ R3.cos& Lre ≤ R3 .cosTip of the pinion and flank of gear.Tip of both gear and pinion.

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Q1/ Select the correct answer. 1- In figure (1) what the type of gear Rack and pinion a- c- Spur gear b- d- b- d- wimm Figure (1) hypoid and spire gears helical and herringbone gears 2- The distance between corresponding profiles of adjacent teeth measured along the base circle is: a- Backlash Circular pitch C- Base pitch Base circle 3- Backlash (TB) is the distance between the space and tooth thickness, as measured along the pitch circle, in actual the backlash should be zero. a- True b- False

Q1/ Select the correct answer. 1- In figure (1) what the type of gear Rack and pinion a- c- Spur gear b- d- b- d- wimm Figure (1) hypoid and spire gears helical and herringbone gears 2- The distance between corresponding profiles of adjacent teeth measured along the base circle is: a- Backlash Circular pitch C- Base pitch Base circle 3- Backlash (TB) is the distance between the space and tooth thickness, as measured along the pitch circle, in actual the backlash should be zero. a- True b- False

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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Second question please
Input shaft of the gear train shown below rotates at 1,500 RPM. The output shaft must rotate exactly at 100 RPM. Minimum number of teeth can not be less than 20 and the maximum number of teeth can not be more than 150. The speed of gear B must be exactly 500 RPM. What is the train value and its sign (negative or positive) ? Note: Your answer should be in the following format: TV= -123 or TV=+123 Input pinion A N= 20 teeth W = 1,500 rpm A B
solve both, first one solve for total gear ratio not velocity and second one use table but please use relative velocity instead of x/y and show all setps/solution
Q2/ Two mating involute spur gears of 20* pressure angle have a gear ratio of 2. The number of teeth on the pinion is 20 and its speed is 250 r.p.m. The module pitch of teeth is 10 mm. If the addendum on cach wheel is such that the path of approach and the path of recess on cach side are half the maximum possible length each, find: i) the addendum for pinion and gear wheel, ii) the length of arc of contact, iii)the maximum velocity of sliding during approach and recess. Assume pinion to be driver.
Compute the position and orientation of the tool point P from the given D-H table for the displacement variable e1-90° e2-90° and e3=90⁰ a1= 100 mm, a2= 100mm and a3 = 50mm Note: find the position and orientation using step by step procedure Figure 3 3-DOF (Industrial manipulator arm) Joint 0 d 1 01 0 2 02 3 03 0 0 Present the roll, pitch, yaw and displacement in x, y and z axis. use the composite transformation matrix [ce; -se,Cα; se; SÔ i-¹T₁ = 0 0 Sα₁ 0 CÔ Ca; co,ca; a a1 a2 az s0;Sα; se a | -90 0 0 Cα₁ 0 a;C0₁] –CĐ Sa, : aS0; a¡SO; d; 1
day in Sign In to LinkedIn Registration M Gmail 6 fourier transform tr..A Government Jobs 2. Mechanical Engineering Number of teeth are indicated for the following gear train. Driver gear 2 has speed 1200 rpm in CW direction. Find the speed of gear 5. 10T 30T 16T 32T (a) 200 грm CСW.. (b) 200 rpm CW. (c) 300 rpm CW (d) 300 rpm CCVW. PREVIOUS QUESTION 2. 3.
1. The figure below is a spur gear train drive and gear 2 is the inlet of the gear train. It transfers 12 kw of power at 1200 rpm. Gear 3 and 4 have 60 and 20 teeth respectively and are made with 20° pressure and full-depth teeth. The desired speed for the output shaft is 32 rpm. a. Find the minimum number tooth on gear 2 to obtain 32 rpm at the output and confirm its validation for interference-free power transfer. b. Find the speed ratio at each gear set using the results obtained at "a"(above). c. Determine the rotational speed of each gear (n2, n3, n4, and ns) using the results obtained at "a"(above). d. Find the torque of each shaft (Tin, Te, Tout) assuming that there is no frictional loss during the power transfer. e. Determine the radial, tangential and total forces transmitted at the last gear set assuming a module as m=4 mm, and draw the free body diagram of gear 4 showing the forces and torques. 75 100 2007 In Out
1. The figure below is a spur gear train drive and gear 2 is the inlet of the gear train. It transfers 12 kw of power at 1200 rpm. Gear 3 and 4 have 60 and 20 teeth respectively and are made with 20° pressure and full-depth teeth. The desired speed for the output shaft is 32 rpm. a. Find the minimum number tooth on gear 2 to obtain 32 rpm at the output and confirm its validation for interference-free power transfer. b. Find the speed ratio at each gear set using the results obtained at "a"(above). c. Determine the rotational speed of each gear (n2, n3, n4, and n5) using the results obtained at "a"(above). d. Find the torque of each shaft (Tin, Te, Tout) assuming that there is no frictional loss during the power transfer. e. Determine the radial, tangential and total forces transmitted at the last gear set assuming a module as m=4 mm, and draw the free body diagram of gear 4 showing the forces and torques. 75, 100 2007 In Out 4
Question 2 PLATE TYPE FORMAT HAND DRAWN & HAND WRITTEN A gear train is to be devised using all external gears on parallel shafts. Use no more than 150 teeth in any gear and 20° full depth involute teeth. The input speed is 30.5433 rad/min and the output is 4.24697 E-2 radis to 4.36333 E-2 rad/s. Ensure there is no interference and sketch the layout your design.
all parts please
5
Using the data below, calculate the following for all gear settings and list the results in a table form: The speed ratio of the MM245 Automotive gearbox. The input and output torque. The input and output power. The efficiency of the gear system. Gears Input Speed (rpm) Output Speed (rpm) Input Torque (N.m) Output Torque (N.m) 1 316 95 3.66 3.05 2 313 165 4.14 3.49 3 304 233 5.36 4.03 4 284 286 7.36 4.53 5 262 314 8.77 4.86 The moments of inertia of the parts attached to the input shaft A is 0.019 kgm2 and that of the parts attached to output shaft B is 0.1 kgm2. If input shaft A exerts a constant torque of 7.27 Nm and is geared to output shaft B, calculate the following: The gear ratio gives the maximum angular acceleration of output shaft B. The corresponding angular acceleration of each shaft.