QUESTION 5 PLS 4. The worm gear rotating at 1250 rpm drives a worm wheel and whose velocityratio is 12 to 1. A driving motor with 12 hp is used to supply the worm with wormpitch gear diameter of 3.5 in. Find the tangential force on the gear.5. A driving gear at 20,000 rpm is used to drive a reduction gear delivering 2kW at2,000 rpm. The gears are 20° involute herringbone gears of 10-pitch and 2.5 ineffective width. The pinion has 50 teeth with a helix angle of 25°. Determine theload normal to the tooth surface.6. A pair of bevel gear, 5-pitch, 14.5 °, involute have 3:1 reduction. The pitchdiameter of the driver is 13 inches and face width of 3 in. Determine the face angleof pinion and gear. (Angle between shafts is 78 degrees angle)7. A 3/8 inch flat belt is 12 inches wide and is used on 24 inches diameter pulleyrotating at 600 rpm. The specific weight of belt is 0.035 lb/in3. The angle of contactis 150 °. If coefficient of friction is 0.3 and stress is 300 psi, how much power can itdeliver?8. A cross belt connected pulleys has 10 cm diameter and 30 cm diameter. If centerdistance is 50 cm, determine the length of cut if belt is connected open.

5. Given Data The power is: P=2 kW=2000 W The speed is: N=20000 rpm The pressure angle is: 20° The…

5. A driving gear at 20,000 rpm is used to drive a reduction gear delivering 2kW at 2,000 rpm. The gears are 20° involute herringbone gears of 10-pitch and 2.5 in effective width. The pinion has 50 teeth with a helix angle of 25°. Determine the load normal to the tooth surface.

5. A driving gear at 20,000 rpm is used to drive a reduction gear delivering 2kW at 2,000 rpm. The gears are 20° involute herringbone gears of 10-pitch and 2.5 in effective width. The pinion has 50 teeth with a helix angle of 25°. Determine the load normal to the tooth surface.

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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Concept explainers

Slope and Deflection

The slope in a deflected beam is described as an angle in radians made by the tangent of the section with the original axis of the beam. The deflection at any point on the axis of the beam is defined as the lateral displacement of the point before and after loading.

Question

QUESTION 5 PLS

4. The worm gear rotating at 1250 rpm drives a worm wheel and whose velocity
ratio is 12 to 1. A driving motor with 12 hp is used to supply the worm with worm
pitch gear diameter of 3.5 in. Find the tangential force on the gear.
5. A driving gear at 20,000 rpm is used to drive a reduction gear delivering 2kW at
2,000 rpm. The gears are 20° involute herringbone gears of 10-pitch and 2.5 in
effective width. The pinion has 50 teeth with a helix angle of 25°. Determine the
load normal to the tooth surface.
6. A pair of bevel gear, 5-pitch, 14.5 °, involute have 3:1 reduction. The pitch
diameter of the driver is 13 inches and face width of 3 in. Determine the face angle
of pinion and gear. (Angle between shafts is 78 degrees angle)
7. A 3/8 inch flat belt is 12 inches wide and is used on 24 inches diameter pulley
rotating at 600 rpm. The specific weight of belt is 0.035 lb/in3. The angle of contact
is 150 °. If coefficient of friction is 0.3 and stress is 300 psi, how much power can it
deliver?
8. A cross belt connected pulleys has 10 cm diameter and 30 cm diameter. If center
distance is 50 cm, determine the length of cut if belt is connected open.

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