Engineering College

Hi all any one help me?? ​

Hi All Any One Help Me??

Answers

Answer 1

Answer:

Explanation:

sorry i dont know

Answer 2
I just want ur points

Related Questions

Dim the room lights. Neutralize the plate and put it back on the charged Styrofoam plate. With the tape up, touch the free wire from the bulb while watching the electrodes inside the casing.The light produced may be weak so you may have to shadow the bulb to see the flash. Lift the plate, check that the tape rises again and touch the free bulb wire while observing the bulb. Without charging the Styrofoam, repeat placing the pie pan on and then off the Styrofoam plate, each time touching the free wire while observing which electrode lights. For each case, state whether the light emanates for the electrode connected to the free wire or from the electrode attached to the rim. Based on the results of the previous step, explain how your results are consistent (or inconsistent with the sign of the charge on the rim as determined in steps 4-6 of the instructions, assuming the Styrofoam plate becomes positively charged when rubbed with paper towels.

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**Can someone please help me solve these problems step by step, thank you!


1. If a 12-inch diameter driving Gear A has 100 tooth which turns CCW with a torque of 200 ft-lb and 100 rpm is meshed with Gear B, 25 tooth, turn along with Gear C, 50 tooth as they are a compound gear and Gear D, 150 tooth meshed with C.

-->sketch and annotate the gear train.

-->what direction does gear ratio B, C, and D turn?

-->what is the gear ratio for B, C, and D?

-->what is the angular velocity for gears B, C, and D?

-->what is the torque for gears B, C, and D?

-->what is the diameter of gears B, C, and D?


2. In a pulley system, pulley A is moving 1000 rpm and has a diameter of 18inches. There are two pulleys with different sizes, B moving ot 1575 rpm and C moving at 1850 rpm attached on a single axle.

-->sketch and annote the pulley system.

-->what is the diameter of pulley B and pulley C?

Answers

Answer:

The answer is "[tex]\bold{11.428 \ in \ \ and \ \ 9.729 \ in}[/tex]".

Explanation:

The second question solution can be defined as follows:

[tex]N_A= 1000 \ rpm\\\\N_B=1575 \ rpm\\\\N_C=1850 \ rpm\\\\D_A= 18 \ in \\\\[/tex]

In point 1:

Calculating the value of the linear velocity is the same:

[tex]\to V_A=V_B\\\\\to \pi D_A N_A=\pi D_BN_B\\\\\to D_B= \frac{D_A \times N_A}{N_B}[/tex]

          [tex]=\frac{18 \times 1000}{1575}\\\\=11.428 \ in \ \ \text{Diameter of pulley B}[/tex]    

In point 2:

[tex]\to V_A=V_C\\\\\to \pi D_A N_A=\pi D_C N_C\\\\\to D_C=\frac{D_A \times N_A}{N_C}\\\\[/tex]

          [tex]=\frac{1000 \times 18}{1850}\\\\=9.729 \ in \ \ \text{Diameter of pulley B}[/tex]

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