Answer:
Explanation:
Given:
Tooth Number, N = 24
Diametral pitch pd = 12
pitch diameter, d = N/pd = 24/12 = 2in
circular pitch, pc = π/pd = 3.142/12 = 0.2618in
Addendum, a = 1/pd = 1/12 =0.08333in
Dedendum, b = 1.25/pd = 0.10417in
Tooth thickness, t = 0.5pc = 0,5 * 0.2618 = 0.1309in
Clearance, c = 0.25/pd = 0.25/12 = 0.02083in
Answer:
Q = 424523.22 kw
Explanation:
![\rho =7833 kg/m](https://tex.z-dn.net/?f=%5Crho%20%3D7833%20kg%2Fm)
k = 48.9 W/m - K
c = 0.115 KJ/kg- K
![\alpha = 3.91*10^{-6} m^2/s](https://tex.z-dn.net/?f=%5Calpha%20%3D%203.91%2A10%5E%7B-6%7D%20m%5E2%2Fs)
![T_s = 285 degree celcius](https://tex.z-dn.net/?f=T_s%20%3D%20285%20degree%20celcius)
T_∞ = 35 degree celcius
velocity of air stream = 15 m/s
D = 40 cm
L = 200 cm
mass flow rate
![\dot m = 14764.85 kg/s](https://tex.z-dn.net/?f=%5Cdot%20m%20%3D%2014764.85%20kg%2Fs)
![A_s = \pi DL = \pi 0.4*2 = 2.513 m^2](https://tex.z-dn.net/?f=A_s%20%3D%20%5Cpi%20DL%20%3D%20%5Cpi%200.4%2A2%20%3D%202.513%20m%5E2)
![Q = \dot m C \Delta T = h A_s \Delta T](https://tex.z-dn.net/?f=Q%20%3D%20%5Cdot%20m%20C%20%5CDelta%20T%20%3D%20h%20A_s%20%5CDelta%20T)
![\dot m C \Delta T = h A_s \Delta T](https://tex.z-dn.net/?f=%5Cdot%20m%20C%20%5CDelta%20T%20%3D%20h%20A_s%20%5CDelta%20T)
solving for h
![h = \frac{14764.85*0.115*(285-35)}{2.513*(285-35)}](https://tex.z-dn.net/?f=h%20%3D%20%5Cfrac%7B14764.85%2A0.115%2A%28285-35%29%7D%7B2.513%2A%28285-35%29%7D)
h = 675.6 kw/m^2K
![Q = h A_s\Delta T](https://tex.z-dn.net/?f=Q%20%3D%20h%20A_s%5CDelta%20T)
Q = 675.6*2.513*(285-35)
Q = 424523.22 kw
The answer is A. Immediately inform her colleague
This question is about Circle Geometry. it evaluates connected and broken lines with respect to circles.
<h3>What is Circle Geometry?</h3>
This refers to the body of knowledge in mathematics that has to do with the various problems associated with the Circle.
In real-world scenarios, circle geometry is used in technologies involving:
- Camera lenses
- Circular Architectural structures
- Steering Wheels
- Buttons etc.
Learn more about Circle Geometry at:
brainly.com/question/24375372
Answer:
The average adult brain is about 15 cm and weighs from 1300 to 1400 grams. So around 3 pounds
So not yet, im not an adult yet