EBK MATERIALS SCIENCE AND ENGINEERING:
9th Edition
ISBN: 9781118357033
Author: Callister
Publisher: VST
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Question
Chapter 4.11, Problem 45QP
(a)
To determine
The mean intercept length in millimeters from Figure 4.15 b using the intercept method:
(b)
To determine
The ASTM grain size number for the material:
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Choose the correct answer to the following questions:
1- What is the total power radiated in Watts for the power density W =
a) 4π²
b) 8m²/3
2- Fresnel zone is also called as
sine
W/m²?
3r²
c) 4π²/3
d) 2π²/3
a) Near Field b) Far Field
c) Electrostatic Field
d) Reactive Field
3- The far-field distance at 900 MHz, if the maximum antenna dimension is 0.75 m is....
a) 3.375 m
b) 3.5m
c) 3.375 cm
d) none
4- The antenna gain is
on input power to antenna and
on power due to ohmic losses.
c) Independent, dependent d)
a) Independent, independent b) Dependent, independent
Dependent, dependent
5- If beam width of the antenna increases, then directivity.
a) Decreases b) Increases c) Remains unchanged d) Depends on type of antenna
I do not understand how to approach this question. I tried to answer it but I kept getting it incorrect.
please solve this and clarify each step. thanks
Chapter 4 Solutions
EBK MATERIALS SCIENCE AND ENGINEERING:
Ch. 4.11 - Prob. 1QPCh. 4.11 - Prob. 2QPCh. 4.11 - Prob. 3QPCh. 4.11 - Prob. 4QPCh. 4.11 - Prob. 5QPCh. 4.11 - Prob. 6QPCh. 4.11 - Prob. 7QPCh. 4.11 - Prob. 8QPCh. 4.11 - Prob. 9QPCh. 4.11 - Prob. 10QP
Ch. 4.11 - Prob. 11QPCh. 4.11 - Prob. 12QPCh. 4.11 - Prob. 13QPCh. 4.11 - Prob. 14QPCh. 4.11 - Prob. 15QPCh. 4.11 - Prob. 16QPCh. 4.11 - Prob. 17QPCh. 4.11 - Prob. 18QPCh. 4.11 - Prob. 19QPCh. 4.11 - Prob. 20QPCh. 4.11 - Prob. 21QPCh. 4.11 - Prob. 22QPCh. 4.11 - Prob. 23QPCh. 4.11 - Prob. 24QPCh. 4.11 - Prob. 25QPCh. 4.11 - Prob. 26QPCh. 4.11 - Prob. 27QPCh. 4.11 - Prob. 28QPCh. 4.11 - Prob. 29QPCh. 4.11 - Prob. 30QPCh. 4.11 - Prob. 31QPCh. 4.11 - Prob. 32QPCh. 4.11 - Prob. 33QPCh. 4.11 - Prob. 34QPCh. 4.11 - Prob. 35QPCh. 4.11 - Prob. 36QPCh. 4.11 - Prob. 37QPCh. 4.11 - Prob. 38QPCh. 4.11 - Prob. 39QPCh. 4.11 - Prob. 40QPCh. 4.11 - Prob. 41QPCh. 4.11 - Prob. 42QPCh. 4.11 - Prob. 43QPCh. 4.11 - Prob. 44QPCh. 4.11 - Prob. 45QPCh. 4.11 - Prob. 46QPCh. 4.11 - Prob. 47QPCh. 4.11 - Prob. 48QPCh. 4.11 - Prob. 49QPCh. 4.11 - Prob. 50QPCh. 4.11 - Prob. 51QPCh. 4.11 - Prob. 1SSPCh. 4.11 - Prob. 2SSPCh. 4.11 - Prob. 3SSPCh. 4.11 - Prob. 4SSPCh. 4.11 - Prob. 1DPCh. 4.11 - Prob. 2DPCh. 4.11 - Prob. 1FEQPCh. 4.11 - Prob. 2FEQPCh. 4.11 - Prob. 3FEQP
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