2 years ago

Engineers will redesign their products when they find flaws. TRUE O False

Engineering

1 answer:

nataly862011 [7]2 years ago

6 0

Answer:

true

Explanation:

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What is the uppermost part of the tree referred to as?

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canopy I believe it is called

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Safety measures to be taken during technical drawing<br>

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A 10-mm-diameter Brinell hardness indenter produced an indentation 1.55 mm in diameter in a steel alloy when a load of 500 kg wa

BigorU [14]

Answer:

HB = 3.22

Explanation:

The formula to calculate the Brinell Hardness is given as follows:

$HB = \frac{2P}{\pi D\sqrt{D^{2}- d^{2} } }$

where,

HB = Brinell Hardness = ?

P = Applied Load in kg = 500 kg

D = Diameter of Indenter in mm = 10 mm

d = Diameter of the indentation in mm = 1.55 mm

Therefore, using these values, we get:

$HB = \frac{(2)(500)}{\pi (10)\sqrt{10^{2}- 1.55^{2} } }$

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2 years ago

Convert 580,000 kW to [GW] with correct number of significant digits.

Minchanka [31]

Answer:

$x = 0.58\,GW$

Explanation:

The conversion is:

$x = (580000\,kW)\cdot \left(\frac{1\,GW}{1000000\,kW} \right)$

$x = 0.58\,GW$

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2 years ago

Calculate the change of entropy of 2 kg of air when its temperature increases from 400 K to 500 K at constant pressure equal to

harkovskaia [24]

Answer:

0.45516

Explanation:

ENTROPY : Entropy is a measure of molecular disorder it is denoted by S. Entropy is also measured in terms of thermal energy and temperature it is equal to thermal energy per unit temperature.

from the table S₁=1.99194 KJ/kg.k (at 400k)

from the table S₂=2.21952 KJ/kg.k (at 500k)

so total entropy change is given by =m (S₂-S₁)

=2(2.21952-1.99194)

=0.45516

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2 years ago

Engineers will redesign their products when they find flaws. TRUE O False​

Engineers will redesign their products when they find flaws. TRUE O False