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3 years ago

List four reasons why we need aceuracy in machined parts.

Engineering

1 answer:

olya-2409 [2.1K]3 years ago

4 0

Answer:

If your equipment is well maintained, it's less likely to breakdown, which leads to increased uptime, more working hours for the equipment, fewer repair costs, and therefore increased revenue.

Explanation:

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Energy is generated uniformly in a 6 cm thick wall. The steady-state temperature distribution

mezya [45]

Answer:

Heat generation per unit volume is 45 KW.

Explanation:

Given that

Thickness of wall = 6 cm

Temperature distribution

$T(z)=145+3000z-1500z^2$ -----1

K= 15 W/m.k

As we know that at steady state condition

$\dfrac{d^2T}{dz^2}+\dfrac{q}{K}=0$ -----2

Where q is the heat generation per unit volume.

So from equation 1

$\dfrac{dT}{dz}=3000-3000z$

$\dfrac{d^2T}{dz^2}=-3000$

Now from equation 2

$\dfrac{d^2T}{dz^2}+\dfrac{q}{K}=0$

$-3000+\dfrac{q}{15}=0$

So q= 45 KW

So heat generation per unit volume is 45 KW.

6 0

3 years ago

What is Euler's equation?

igomit [66]

Answer:

$e^{ix} = cosx + i sinx$

Explanation:

In mathematics, Euler's formula is an equation in complex analysis, that gives a relationship between an exponential factor and the trigonometric functions.

The Euler equation is:

$e^{ix} = cosx + i sinx$

Here,

e - base of the natural logarithm

i - imaginary unit

x - argument given in radians

sin , cos - trigonometric functions sine and cosine respectively.

4 0

3 years ago

What does a peak flow meter allow you to assess?

Alex Ar [27]

Answer:

peak flow and any engineering considerations related thereto

Explanation:

It should be no surprise that a peak flow meter will report peak flow, sometimes with important maximum-value, time-constant, or bandwidth limitations. There are many engineering issues related to flow rates. A peak flow meter can allow you to assess those issues with respect to the flows actually encountered.

Peak flow can allow you to assess adequacy of flow and whether there may be blockages or impediments to flow that reduce peak levels below expected values. An appropriate peak flow meter can help you assess the length of time that peak flow can be maintained, and whether that delivers sufficient volume.

It can also allow you to assess whether appropriate accommodation is made for unexpectedly high flow rates. (Are buffers or overflow tanks of sufficient size? Is there adequate protection against possible erosion? Is there adequate support where flow changes direction?)

3 0

4 years ago

2. In the above figure, what type of cylinder arrangement is shown in the figure above?

Oduvanchick [21]

Answer:

C. Horizontal

Explanation:

The type of cylinder arrangement that is shown in the figure is "Horizontal"

The arrangement is actually horizontal which is known to be horizontally opposed engine. Such engine is known as flat engine. It's a piston engine that has the cylinders located on either side of a crankshaft. It is usually located at the central crankshaft. This type of engine has performance advantage over others.

5 0

3 years ago

The substance called olivine may have any composition between Mg2SiO4 and Fe2SiO4, i.e. the Mg atoms can be replaced by Fe atoms

Ipatiy [6.2K]

Answer:

The answer is "0.147 nm and 99.63 mol %"

Explanation:

In point (a):

$\to nk1 = 062$