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lilavasa [31]
3 years ago
5

1 A power transmission includes a belt drive, a chain drive and a gear drive. Which of the following is the best arrangement bet

ween a motor and a working machine? (a) belt drive gear drive chain drive (b) chain drive gear drive belt drive (c) belt drive chain drive gear drive (d) chain drive belt drive gear drive
Engineering
1 answer:
Setler79 [48]3 years ago
3 0

Answer:d

Explanation:

(d) chain drive belt drive gear drive

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(a) what is Linear equation (b) Why Laplace's equation is linear
Triss [41]

Answer:

 A) Linear Equation -

      Linear equation has only one independent variable and when the linear equation plotted on a graph it forms a straight line. It is made up of two expressions equal to each other in a equation. Linear equation graph fits the Y= mx+a ( m=slope).

B) Laplace's equation is linear as it is a second order partial differential equation. So if we put dependent variable in differential equation it always show result in linear.

7 0
3 years ago
A block of copper (SL model) is subjected to a change of state. The process is isentropic (that is, entropy does not change. Whi
Fantom [35]

To develop this problem it is necessary to apply the definitions of entropy change within the bodies

The change of entropy in copper would be defined as

\Delta S= \frac{\delta Q}{T}

Where,

Q= Heat exchange

T = Temperature

For an incompressible substance, the change in the heat exchange is defined as

\Delta Q =mcdT

Where,

m = Mass

c = Specific heat

Replacing in our equation we have that

\Delta S = \frac{mcdT}{T}

\Delta S = mc ln \frac{T_f}{T_i}

Since  \Delta S = 0, then

mcln\frac{T_f}{T_i} = 0

T_f = T_i

In this way for the change of enthalpy and internal energy you have to

\Delta U = \Delta h = mc\Delta T = mc(T_f-T_i)

As Tf_= T_i, then

\Delta U = 0, \Delta H = 0

Therefore the correct option is A. No change at All

5 0
3 years ago
A hard real-time system has been developed to for a fly-by-wire aviation system. It has sensors for the following pilot interfac
Jlenok [28]

Answer:

Answer for the question:

A hard real-time system has been developed to for a fly-by-wire aviation system. It has sensors for the following pilot interface systems: System Sampling Frequency (Hz) CPU time required (ms) Yoke 20 5 Rudder pedals 15 2 Throttle 10 1 Overhead of the hard real-time system on the architecture selected for the plane is .21. Can these tasks be scheduled? Show your work. Regardless of whether or not the tasks are schedulable ,  what should a designer do if they are not.

is given below.

Explanation:

Yea. Scheduling of these tasks can be done  in below order:

  1. Throttle
  2. Rudder pedals.
  3. Yoke.

4 0
2 years ago
1- The preexponential and activation energy for the diffusion of iron in cobalt are 1.1×10-5 m 2 /s and 253,300 J/mol, respectiv
n200080 [17]

The temperature at which the diffusion coefficient have a value of 2.1×10-5 m 2 /s is  -47078 K.

Using the relation;

logD = logDo - Ea/2.303RT

D = diffusion coefficient

Do =  preexponential

Ea = activation energy

R = gas constant

T = temperature

Substituting values;

log(2.1×10-5)= log (1.1×10-5 ) - 253,300/2.303 × 8.314 × T

log(2.1×10-5) -  log (1.1×10-5 ) =  - 253,300/2.303 × 8.314 × T

log[2.1×10-5/1.1×10-5] = - 253,300/2.303 × 8.314 × T

0.281 × (2.303 × 8.314 × T) = - 253,300

T =  - 253,300/2.303 × 0.281 × 8.314

T = -47078 K

Learn more: brainly.com/question/14283892

4 0
2 years ago
1 point
irinina [24]
You put the right answer that was the right answer
7 0
3 years ago
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