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jeka94
2 years ago
15

A production plant has a requirement for a counter that will count 4,000 items before recycling and starting over. How many D fl

ip-flop stages would be required in this counter
Engineering
1 answer:
k0ka [10]2 years ago
6 0

Answer:

12

Explanation:

A n-bit integer represents values from 0 to (2^n)-1 states. For example, if we have 3 bits we can count up to 7 states, that is counting from 0 to 7.

On the other hand, a flip flop stores one bit of data  So, we will need n flip flops to count (2^n) -1 states.

So we have production plant that requires a counter that will count 4,000 items before recycling and starting over.

Therefore (2^n) - 1 =4000. The nearest integer value of n that will give 4000 is 12.

For n = 12 , 2^12 = 4096 and for n =11 2^11 = 2048. 12 is the closest value. Therefore we need 12 D Flip Flop stages to count the required items.

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Four kilograms of carbon monoxide (CO) is contained in a rigid tank with a volume of 1 m3. The tank is fitted with a paddle whee
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Answer:

a) 1 m^3/Kg  

b) 504 kJ

c) 514 kJ

Explanation:

<u>Given  </u>

-The mass of C_o2 = 1 kg  

-The volume of the tank V_tank = 1 m^3  

-The added energy E = 14 W  

-The time of adding energy t = 10 s  

-The increase in specific internal energy Δu = +10 kJ/kg  

-The change in kinetic energy ΔKE = 0 and The change in potential energy  

ΔPE =0  

<u>Required  </u>

(a)Specific volume at the final state v_2

(b)The energy transferred by the work W in kJ.  

(c)The energy transferred by the heat transfer W in kJ and the direction of  

the heat transfer.  

Assumption  

-Quasi-equilibrium process.  

<u>Solution</u>  

(a) The volume and the mass doesn't change then, the specific volume is constant.

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The heat have (+) sign the n it is added to the system.

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