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3 years ago

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First step in solving frames in to solve support reactions when looking at the frame as a whole. a)- True b)-False

1 answer:

drek231 [11]3 years ago

7 0

Answer:

Yes, it is true that for solving question related to frame we need to find out support reaction in the beginning.

Explanation:

Yes, it is true that for solving question-related to frame we need to find out support reaction in the beginning. The need for support reaction in the starting is just to help in finding out the moment at the desired location.

A support reaction is response force or forces related to system support. the support reaction in any rigid frame can be obtained from the free body diagram of every individual member of the given frame.

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3 years ago

It is given that 50 kg/sec of air at 288.2k is iesntropically compressed from 1 to 12 atm. Assuming a calorically perfect gas, d

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Data;

Mass = 50kg/s
T = 288.2K
P1 = 1atm
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<h3>Exit Temperature </h3>

The exit temperature of the gas can be calculated isentropically as

$\frac{T_2}{T_1} = (\frac{P_2}{P_1})^\frac{y-1}{y}\\ y = 1.4\\ C_p= 1.005 Kj/kg.K\\$

Let's substitute the values into the formula

$\frac{T_2}{T_1} = (\frac{P_2}{P_1})^\frac{y-1}{y} \\\frac{T_2}{288.2} = (\frac{12}{1})^\frac{1.4-1}{1.4} \\ T_2 = 586.18K$

The exit temperature is 586.18K

<h3>The Compressor input power</h3>

The compressor input power is calculated as

$P= mC_p(T_2-T_1)\\P = 50*1.005*(586.18-288.2)\\P= 14973.53kW$

The compressor input power is 14973.53kW

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