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3 years ago

Explain "unsupported assertions" and how these can land a particular side in trouble if they are made during a debate.

1 answer:

5 0

The word "unsupported" implies that the argument being made lacks the necessary information to back it up. Therefore, "unsupported assertions" are claims that are made during a conversation or a debate, but which are made without enough evidence to back them up.

Making unsupported assertions during a debate can lead to trouble for the participants. When such a claim is made, it is stated as a fact. However, for the other team to accept it as such, it is necessary to show that there is enough evidence to support it. Being unable to provide this evidence not only renders the argument useless, but can damage the opinion that the audience has of the team that put forward the claim.

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R-134a vapor enters into a turbine at 250 psia and 175°F. The temperature of R-134a is reduced to 20°F in this turbine while its

attashe74 [19]

Answer:

Δ enthalpy = -23 Btu/Ibm

Explanation:

Given data:

Pressure ( P1 ) = 250 psi

Initial Temperature ( T1 ) = 175°F

Final temperature ( T2 ) = 20°F

<u>Calculate the change in the enthalpy of R-134a </u>

From R-134 table

h1 = 129.85 Btu/Ibm

s1 = 0.23281 Btu/Ibm.R

note : entropy is constant

hence ; s1 = s2

by interpolation ; h2 = 106.95

Δ enthalpy = h2 - h1

= ( 106.95 - 129.85 ) = -23 Btu/Ibm

5 0

3 years ago

it creates parts from thin plastic sheets as opposed to plastic pellets. is it 1. Pickling 2. Thermoforming 3. Extrusion

iVinArrow [24]

Answer:

thermoforming

Explanation:

please mark this answer as the brainlest

4 0

3 years ago

Read 2 more answers

What is the purpose of a gusset or gusset plate used in the construction and repair of aircraft structures?

spin [16.1K]

Answer:

To join and reinforce intersecting structural members

Explanation:

The purpose of a gusset or gusset plate used in the construction and repair of aircraft structures is to join and reinforce intersecting structural members

5 0

2 years ago

When a circuit has a supermesh, you write two equations: the supermesh constraint equation and the supermesh KVL equation. You h

givi [52]

Explanation:

Note: Refer the diagram attached

Apply KVL around $i_{z}$ loop

$\begin{aligned}&5 k \left(i_{z}-i_{y}\right)+2 v_{\Delta}=0\\&5000\left(i_{z}-i_{y}\right)+2 v_{\Delta}=0 \quad \ldots \ldots(1)\end{aligned}$

$From the circuit, $v_{\Delta}$ can be expressed using ohm's law as,\\$v_{\Delta}=(1 k ) i_{y}$$v_{\Delta}=1000 i_{y}$$

3 0

4 years ago

Water is to be boiled at sea level in a 30-cm-diameter stainless steel pan placed on top of a 3-kW electric burner. If 60 percen

hichkok12 [17]

Answer:

mevaporation=˙Qhfg=1. 8 kJ /s2269. 6 kJ /kg=0 . 793×10−3kg/ s=2. 855 kg /h

Explanation:

The properties of water at 1 atm and thus at the saturation temperature of 100C are hfg =2256.4 kJ/kg (Table A-4). The net rate of heat transfer to the water is ˙Q=0 . 60×3 kW=1 . 8 kWNoting that it takes 2256.4 kJ of energy to vaporize 1 kg of saturated liquid water, therate of evaporation of water is determined to be mevaporation=˙Qhfg=1. 8 kJ /s2269. 6 kJ /kg=0 . 793×10−3kg/ s=2. 855 kg /h

3 0

3 years ago