Question

1. which material typically has the highest specific heat capacity? *

mark only one oval.
steel
aluminum
copper
water

1. if a substance has a density of 62.4 lbm/ft³, what is its specific volume? *

mark only one oval.
0.032 ft³/lbm
0.016 ft³/lbm
62.4 ft³/lbm
124.8 ft³/lbm

1. the relationship between density (ρ) and specific volume (v) is *

mark only one oval.
ρ = 2v
ρ = 1/v
ρ = v
ρ = v²

Explanation:

Question 9

Specific heat capacity is the amount of heat required to raise the temperature of a unit mass of a substance by one degree. Water has a relatively high specific heat capacity compared to metals like steel, aluminum, and copper. This is because of the hydrogen - bonding in water molecules which requires more energy to break and increase the temperature.

Question 10

Step1: Recall the formula for specific volume

The formula for specific volume \(v\) is \(v=\frac{1}{
ho}\), where \(
ho\) is the density.

Step2: Substitute the given density value

Given \(
ho = 62.4\space lbm/ft^{3}\), then \(v=\frac{1}{62.4}\space ft^{3}/lbm\approx0.016\space ft^{3}/lbm\)

Question 11

By definition, specific volume \(v\) is the reciprocal of density \(
ho\). Mathematically, \(
ho=\frac{1}{v}\)

Answer:

1. Water
2. \(0.016\space ft^{3}/lbm\)
3. \(

ho = 1/v\)