Holooly Plus Logo
Holooly Plus Logo

Question 2.SP.1: The specific weight of water at ordinary pressure and temper......

The specific weight of water at ordinary pressure and temperature is 62.4 \mathrm{lb} / \mathrm{ft}^3 . The specific gravity of mercury is 13.56. Compute the density of water and the specific weight and density of mercury.

Step-by-Step
The 'Blue Check Mark' means that this solution was answered by an expert.
Learn more on how do we answer questions.
Report Answer
\begin{array}{rlr}\rho_{\text {water }} & =\frac{\gamma_{\text {water }}}{g}=\frac{62.4 \mathrm{lb} / \mathrm{ft}^3}{32.2 \mathrm{ft} / \mathrm{sec}^2}=1.938 \mathrm{slugs} / \mathrm{ft}^3  \\\\\gamma_{\text {mercury }} & =s_{\text {mercury }} \gamma_{\text {water }}=13.56(62.4)=846 \mathrm{lb} / \mathrm{ft}^3  \\\\\rho_{\text {mercury }} & =s_{\text {mercury }} \rho_{\text {water }}=13.56(1.938)=26.3 \mathrm{slugs} / \mathrm{ft}^3 \end{array}  

Related Answered Questions

Question: 2.SP.4

A vessel contains 85 L of water at 10°C and atmospheric pressure. If the water is heated to 70°C, what will be the percentage change in its volume? What weight of water must be removed to maintain the volume at its original value? Use Appendix A  ...

Verified Answer:

Volume,              \sout{V} _{10}=85 \mat...
Question: 2.SP.3

At a depth of 8 km in the ocean the pressure is 81.8 MPa. Assume that the specific weight of seawater at the surface is 10.05kN/m³ and that the average volume modulus is 22.34×10 ^9 N/m² for that pressure range. (a) What will be the change in specific volume between that at the (c) What will be ...

Verified Answer:

(a) Eq. (2.2): \quad v_{1}=1 / p_{1}=g / \g...
Question: 2.SP.5

If an artificial atmosphere consists of 20% oxygen and 80% nitrogen by-volume, at 14.7 psia and 60°F, what are (a) the specific weight and partial pressure of the oxygen and (b) the specific weight of the mixture? ...

Verified Answer:

Table A.5: R \text { (oxygen })=1554 \math...
Question: 2.SP.6

(a) Calculate the density, specific weight, and specific volume of oxygen at 100°F and 15 psia (pounds per square inch absolute; see Sec. 2.7). (b) What would be the temperature and pressure of this gas if we compressed it isentropically to 40% of its original volume? (c) If the process described ...

Verified Answer:

Table A.5 for oxygen \left(\mathrm{O}_{2}\r...
Question: 2.SP.10

Water at 10°C stands in a clean glass tube of 2−mm diameter at a height of 35 mm . What is the true static height? ...

Verified Answer:

Table A.1 at 10^{\circ} \mathrm{C}: \quad \...
Question: 2.SP.11

At approximately what temperature will water boil if the elevation is  10,000 ft  ? ...

Verified Answer:

From Appendix A, Table A.3, the pressure of the st...
Question: 2.SP.9

In Fig. S2.9 oil of absolute viscosityμ fills the small gap of thicknessY. (a) Neglecting fluid stress exerted on the circular underside, obtain an expression for the torqueT required to rotate the truncated cone at constant speedω. (b) What is the rate of heat generation, in joules per second, if ...

Verified Answer:

(a) U=\omega r ; \quad  for small g...
Question: 2.SP.8

A 1-in-wide space between two horizontal plane surfaces is filled with SAE 30 Western lubricating oil at 80°F . What force is required to drag a very thin plate of 24−ft² area through the oil at a velocity of 20ft/min if the plate is 0.33 in from one surface? ...

Verified Answer:

Fig. A.1: \quad \mu=0.0063 \mathrm{lb} \cdo...
Question: 2.SP.7

Calculate the density, specific weight, and specific volume of chlorine gas at 25°C and pressure of 600kN/m² abs (kilonewtons per square meter absolute; see Sec. 2.7). Given the molar mass of chlorine (Cl2)=71. ...

Verified Answer:

Sec. 2.7 : R=\frac{R_0}{M}=\...
Question: 2.SP.2

The specific weight of water at ordinary pressure and temperature is 39.81kN/m³ . The specific gravity of mercury is13.56. Compute the density of water and the specific weight and density of mercury. ...

Verified Answer:

\begin{aligned}\rho_{\text {water }} &...