5. The bulk modulus of compression........... (a) is independent of temperature of pressure and viscosity (b) increases with the pressure (c) is independent (d) has a dimensionless unit 6. If a non-uniform solid body weighs 500 N in air and when it is completely submerged in water its weighs is 300 N. If it has a volume of 0.0136 m³ then its specific gravity is...... (c) 2.5 (d) 3.0 (e) none of these (a) 1.5 (6) 1.7 7. A flat plate of area 1.5 m² is pulled with a speed of 0.4 m/s relative to another plate with a distance of 0.15 mm clearance between them. For a fluid viscosity of 0.1 Pa.s, the power required to maintain this speed is (a) 160 W (b) 100 W (c) 200 W (d) 400 W 8. A solid wooden cylinder (SG=0.6) has diameter of 0.8 m and a height of 3 m, when the then the submerged height of the cylinder

5. The bulk modulus of compression........... (a) is independent of temperature of pressure and viscosity (b) increases with the pressure (c) is independent (d) has a dimensionless unit 6. If a non-uniform solid body weighs 500 N in air and when it is completely submerged in water its weighs is 300 N. If it has a volume of 0.0136 m³ then its specific gravity is...... (c) 2.5 (d) 3.0 (e) none of these (a) 1.5 (6) 1.7 7. A flat plate of area 1.5 m² is pulled with a speed of 0.4 m/s relative to another plate with a distance of 0.15 mm clearance between them. For a fluid viscosity of 0.1 Pa.s, the power required to maintain this speed is (a) 160 W (b) 100 W (c) 200 W (d) 400 W 8. A solid wooden cylinder (SG=0.6) has diameter of 0.8 m and a height of 3 m, when the then the submerged height of the cylinder

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter5: Analysis Of Convection Heat Transfer

Section: Chapter Questions

Problem 5.5P: Evaluate the dimensionless groups hcD/k,UD/, and cp/k for water, n-butyl alcohol, mercury, hydrogen,...

See similar textbooks

Similar questions

Show the details of your solutions with dimension analysis! 3. An empty long neck bottle with an upper cylinder diameter of 1 inch, withthe length of 4 inches and lower cylinder measures 4 inches in diameterand length of 5 inches is vertically immersed in a body of water. How deepwill you submerged the bottle from the mouth opening in order to occupythe whole bottle neck with water.
Q1 Determine the minimum size of glass tubing that can be used to measure water level, if the capillary rise in the tube is not to exceed 0.3 mm. Take surface tension of water in contact with air as 0.0735 N/m. A U-tube is made up of two capillaries of bores 1.2 m and 2.4 mm respectively. Q2) The tube is held vertical and partially filled liquid of surface tension 0.06 N/m and zero contact angle. If the estimated difference in the level of two menisci is 15 mm, determine the density the liquid. Q10) In measuring the unit energy of a mineral oil (specific gravity = 0.85) by the bubble method, a tube having an internal diameter of 1.5 mm is immersed to depth of 12.5 mm in oil. Air is forced through the tube forming a bubble at the lower end. What magnitude of the unit surface energy will be indicated by a maximum bubble pressure intensity of 150 N/m.
1. What is the value of the surface tension of a small droplet of water 0.4mm in diameter which is in contact with air if the pressure within the droplet is 565 Pa? 2. An atmospheric pressure of 116 KPa will be supported by how much height of mercury?
A hydrometer fl oats at a level that is a measure of thespecifi c gravity of the liquid. The stem is of constant diameterD , and a weight in the bottom stabilizes the body tofl oat vertically, as shown in Fig. . If the positionh = 0 is pure water (SG = 1.0), derive a formula for h as afunction of total weight W , D , SG, and the specifi c weightγ 0 of water.
Show the details of your solutions with dimension analysis!1. A sphere 6 ft in diameter, contains oxygen at 300 psi a and 80 o F.How manydrums 6 inch in diameter and 2 ft long, can be filled to a pressure of 50 psi aand 65 o F? If the drums are initially with pressure of 20 psi a , Assume thatthe temperature of the oxygen left in the sphere remains at 80 o F.2. While the pressure remains constant @ 689.5 KPa, the volume of asystem of air changes from 0.567m 3 to 0.283m 3 . Find the change ofinternal energy.
A 25 m high vertical column of a fluid of density 1800 kg/m³ exists in a place where g = 9.6 m/s2 What is the pressure at the base of the column in psi?
The liquid column height of a barometer is h = 733.74 mm, and the specific weight of the liquid is γ = 13.30 kN/m3. Calculate the atmospheric pressure, Patm____kPa
6.At sea level a mercury barometer reads 750 mm and at thesame time on the top of the mountain another mercury barometer reads 745 mm. If the specific weight is uniform at 12 N/m3, determine the height of the mountain. Fluid Mechanics
What is the standard sea level density (p) in slugs/ft^3?
If the PO2 is 100 mm Hg at one barometric pressure (760 mm Hg), what is the approximate PO2 if the pressure is increased to 1,520 mm Hg in a hyperbaric chamber?
A U-tube differential manometer is connected to two pipes at A and B. Pipe A Contains oil of density 1400 Kg/m3 and pipe B is carrying fluid of density 850 Kg/m3. If the pressure at point A is 195 kN/m2. Find the pressure at point B for the following data h1=11 cm, h2=7.5 cm and h3=23.5 cm. The specific gravity of mercury is13.6?
When a clean glass tube with a diameter of 2 mm is immersed in water at 20 ° C, how many mm will the capillary rise occur in the glass tube? For water at 20 ° C, surface tension is given as 0.073 N / m, density 1000 kg / m3, contact angle 0 ° C and gravitational acceleration 10 m / s2.