Problem 1.1P: Separate the list P,F,V,,T,a,m,L,t, and V into intensive properties, extensive properties, and... Problem 1.2P: A tray of liquid water is placed in a freezer where it cools from 20 to 5C . Show the energy flow(s)... Problem 1.3P: The overall density of fibers, rock wool insulation, foams, and cotton is fairly low. Why? Problem 1.4P: Is density a unique measure of mass distribution in a volume? Does it vary? 1f so on what kind of... Problem 1.5P: Water in nature exists in three different phases: solid, liquid, and vapor (gas). Indicate the... Problem 1.6P: What is the approximate mass of 1 L of gasoline? Of helium in a balloon at T0,P0 ? Problem 1.7P: Can you carry 1m3 of liquid water? Problem 1.8P: A heavy refrigerator has four height-adjustable feet. What feature of the feet will ensure that they... Problem 1.9P: A swimming pool has an evenly distributed pressure at the bottom. Consider a stiff steel plate lying... Problem 1.10P: If something floats in water, what does it say about its density? Problem 1.11P: Two divers swim at a depth of 20 m. One of them swims directly under a supertanker; the other avoids... Problem 1.12P: An operating room has a positive gage pressure, whereas an engine test cell has a vacuum; why is... Problem 1.13P: A water skier does not sink too far down in the water if the speed is high enough. What makes that... Problem 1.14P: What is the lowest temperature in degrees Celsius? In degrees Kelvin? Problem 1.15P: How cold can it be on Earth and in empty space? Problem 1.16P: A thermometer that indicates the temperature with a liquid column has a bulb with a larger volume of... Problem 1.17P: How can you illustrate the binding energy between the three atoms in water as they sit in a... Problem 1.18P: One kilopond (1 kp) is the weight of 1 kg in the standard gravitational field. What is the weight of... Problem 1.19P: A stainless steel storage tank contains 5kg of carbon dioxide gas and 7kg of argon gas. How many... Problem 1.20P: A steel cylinder of mass 4kg contains 4L of water at 25C at 100kpa . Find the total mass and volume... Problem 1.21P: The Rover Explorer has a mass of 185Kg , how much does this weigh on the Moon (g=gstd/6) and on Mars... Problem 1.22P: A 1700kg car moving at 80km/h is decelerated at a constant rate of 4m/s2 to a speed of 20km/h . What... Problem 1.23P: The elevator in a hotel has a mass of 750kg , and it carries six people with a total mass of 450kg .... Problem 1.24P: One of the people in the previous problem weighs 80kg standing still. How much weight does this... Problem 1.25P: A 1m3 container is filled with 400kg of granite stone, 200kg of dry sand, and 0.2m3 of liquid 25C... Problem 1.26P: A power plant that separates carbon dioxide from the exhaust gases compresses it to a density of... Problem 1.27P: A 5m3 container is filled with 900kg of granite (density of 2400kg/m3 ). The rest of the volume is... Problem 1.28P: A 5000kg elephant has a cross-sectional area of 0.02m2 on each foot. Assuming an even distribution,... Problem 1.29P: A valve in the cylinder shown in Fig. P1.29 has a cross-sectional area of 11cm2 with a pressure of... Problem 1.30P: The piston cylinder in Fig. P1.29 has a diameter of 10cm , inside pressure 735kPa . What is the... Problem 1.31P: A hydraulic lift has a maximum fluid pressure of 500kPa , That should the piston cylinder diameter... Problem 1.32P: Ahydraulic cylinder has a 125mm diameter piston with an ambient pressure of 1 bar. Assuming standard... Problem 1.33P: A 75kg human total footprint is 0.05m2 when the human is wearing boots. Suppose that you want to... Problem 1.34P: A piston/cylinder with a cross-sectional area of 0.01m2 has a piston mass of 65kg plus a force of... Problem 1.35P: A 2.5m -tall steel cylinder has a cross-sectional area of 1.5m2 . At the bottom, with a height of... Problem 1.36P: An underwater buoy is anchored at the seabed with a cable, and it contain a total mass of 250kg .... Problem 1.37P: A floating oil rig is anchored in the seabed with cables giving a net pull of 10000kN down. How... Problem 1.38P: At the beach, atmospheric pressure is 1025 mbar. You dive 15m down in the ocean, and you later climb... Problem 1.39P: A steel tank of cross-sectional area 3m2 and height 16m weighs l0000kg and is open at the top, as... Problem 1.40P: A piston mp=5kg , is fitted in a cylinder. A=15cm2 , that contains a gas, The setup is in a... Problem 1.41P: A container ship is 240m long and 22m wide. Assume that the shape is like a rectangular box. How... Problem 1.42P: A probe is lowered 16m into a lake. Find the absolute pressure there. Problem 1.43P: A person, 75kg , wants to fly (hoover) on a 2kg skateboard of size 0.6m by 0.25m . How large a gauge... Problem 1.44P: The density of atmospheric air is about 1.15kg/m3 , which we assume is constant. How Large an... Problem 1.45P: A barometer to measure absolute pressure shows a mercury column height of 735mm . The temperature is... Problem 1.46P: A differential pressure gauge mounted on a vessel shows 1.25MPa , and a local barometer gives... Problem 1.47P: What pressure difference a 100-m column of atmospheric air show? Problem 1.48P: A barometer measures 760mmHg at street level and 745mmHg on top of a building. How tall is the... Problem 1.49P: An exploration submarine should be able to descend 1200m down in the ocean. If the ocean density is... Problem 1.50P: The absolute pressure in a tank is 115kPa and the local ambient absolute pressure is 102kPa . If a... Problem 1.51P: An absolute pressure gauge attached to a steel cylinder shows 135kPa . We want to attach a manometer... Problem 1.52P: A pipe flowing light oil has a manometer attached, as shown in Fig, P1.52. What is the absolute... Problem 1.53P: The difference in height between the columns of a manometer is 200mm , with a fluid of density... Problem 1.54P: A piece of experimental apparatus. Fig. P1.54. is located where g=9.5m/s2 and the temperature is 5C... Problem 1.55P: A 0.2m3 piece of softwood is lifted upto the top shelf in a storage bin that is 4m above the ground... Problem 1.56P: A car of mass 1775kg travels with a velocity of 100km/h . Find the kinetic energy. How high should... Problem 1.57P: What is temperature of 5C in degrees Kelvin? Problem 1.58P: A mercury thermometer measures temperature by measuring the volume expansion of a fixed mass of... Problem 1.59P: The density of liquid water is =1008T/2(kg/m3) with T in C . If the temperature increases 10C , how... Problem 1.60P: Repeat Problem 1.54 if the flow inside the apparatus is liquid water (=1000kg/m3) instead of air.... Problem 1.61P: Adam retains a lake 6m deep, as shown in Fig, P 1.61. To construct a gate in the dam, we need to... Problem 1.62P: In the city water tower, water is pumped up to a level of 25m above ground in a pressurized tank... Problem 1.63P: The main waterline into a tall building has a pressure of 600kpa at 5m elevation below ground level.... Problem 1.64EP: A mass of 2lbm has an acceleration of 5ft/s2 . What is the needed force in lbf? Problem 1.65EP: How much mass is in 1 gal of gasoline? In helium in a balloon at atmospheric P and T? Problem 1.66EP: Can you easily carry a 16m bar of solid gold? Problem 1.67EP: What is the temperature of 5F in degrees Rankine? Problem 1.68EP: What is the lowest possible temperature in degrees Fahrenheit? In degrees Rankine? Problem 1.69EP: What is the relative magnitude of degree Rankine to degree Kelvine? Problem 1.70EP: The Rover Explorer has a mass of 410Ibm , how much does this “weigh” on the Moon (g=gstd/6) and on... Problem 1.71EP: A 2500Ibm car moving at 25mi/h is accelerated at a constant rate of 15ft/s2 up to a speed of 50mi/h... Problem 1.72EP: An escalator brines four people with a total mass of 600Ibm and a 1000Ibm cage up with an... Problem 1.73EP: A car of mass 4000Ibm travels with a velocity of 60mi/h . Find the kinetic energy. How high should... Problem 1.74EP: A power plant that separates carbon dioxide from the exhaust gases compresses it to a density of... Problem 1.75EP: The piston cylinder in Fig. P1.29 has a diameter of 4 in., inside pressure 100psia . What forcemust... Problem 1.76EP: A laboratory room keeps a vacuum of oil 1in. of water due to the exhaust fan. What is the net force... Problem 1.77EP: A person, 175Ibm , wants to fly (hoover) on a 4lbm skateboard of size 2ft by 0.8ft . How large a... Problem 1.78EP: A floating oil rig is anchored in the seabed with cables giving a net pull of 2250000lbf down. How... Problem 1.79EP: A container ship is 790ft long and 72ft wide. Assume the shape is like a rectangular box. How much... Problem 1.80EP: A manometer shows a pressure difference of 3.5in. of liquid mercury Find P in psi. Problem 1.81EP: What pressure difference does a 300-ft column of atmospheric air show? Problem 1.82EP: A piston cylinder with a cross-sectional area of 0.1ft2 has a piston mass of 100 lbm and a force of... Problem 1.83EP: The main waterline into a tall building has a pressure of 90 psia at 16 ft elevation below ground... Problem 1.84EP: A piston, mp=10lbm , is fitted in a cylinder, A=2.5in2 , that contains a gas. The setup is in a... Problem 1.85EP: The human comfort zone is between 18 and 24C . What is the range in Fahrenheit? format_list_bulleted