### Determine the specific volume of the rock

Assignment Help Mechanical Engineering
##### Reference no: EM13708186

A rock weighs 90.8 N in air and 45 N when completely submerged in water. Determine the specific volume of the rock in m3/kg

### Previous Q& A

#### A turbine extracts energy from water flowing through

A turbine extracts energy from water flowing through a 11-cm-diameter pipe at a pressure of 700 kPa with an average velocity of 11 m/s. If the turbine is 90 percent efficient, how much energy can be produced if the water is emitted from the turbine t..

#### Determine the temperature of the air and the initial volume

1750g of air performs an expansion work of 3100kJ on the surrounding as it expands isothermally to a pressure of 63000kPa ad a volume of 0.065 cubic meters. Determine the temperature of the air and the initial volume.

#### Undergoes a reversible adiabatic process

In a polytropic process, a fluid is compressed to 2.75 times its initial pressure, whereas its temperature becomes1.65 times. What is the fluids index of expansion, n? 1.2kg of Air at a pressure of 2.15MPa and a temperature of 585K, undergoes a rever..

#### Determine the mass of the air-initial temperature of the air

Air exerts a pressure of 900KPa within a 0.45 cubic meter container of fixed volume. It is cooled such that the pressure falls to 3.25bar. The temperature of the air is then measured and was found to be 285C. Determine the mass of the air, the initia..

#### Determine power developed by the turbine

Air enters a gas turbine with a velocity of 165m/s and a specific enthalphy of 2800KJ/kg and leaves with a velocity of 135m/s and specific enthalpy of 2175KJ/kg. The heat lost to the surrounding turbine is 32.5KJ/kg. Determine power developed by the ..

#### Fundamentals of fluid mechanics

Liquid water in a pumped flow system experiences varying pressures as it circulates through the system. One concern in designing any such system is to ensure that cavitation does not occur. If the water temperature during operation of a particular sy..

#### Water is in a closed rigid container with a volume

Five kg of water is in a closed rigid container with a volume of 0.3935 m3 and a pressure of 5.0 MPa. Draw and label the states and process on a P-v diagram and determine the amount of heat removed and work done when the pressure is reduced to 1.5 MP..

#### Device undergoes a constant temperature process

Water as a saturated vapor at 600 Â°F is contained in a piston-cylinder device that has an initial volume of 30 ft3. The device undergoes a constant temperature process, until the water reaches the saturated liquid condition. Draw and label the state..

#### Nitrogen in a piston-cylinder assembly

Nitrogen in a piston-cylinder assembly undergoes a polytropic expansion process. Initially, nitrogen is at 125 C and 144 kPa. Then it is expanded to a state of 102 kPa and 90 C. determine the heat transfer and work for the process considering no chan..

#### Calculate the area of the hole in the tube

A slow leak develops in an inner tube (volume, 0.5 ft3, temperature, 600F), wherein it takes 4 hours for the pressure to decrease from 30 to 25 psig. The mass flow rate of air per second under the conditions is given by 0.68pA/(RT)0.5, where the unit..

### Similar Q& A

#### The standing wave at the pier nose is observed to be 25 cm

flow around a brindge pier is studied using a modeal at 110 scake. when the velocity in the model is 0.9 ms the

#### Determine the normal and shear stress in directions

a steel pipe of 12-in. outer diameter is fabricated from 14in. thick plate by welding along a helix which forms an

#### Air enters the heating section at 100 kpa and 17 c with a

the electric heating systems used in many houses consist of a simple duct with electrical resistance wires. air is

#### The system is then heated while the pressure is held

consider a piston-cylinder system containing 0.1 kg of water. initially the volume of the system is 0.0125 m3 while the

#### Module fea - finite element analysis

Module FEA - FINITE ELEMENT ANALYSIS ,  Provide answers to all questions. Note that assignment part 2 carries 60% of the marks for the course.

#### Determine the principal stresses on an element from the

a thin-walled closed end cylindrical pressure vessel for jet fighter lubricant with spherical end caps is internally

#### Consider a compressor operating at steady state how would

consider a compressor operating at steady state. how would you compare the volume flow rate of the air at the inlet and

#### A particle traveled in a straight line in such a way

A particle traveled in a straight line in such a way that its distance (S) from a given point on that line after time (t) was S= 20t^3 -t^4 The rate of change of acceleration at time t=2 is what value?

#### At the exit the pressure is 01 bar the quality is 09 90 and

a steam turbine operates at steady state with a steam mass flow rate of 4600 kgh producing a power output of 1000 kw.

#### A fixed quantity of air at t1 57oc and p1 222 kpa is

a fixed quantity of air at t1 57oc and p1 222 kpa is heated at constant temperature in a piston-cylinder assembly

#### If 49 of the inlet flow exits through the first exit pipe

the city of mcallen has a water filtration system that consists of a large rigid tank with a single 0.32 m diameter

#### Determine the velocity ratios that can be achieved

Determine the velocity ratios that can be achieved by the gear box in terms of number of teeth in the sun wheel  and determine which component (out of the sun wheel, planet carrier and annular wheel) has to be used as the input shaft to get the req.. 