In an 9,000 KW hydro-electric plant the over-all efficiency is 88% and the actual power received...
Luna's ME Review Materials
In an 9,000 KW hydro-electric plant the over-all efficiency is 88% and the actual power received...
3:27
A Pelton type turbine was installed 30 m below the gate of the penstock. The headloss due to fric...
Luna's ME Review Materials
A Pelton type turbine was installed 30 m below the gate of the penstock. The headloss due to fric...
6:04
A hydro electric plant having 30 sq. km reservoir area and 100 m head is used to generate po...
Luna's ME Review Materials
A hydro electric plant having 30 sq. km reservoir area and 100 m head is used to generate po...
6:59
A Pelton type turbine has 25 m head friction loss of 4.5 m. The coefficient of friction head loss...
Luna's ME Review Materials
A Pelton type turbine has 25 m head friction loss of 4.5 m. The coefficient of friction head loss...
5:10
A turbine has a mechanical efficiency of 93%, volumetric efficiency of 95% and total efficiency o...
Luna's ME Review Materials
A turbine has a mechanical efficiency of 93%, volumetric efficiency of 95% and total efficiency o...
2:40
The compression ratio of an ideal dual cycle is 14. Air is at 100 kPa and 300 K at the beginning...
Luna's ME Review Materials
The compression ratio of an ideal dual cycle is 14. Air is at 100 kPa and 300 K at the beginning...
17:04
A rigid tank is divided into two equal parts by a partition. One part of the tank contains 2.5 kg...
Luna's ME Review Materials
A rigid tank is divided into two equal parts by a partition. One part of the tank contains 2.5 kg...
8:54
In Francis turbine, the pressure gage leading to the turbine casing reads 380 Kpa. The velocity...
Luna's ME Review Materials
In Francis turbine, the pressure gage leading to the turbine casing reads 380 Kpa. The velocity...
4:23
The specific speed of turbine is 85 rpm and running at 450 rpm. If the head is 20 m and generator...
Luna's ME Review Materials
The specific speed of turbine is 85 rpm and running at 450 rpm. If the head is 20 m and generator...
3:21
In a gas turbine unit, air enters the combustion chamber at 550 kpa, 277°C and 43 m/s. The produc...
Luna's ME Review Materials
In a gas turbine unit, air enters the combustion chamber at 550 kpa, 277°C and 43 m/s. The produc...
6:38
A diesel electric plant supplies energy for Meralco. During a 24-hour period, the plant consumed...
Luna's ME Review Materials
A diesel electric plant supplies energy for Meralco. During a 24-hour period, the plant consumed...
6:06
A waste heat recovery boiler produces 4.8 Mpa (dry saturated) steam from 104°C feed-water. The...
Luna's ME Review Materials
A waste heat recovery boiler produces 4.8 Mpa (dry saturated) steam from 104°C feed-water. The...
5:08
A 305 mm x 457 mm four stroke single acting diesel engine is rated at 150 KW at 260 rpm. Fuel...
Luna's ME Review Materials
A 305 mm x 457 mm four stroke single acting diesel engine is rated at 150 KW at 260 rpm. Fuel...
3:26
The indicated thermal efficiency of a two stroke diesel engine is 60%. If friction power is 15%...
Luna's ME Review Materials
The indicated thermal efficiency of a two stroke diesel engine is 60%. If friction power is 15%...
2:37
An engine-generator rated 9000 KVA at 80% power factor, 3 phase, 4160 V has an efficiency of 90%...
Luna's ME Review Materials
An engine-generator rated 9000 KVA at 80% power factor, 3 phase, 4160 V has an efficiency of 90%...
2:36
A liquid dominated geothermal plant with a single flash separator receives water at 204°C...
Luna's ME Review Materials
A liquid dominated geothermal plant with a single flash separator receives water at 204°C...
10:28
A 16,000 kW geothermal plant has a generator and turbine efficiency of 90% and 80% respectively...
Luna's ME Review Materials
A 16,000 kW geothermal plant has a generator and turbine efficiency of 90% and 80% respectively...
5:26
A steam turbine with 80% stage efficiency receives steam at 7 MPa and 550°C and exhausts at 20 kP...
Luna's ME Review Materials
A steam turbine with 80% stage efficiency receives steam at 7 MPa and 550°C and exhausts at 20 kP...
6:40
A steam turbine with 85% stage efficiency receives steam at 7 MPa and 550°C and exhausts at 20...
Luna's ME Review Materials
A steam turbine with 85% stage efficiency receives steam at 7 MPa and 550°C and exhausts at 20...
6:22
A steam turbine receives 5,000 kg/hr. of steam at 5 MPa and 400°C and velocity of 30 m/s. It leav...
Luna's ME Review Materials
A steam turbine receives 5,000 kg/hr. of steam at 5 MPa and 400°C and velocity of 30 m/s. It leav...
5:01
A 350 mm x 450 mm steam engine running at 280 rpm has a clearance steam condition of 2 MPa and...
Luna's ME Review Materials
A 350 mm x 450 mm steam engine running at 280 rpm has a clearance steam condition of 2 MPa and...
7:45
A heat exchanger was installed purposely to cool 0.50 kg of gas per second. Molecular weight is 3...
Luna's ME Review Materials
A heat exchanger was installed purposely to cool 0.50 kg of gas per second. Molecular weight is 3...
9:29
Steam expands adiabatically in a turbine from 2000 kPa, 400°C to 400 kPa, 250°C. What is the ef...
Luna's ME Review Materials
Steam expands adiabatically in a turbine from 2000 kPa, 400°C to 400 kPa, 250°C. What is the ef...
3:52
A steam condenser receives 10 kg/s of steam with an enthalpy of 2770 kJ/kg. Steam condenses and...
Luna's ME Review Materials
A steam condenser receives 10 kg/s of steam with an enthalpy of 2770 kJ/kg. Steam condenses and...
4:52
In an open feedwater heater for a steam plant, saturated steam at 7 bar is mixed with subcooled...
Luna's ME Review Materials
In an open feedwater heater for a steam plant, saturated steam at 7 bar is mixed with subcooled...
5:22
A superheat steam Rankine cycle has turbine inlet conditions of 17.5 MPa and 530°C expands in a...
Luna's ME Review Materials
A superheat steam Rankine cycle has turbine inlet conditions of 17.5 MPa and 530°C expands in a...
4:33
A thermal power plant generates 5 MW and the heat generated by fuel is 13,000 kJ/s. If the...
Luna's ME Review Materials
A thermal power plant generates 5 MW and the heat generated by fuel is 13,000 kJ/s. If the...
2:24
In a Rankine cycle steam enters the turbine at 2.5 MPa (enthalpies & entropies given) and condens...
Luna's ME Review Materials
In a Rankine cycle steam enters the turbine at 2.5 MPa (enthalpies & entropies given) and condens...
9:04
23.5 kg of steam per second at 5 MPa and 400°C is produced by a steam generator. The feedwater en...
Luna's ME Review Materials
23.5 kg of steam per second at 5 MPa and 400°C is produced by a steam generator. The feedwater en...
5:28
The following coal has the following ultimate analysis by weight: C = 70.5% H2 = 4.5% O2...
Luna's ME Review Materials
The following coal has the following ultimate analysis by weight: C = 70.5% H2 = 4.5% O2...
9:58
A volumetric analysis of a gas mixture is as follows: CO2: 12% O2: 4% N2: 80% CO: 4% What...
Luna's ME Review Materials
A volumetric analysis of a gas mixture is as follows: CO2: 12% O2: 4% N2: 80% CO: 4% What...
3:56
The dry exhaust gas from the oil engine has the following gravimetric analysis: CO2 = 21.6% ...
Luna's ME Review Materials
The dry exhaust gas from the oil engine has the following gravimetric analysis: CO2 = 21.6% ...
4:39
A logging firm in Isabella operates a Diesel Electric Plant to supply its electric energy require...
Luna's ME Review Materials
A logging firm in Isabella operates a Diesel Electric Plant to supply its electric energy require...
6:18
A cylindrical tank 4 m long and 3 m diameter is used for oil storage. How many days can the tank...
Luna's ME Review Materials
A cylindrical tank 4 m long and 3 m diameter is used for oil storage. How many days can the tank...
4:18
A diesel engine consumed 945 liters of fuel per day at 35°C. If the fuel was purchased at 15.6°C...
Luna's ME Review Materials
A diesel engine consumed 945 liters of fuel per day at 35°C. If the fuel was purchased at 15.6°C...
6:23
A certain coal has the following ultimate analysis: C = 69% N2 = 5% H = 2.5% S =7% Deter...
Luna's ME Review Materials
A certain coal has the following ultimate analysis: C = 69% N2 = 5% H = 2.5% S =7% Deter...
4:07
Atmospheric pressure boils at 212°F. At the vacuum pressure at 24 in Hg, the temperature is 142°F...
Luna's ME Review Materials
Atmospheric pressure boils at 212°F. At the vacuum pressure at 24 in Hg, the temperature is 142°F...
5:02
A throttling calorimeter is connected to a desuperheated steam line supplying steam to the auxili...
Luna's ME Review Materials
A throttling calorimeter is connected to a desuperheated steam line supplying steam to the auxili...
3:13
Steam leaves an industrial boiler at 827.4 kPa and 171.6°C. A portion of the steam is passed thro...
Luna's ME Review Materials
Steam leaves an industrial boiler at 827.4 kPa and 171.6°C. A portion of the steam is passed thro...
3:10
[B] Water substance at 70 bar and 65°C enters a boiler tube of constant inside diameter of 35 mm...
Luna's ME Review Materials
[B] Water substance at 70 bar and 65°C enters a boiler tube of constant inside diameter of 35 mm...
6:29
[A] Water substance at 70 bar and 65°C enters a boiler tube of constant inside diameter of 25 mm...
Luna's ME Review Materials
[A] Water substance at 70 bar and 65°C enters a boiler tube of constant inside diameter of 25 mm...
4:58
A tank contains exactly one kilogram of water consisting of liquid and vapor in equilibrium at 1...
Luna's ME Review Materials
A tank contains exactly one kilogram of water consisting of liquid and vapor in equilibrium at 1...
8:22
A mixture with 70% quality at 500 kPa is heated isothermally until its pressure is 300 kPa. Find...
Luna's ME Review Materials
A mixture with 70% quality at 500 kPa is heated isothermally until its pressure is 300 kPa. Find...
5:17
At 1.3 MPa, a mixture of steam and water has an entropy of 3 kJ/kg-K, Find the enthalpy of the mi...
Luna's ME Review Materials
At 1.3 MPa, a mixture of steam and water has an entropy of 3 kJ/kg-K, Find the enthalpy of the mi...
3:56
Steam at 2 MPa and 250°C in a rigid cylinder is cooled until the quality is 30%. Find the heat re...
Luna's ME Review Materials
Steam at 2 MPa and 250°C in a rigid cylinder is cooled until the quality is 30%. Find the heat re...
4:16
Luna's ME Review Materials Live Stream
Luna's ME Review Materials
Luna's ME Review Materials Live Stream
Determine the air-standard efficiency of an engine operating on the diesel cycle with a clearance...
Luna's ME Review Materials
Determine the air-standard efficiency of an engine operating on the diesel cycle with a clearance...
6:05
An air standard engine has a compression ratio of 18 and a cut-off ratio of 4. If the intake air...
Luna's ME Review Materials
An air standard engine has a compression ratio of 18 and a cut-off ratio of 4. If the intake air...
9:43
A refrigeration plant is rated at 15 tons capacity. How many pounds of air per hour will it cool...
Luna's ME Review Materials
A refrigeration plant is rated at 15 tons capacity. How many pounds of air per hour will it cool...
4:04
A large mining company was provided with a 3 m3 of compressed air tank. Air pressure in the tank...
Luna's ME Review Materials
A large mining company was provided with a 3 m3 of compressed air tank. Air pressure in the tank...
4:17
A tank contains 90 ft3 of air at a pressure of 350 psig; if the air is cooled until its pressure...
Luna's ME Review Materials
A tank contains 90 ft3 of air at a pressure of 350 psig; if the air is cooled until its pressure...
7:57
Ammonia weighing 22 kg is confined inside a cylinder equipped with a piston and has an initial pr...
Luna's ME Review Materials
Ammonia weighing 22 kg is confined inside a cylinder equipped with a piston and has an initial pr...
5:38
A perfect gas has a value of R = 58.8 ft-lb/lb.-°R and k = 1.26. If 20 Btu are added to 10 lbs...
Luna's ME Review Materials
A perfect gas has a value of R = 58.8 ft-lb/lb.-°R and k = 1.26. If 20 Btu are added to 10 lbs...
5:02
A certain gas at 101.325 kPa and 10°C whose volume is 2.83 m3 are compressed into a storage vessel..
Luna's ME Review Materials
A certain gas at 101.325 kPa and 10°C whose volume is 2.83 m3 are compressed into a storage vessel..
7:21
An ideal gas at 0.80 atmospheres and 87°C occupies 0.450 liter. How many moles are in the sample?
Luna's ME Review Materials
An ideal gas at 0.80 atmospheres and 87°C occupies 0.450 liter. How many moles are in the sample?
2:35
The lower half of a 10 m high cylindrical container is filled with water and the upper half with...
Luna's ME Review Materials
The lower half of a 10 m high cylindrical container is filled with water and the upper half with...
4:47
The barometer of a mountain hiker reads 930 mbars at the beginning of a hiking trip and 780 mbars...
Luna's ME Review Materials
The barometer of a mountain hiker reads 930 mbars at the beginning of a hiking trip and 780 mbars...
3:30
Determine the atmospheric pressure at a location where barometric reading is 740 mm Hg and gravit...
Luna's ME Review Materials
Determine the atmospheric pressure at a location where barometric reading is 740 mm Hg and gravit...
2:47
Carnot cycle A, B and C are connected in series so that the heat rejected from A will be the heat...
Luna's ME Review Materials
Carnot cycle A, B and C are connected in series so that the heat rejected from A will be the heat...
6:02
A dual cycle has an initial temperature of 30°C. The compression ratio is 6 and the heat addition...
Luna's ME Review Materials
A dual cycle has an initial temperature of 30°C. The compression ratio is 6 and the heat addition...
5:33
A diesel cycle has a cut off ratio of 2.5 and expansion ratio of 4. Find the clearance of the cycle.
Luna's ME Review Materials
A diesel cycle has a cut off ratio of 2.5 and expansion ratio of 4. Find the clearance of the cycle.
1:44
An Otto cycle has a compression ratio of 8. Find the pressure during compression.
Luna's ME Review Materials
An Otto cycle has a compression ratio of 8. Find the pressure during compression.
2:28
If the energy efficiency ratio of the refrigeration system is 12.6, what is the COP of the system?
Luna's ME Review Materials
If the energy efficiency ratio of the refrigeration system is 12.6, what is the COP of the system?
1:56
A 200 mm x 250 mm, 8-cylinder, 4-stroke diesel engine has a brake power of 150 kW. The mechanical...
Luna's ME Review Materials
A 200 mm x 250 mm, 8-cylinder, 4-stroke diesel engine has a brake power of 150 kW. The mechanical...
2:27
A 23 ton refrigeration system has a heat rejected of 100 kW. Find the energy efficiency ratio of...
Luna's ME Review Materials
A 23 ton refrigeration system has a heat rejected of 100 kW. Find the energy efficiency ratio of...
3:32
A refrigeration system consumed 28,800 kW-hr per month of energy. There is 20% of energy lost due...
Luna's ME Review Materials
A refrigeration system consumed 28,800 kW-hr per month of energy. There is 20% of energy lost due...
4:25
An air compressor consumed 1200 kW-hr per day of energy. The electric motor driving the compresso...
Luna's ME Review Materials
An air compressor consumed 1200 kW-hr per day of energy. The electric motor driving the compresso...
3:49
Find the mass of carbon dioxide having a pressure of 20 psia at 200°F with 10 ft3 volume.
Luna's ME Review Materials
Find the mass of carbon dioxide having a pressure of 20 psia at 200°F with 10 ft3 volume.
3:35
Find the mass of 10 quarts of water.
Luna's ME Review Materials
Find the mass of 10 quarts of water.
1:49
Find the depth in furlong of the ocean (SG = 1.03) if the pressure at the sea bed is 2,032.56 kPa.
Luna's ME Review Materials
Find the depth in furlong of the ocean (SG = 1.03) if the pressure at the sea bed is 2,032.56 kPa.
3:54
Find the pressure at the 100 fathom depth of water in kPa.
Luna's ME Review Materials
Find the pressure at the 100 fathom depth of water in kPa.
2:49
A 1 m x 1.5 m cylindrical tank is full of oil with SG = 0.92. Find the force acting at the bottom...
Luna's ME Review Materials
A 1 m x 1.5 m cylindrical tank is full of oil with SG = 0.92. Find the force acting at the bottom...
5:15
Find the loss of head in the pipe entrance if speed of flow is 10 m/s.
Luna's ME Review Materials
Find the loss of head in the pipe entrance if speed of flow is 10 m/s.
2:19
What is the hydraulic gradient of a 1 mile, 17 inches inside diameter pipe when 3300 gal/min of...
Luna's ME Review Materials
What is the hydraulic gradient of a 1 mile, 17 inches inside diameter pipe when 3300 gal/min of...
5:24
Compute the mass of a 2 m3 propane at 280 kPa and 40°C
Luna's ME Review Materials
Compute the mass of a 2 m3 propane at 280 kPa and 40°C
2:39
A thermal power plant has the heat rate of 11,363 Btu/kW-hr. Find the thermal efficiency of the...
Luna's ME Review Materials
A thermal power plant has the heat rate of 11,363 Btu/kW-hr. Find the thermal efficiency of the...
1:53
Find the enthalpy of Helium if its internal energy is 200 kJ/kg.
Luna's ME Review Materials
Find the enthalpy of Helium if its internal energy is 200 kJ/kg.
1:32
Two kilogram of gas is confined in a 1 m3 tank at 200 kPa and 88°C. What type of gas is in the tank?
Luna's ME Review Materials
Two kilogram of gas is confined in a 1 m3 tank at 200 kPa and 88°C. What type of gas is in the tank?
3:34
Find the work possess for a helium gas at 20 deg C
Luna's ME Review Materials
Find the work possess for a helium gas at 20 deg C
2:43