determine the amount of electric energy and the revenue generated per day for a unit price of RM0.40 /kWh for electricity.

Q: On a hot summer day, the air in a well-sealed room is circulated by a 0.50-hp fan driven by a 65…

A: Write the expression of the conversion of units.

Q: A 30-kW motor drives a fan and delivers air through a duct 1.0 m x 1.0 m at 11.684 cm WG static…

A: Given Dataρair=1.2kg/m3ρwater=1000kg/m3P=30kW11.68cm WG=1.15kPa2.159cm WG=0.651m/s

Q: An old gas turbine has an efficiency of 21 percent and develops a power output of 6000 kW. Determine…

A: Given Data: The turbine efficiency is: η=21 % The power developed in output is: W=6000 kW The…

Q: Figure shows a single-solar-collector panel with a total surface area of 2.97 m^2. The panel…

A: givensurface area of plate A=2.97m2energy lost to surrounding =0.36×total radaitive heat water…

Q: Consider an underground water source whose free surface is 60 m below ground level. The water is to…

A: For solution refer below images.

Q: Water is being heated in a closed pan on top of a range while being stirred by a paddle wheel.…

A: Given data: The heat transferred to the water is Q1=30 kJ. The heat lost by the surroundings is…

Q: Water is pumped from a lower reservoir to a higher reservoir by a pump that provides 20 kW of shaft…

A:

Q: How is electricity generated from wind

A: Wind turbines operate on a simple principle: instead of using electricity to generate wind (like…

Q: Consider a facility that has a 130-kW compressor that runs 4400 h/yr at an average load factor of…

A: Given data: *The power of the compressor is P=130 Kw. *The time rum by the compressor in a year is…

Q: a 200-W vacuum cleaner is powered by an electric motor whose efficiency is 80%. (Note that the…

A: Given data Power of the vacuum cleaner = 200  W  Efficiency of the electric motor = 80 % To…

Q: 5. Electric power is to be generated by installing a hydraulic turbine-generator at a site 120 m…

A: Given data, H = 120 m     (H = height of water from free surface) m = 1500 kg/s   (m = mass flow…

Q: Electric power is to be generated by installing a hydraulic turbine–generator at a site 120 m below…

A: Given data :H= 120 mm.= 1500 kg/s

Q: A 90-hp (shaft output) electric car is powered by an electric motor mounted in the engine…

A: Given   Output energy, E2 = 90 hp                 Efficiency = 91%                                 =…

Q: (a) The water in a large lake is to be used to generate electricity by the installation of a…

A:

Q: A fan is to accelerate quiescent air to a velocity of 10 m/s at a rate of 4 m3/s. Determine the…

A: Giventhe volume flow rate of tha fanv=4m3/svelocity of air caused by fanV=10m/sthe density of air…

Q: An oil pump is drawing 35kW of electric power while pumping oil with p = 860 kg/m³ at a rate of 0.1…

A: Given data:    The power supplied to the motor, P = 35 kW                                 The…

Q: at a certain location, wind is blowing steadily at 10 m/s. determine the mechanical energy of air…

A:

Q: AT. 1] Consider an under ground water source whose free surface is 60 m below ground level. The…

A:

Q: How do the energies of a flowing fluid and a fluid at rest compare? Name the specific forms of…

A: we will discuss the different energies of static vs owing fluid

Q: The efficiency of turbine is defined as the ratio of O a. work of compression to work of expansion O…

A:

Q: Determine the maximum available work [kJ/kg] that could be obtained from a power plant using water…

A:

Q: A 2-kW pump is used to pump kerosene (ρ = 0.820 kg/L) from a tank on the ground to a tank at a…

A: We know that,  P=ρgQH                                     (where P=Head Power ,H=head difference and…

Q: Consider a river flowing toward a lake at an average velocity of 3 m/s at a rate of 570 m³/s at a…

A: Given data: V=3 m/sz=90 mV˙=570 m3/s Need to determine the total mechanical energy of the river per…

Q: Consider a river flowing toward a lake at an average velocity of 3 m/s at a rate of 500 m3/s at a…

A: As per expert guidelines we are supposed to answer only the first question of the given multiple…

Q: The elevator of a large building is to raise a net mass of 550 kg at a constant speed of 12 m/s…

A:

Q: A fan is to accelerate quiescent air to a velocity of 9 m/s at a rate of 3 m3 /s. If the density of…

A: Given, Volume flow Rate of air Q = 3 m3/s Density ρ = 1.15 kg/m3 Final Velocity Vf = 9 m/s P =…

Q: Electric power is to be generated by installing a hydraulic turbine–generator at a site 100 m below…

A:

Q: 1)Can the combined turbine-generator efficiency be greater than either the turbine efficiency or the…

A: 1. The combined turbine-generator efficiency  cannot be greater than either the turbine efficiency…

Q: The utility company is selling electric power for $0.06/kWh at night, and $0.13/kWh for power…

A: Calculate the power required for pumping operation. Pin=γQH+hLηp Here, Pin is the power required for…

Q: Consider an underground water source whose free surface is 60 m below ground level. The water is to…

A: Free surface below the ground level, H1=60mDelivery point above the ground by pump, H2=5mPipe…

Q: A water pump increases the water pressure from 15 psia to 70 psia. Determine the power input…

A:

Q: At a certain location, wind is blowing steadily at 10 m/s. Determine the mechanical energy of air…

A: Given data: Velocity of wind, v = 10 m/s. The diameter of the wind turbine, d = 70 m. The overall…

Q: Large wind turbines with a power capacity of 8 MW and blade span diameters of over 160 m are…

A: Given: The diameter of the wind turbine is d=100 m. The velocity of the wind turbine is v=8 m/s.…

Q: Consider a river flowing toward a lake at an average velocity of 22.5 km/hr at a rate of 387 m3/s at…

A:

Q: At a certain location, wind is blowing steadily at 10 m/s. Determine the mechanical energy of air…

A:

Q: An exercise room has 6 weight-lifting machines that have no motors and 7 treadmills each equipped…

A: Given data: The number of treadmills (n) = 7 The efficiency of the treadmill = 0.77 Average load…

Q: Consider an under ground water source whose free surface is 60 m below ground level. The water is to…

A:

Q: Water is pumped from a lower chamber to a higher chamber by a pump driven by a 55 kW electric motor…

A: Given data pump driven power = 55 kW Pumps electric motor with an efficiency = 85%.…

Q: Compare wind, solar, and power generation systems with each other and write down their advantages…

A: Wind energy:-wind energy describes the process by which the wind is used to generate mechanical…

Q: A 75-hp compressor in a facility that operates at full load for 2500 h a year is powered by an…

A: Given,  Power generated by compressor = W˙comp = 75 hp = 75 hp × 0.7457 kW1 hp = 55.9275 kW…

Q: Q1/ Electric power is to be generated by installing a hydraulic turbine- generator at a site 120 m…

A: Given data  Available Head (H) = 120 m  Mass flow rate (m˙) = 2400 kg/s   To determine  the power…

Q: Q2/ An automobile engine consumes fuel at a rate of 28 L/h and delivers 60 kW of power to the…

A:

Q: Consider a river flowing toward a lake at an average velocity of 5m/s at a rate of 450 m3/s at a…

A:

Q: A hydraulic turbine is used to generate power by using water in a dam. The elevation difference…

A:

Q: On a hot summer day, the air in a well-sealed room is circulated by a 0.50-hp fan driven by a 65…

A: This question is based on the concept of thermodynamics.

Q: Define the Mechanisms of Energy Transfer, Ein and Eout?

A: given: Define the Mechanisms of Energy Transfer, Ein and Eout