The fan angle of a uniform stream of M1 = 1.6 passing through a convex -7wedge of 25 degrees is40.6 degrees O17.8 degrees33.4 degrees26 degreesIf you asked to reduce the specific fuel consumption of a turbojet -8engine by improving the efficiency of either the turbine or the?compressor. Which one you will electthe compressorthe turbineThe specific thrust of a turbojet engine is 1000 N/(kg/s) and the specific -9fuel consumption is 0.02 kg/(kN.s). What is the compressor pressure ratio if?its inlet temperature is 282.2 K7 O89 O10 OThe throat area of a c-d nozzle is 10 cm^2 and its exit is 20 cm^2. If the-10stagnation pressure is 1 bar, what is the exit pressure (Pe) range needed to?chock the throatgreater or equal 0.0935 bar and less or equal 0.937 barless or equal 0.937 bargreater or equal 0.937 bar and less or equal 1 bargreater or equal 0.935 bar

Answered: Image /qna-images/answer/19376bf3-3bc5-416c-94d4-d9300e062568.jpg

Answered: If you asked to reduce the specific…

If you asked to reduce the specific fuel consumption of a turbojet -8 engine by improving the efficiency of either the turbine or the ?compressor. Which one you will elect the compressor the turbine

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter7: Conservation Of Energy

Section: Chapter Questions

Problem 10CQ

See similar textbooks

Related questions

Q: discards

Q: Calculate the efficiency of a fossil-fuel power plant that consumes 380 metric tons of coal each…

A: Heat of Combustion of coal = 28MJ/Kg Amount of coal burnt per hour (given) = 380 metric ton =…

Q: Calculate the efficiency of a heat engine which takes in 7 million Joules of energy into the hot…

Q: Which option is the best energy transfer proc

A: In the given scenario wax of the candle burns to produce light and heat. The wax of candle is having…

Q: 1.13 Apply the grid method to calculate the cost in U.S. dollars to operate a pump for one year. The…

Q: Define the compression ratio for reciprocating engines.

A: Given: Compression ratio

Q: A large household air conditioner may consume 13.0 kW of power. What is the cost (in $) of operating…

Q: A hydraulic turbine has 85 m of elevation difference available at a flow rate of 0.25 m3/s, and its…

Q: the energy input to an engine is 4 times greater than the work it performs. what is its efficiency

A: Out put of the engine is the work it performs.Let it be w. Given the input is 4w Efficiency of an…

Q: an engine of a large ship does 430 MJ of work with an efficiency of 25% determine the amount of heat…

A: Since energy is conserved, the amount of energy used by the ship plus the amount of energy released…

Q: Suppose that an engine has 28% overall efficiency. Find how much work is done in a time interval in…

A: The efficiency is defined as the ratio of work done to the input heat. η = WQin Where, W is the…

Q: An underground salt cavern has approximate dimensions of 100m x 500m x 3m. The underground salt…

Q: 2. Determine the work done against gravity by a pump that discharges 600 liters of fuel oil into a…

A: Given:- V= 600 l = 0.6 m3 h= 20 m ρ= 0.82 g/cc = 820 kg/m3

Q: Question in image.

A: a) The amount of natural gas is,

Q: Airflow lifts a 3.6 kg bird 50 m up. How much work was done by the flow?

A: The energy possessed by an object when raised to a height h from the ground is known as the…

Q: A new coal-burning power plant can generate 1.9 gigawatts (billioi watts) of power. Burni a. How…

A: 1 kg of coal burns 447 killowatt -hours of energy a) Plant can generate = 1. 9*10^6 *30*24 kilowatt-…

Q: 16. A centrifugal pump runs at 1540 rpm and discharges 120 litres per second against a head of 25…

A: SOlution: Given that n = 1540 rpm Q = 120 LPS =0.12 m3/s H = 25 m D2 = 25 cm = 0.25 m t2 = 8 cm =…

Q: A large household air conditioner may consume 15.0 kW of power. What is the cost of operating this…

A: The total time in hours for which the air conditioner operates is

Q: At typical nuclear power plants, refueling occurs every 17 months. Assuming that a plant has…

A: the efficiency of the power plant is 25% or 0.25.the energy required to produce the projected energy…

Q: A large household air conditioner may consume 14.0 kW of power. What is the cost of operating this…

A: Unit of power=KiloWatt=KW Unit of Time=hour Power=Energy/time Energy=Power X time Unit of energy is…

Q: . A heat engine does 23 kJ of work during 1800 s. Find the power supplied by the engine.

A: Given data: Work (W) = 23 kJ Time (t) = 1800 s Required: Power (P)

Q: A car engine with a power output of 110 hp has a thermal efficiency of 28 percent. Determine the…

Q: 1.13 Apply the grid method to calculate the cost in U.S. dollars to operate a pump for one year. The…

Q: How much energy is possible to generate over a waterfalls. With a fall of 150ft and flow of 750,000…

Q: The water behind Hoover Dam in Nevada is 206 m higher than the Colorado River below it. At what rate…

A: Given: Height, h = 206 m Power, P = 100 MW = 100 x 106 W = 108 W g = 9.8 m/s/s

Q: In the following image, if we intend to increase the theoretical efficiency of this engine, we can…

A: As we know the efficiency of Carnot heat engine Efficiency η = work doneHeat taken η = Q1 - Q2Q1 =…

Q: the operating cycle of a four-stroke engine. Support your answer with illustrations or

A: A 4-stroke engine is a very common variation of an internal combustion engine. Most modern internal…

Q: Water is being pumped from a large lake to a reservoir 25 m above at a rate of 25 L/s by a 10-kW…

A: Considering the surface of the lake at x1=0m . Given the height of the reservoir is equal to x2 =25…

Q: Is the engine still firing? Explain.

A: Yes.

Q: Compressors powered by natural gas engines are increasing in popularity. Several major manufacturing…

Q: Electric power is to be generated by installing a hydraulic turbine–generator at a site 70 m below…

Q: Monday Tuesday or Challenge Wednesday A hydroelectric power station has an upland reservoir that is…

A: Height (h) = 400 m Power (P) produced = 96 MW efficiency = 60 %

Q: A heat engine produces 30, 000 J of mechanical work per second of operation. If its efficiency is…

A: Efficiency =WQH Heat input QH = 30000/0.2 =150000 J Heat discharge = QH -W = 120000J

Q: Question 17 A gasoline engine with an efficiency of 0.49 generates 1.86 hp of power. If a liter of…

Q: A pump is used to lift 500kg of water from a depth of 80m in 10s. Calculate: (a) The work done by…

Q: A man pushes a lawn mower on a level lawn with a force of 187 N. If 26% of this force is directed…

A: P=Wt=26%Fdt

Q: A power plant extracts potential energy from a river to provide electrical power. The average amount…

A: As there are two questions, first one is solved.

Q: An engine is able to do 1000 J of work. How much heat would need to be added for it to be as…

A: Given:- An engine is able to do 1000 J of work. How much heat would need to be added for it to be as…

Q: • An engine pumps water through a hose pipe. Water passes through the pipe and leaves it with a…

A: Given Velocity of water, V = 2 m/s Mass per unit length = M/L = 100 kg /m The power of engine is…

Q: An aquarium 3 m long, 6 m wide, and 1 m deep is full of water. Find the work (in J) needed to pump…

Q: A power plant produces 1 GW of electricity, at an efficiency of 40% (typical of today's coal-fired…

A: Given: The power of plant is W=1 GW. The efficiency is e=40%. The expression of efficiency is…

Q: A heat engine that pumps water out of an underground mine accepts 700 kJ of heat and produces 250 kJ…

A: Given: Heat input, Q in = 700 kJ Work, W = 250 kJ

Q: What does it mean to say that human body is an engine with an efficiency of 20 percent?

Q: Explore the relationship of Lenz Law to Newton’s 3rd Law of Motion, Energy Conservation, and the 2nd…

A: Lenz's law is used in electromagnetic induction to find out the direction of induced current.

Concept explainers

Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.

Question

100%

The fan angle of a uniform stream of M1 = 1.6 passing through a convex -7
wedge of 25 degrees is
40.6 degrees O
17.8 degrees
33.4 degrees
26 degrees
If you asked to reduce the specific fuel consumption of a turbojet -8
engine by improving the efficiency of either the turbine or the
?compressor. Which one you will elect
the compressor
the turbine
The specific thrust of a turbojet engine is 1000 N/(kg/s) and the specific -9
fuel consumption is 0.02 kg/(kN.s). What is the compressor pressure ratio if
?its inlet temperature is 282.2 K
7 O
8
9 O
10 O
The throat area of a c-d nozzle is 10 cm^2 and its exit is 20 cm^2. If the-10
stagnation pressure is 1 bar, what is the exit pressure (Pe) range needed to
?chock the throat
greater or equal 0.0935 bar and less or equal 0.937 bar
less or equal 0.937 bar
greater or equal 0.937 bar and less or equal 1 bar
greater or equal 0.935 bar

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1the

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

Coal is lifted out of a mine a vertical distance of 50 m by an engine that supplies 500 W to a conveyer belt. How much coal per minute can be brought to the surface? Ignore the effects of friction.
Check Your Understanding You are rowing a boat parallel to the banks of a river. Your kinetic energy relative to the banks is less than kinetic energy relative to the water. Are you rowing with or against the current?
In a hydroelectric dam, water falls 30.0 mm and then spins a turbine to generate electricity. What is ΔUΔU of 1.0 kg of water? Express your answer with the appropriate units.
If W is positive energy is transferred from the system. true or false?
What percent of the initialmechinal energy is dissipated by friction?
Water flows over a section of Niagara Falls at a rate of 1.30 × 106 kg/s and falls 52.0 m. What is the power dissipated by the waterfall?
What is the efficiency of a subject on a treadmill who puts out work at the rate of 110 W while consuming oxygen at the rate of 2.00 L/min?(Hint: If the oxygen consumption is 2.00 L/min,then the power input is 700 W.)
Using the data presented in the pressure-versus-volume drawing below (x = 1.15E+4 Pa and y = 1.80E-3 m3), calculate the magnitude of the work done when the system changes from A to B to C along the path shown.
Sketch the sum va + w as shown if the direction of w is reversed.
When an automobile is traveling at 60 km/hr, its engine is developing 25 hp. a) Find the total resisting force in newtons. b) Assuming that the resisting force is directly proportional to the speed, what horsepower must the engine develop to drive the automobile at 100 km/hr? Answer: a) 1118.3 N, b) 69 hp
A patient's heart pumps 5.00 L of blood per minute into the aorta, which has a diameter of 1.80 cm. The average force exerted by the heart on the blood is 16.5 N. Waht is the average mechanical power output of the heart?
A certain rain cloud at an altitude of 1.75 km contains3.20 x 107 kg of water vapor. How long would it take for a2.70 - kW pump to raise the same amount of water from Earth’ssurface to the cloud’s position?