Determine what is the efficiency of the engine

Assignment Help Electrical Engineering
Reference no: EM13251321

The power measured by a Prony brake attached to an engine flywheel is 3.8 brake horsepower. The indicated horsepower, as measured by means of indicator cards is 4.1. What is the efficiency of the engine?

Reference no: EM13251321

Questions Cloud

Explain how much does the flask weigh in grams : An empty flask weighs 252.2 grams. When filled with water ( d= 1.00 g/cm3) the flask and its contents weigh 591.8 g)
Describe differences in how mcdonald''s should handle : Describe differences in how McDonald's should handle information and planning for (1) regular food items, (2) nonfood items like wrappers or napkins, and (3) promotional or one-time items like Happy Meal toys.
Determine the force required to start moving the block : The 300-kg block is acted upon by a force P, pulling it as shown. P makes an angle of 36o with the horizontal. If the coefficient of sliding friction between the block and the floor is 0.35, determine the force required to start moving the block.
Describe the importance of employee benefits as a strategic : Describe the importance of employee benefits as a strategic component of fulfilling the goals of HRM.
Determine what is the efficiency of the engine : The power measured by a Prony brake attached to an engine flywheel is 3.8 brake horsepower. The indicated horsepower, as measured by means of indicator cards is 4.1. What is the efficiency of the engine
Evaluate the impact to the u.s. manufacturing industry : Evaluate the impact to the U.S. manufacturing industry and make a recommendation on how the U.S. should deal with the practice of currency manipulation.
Depict the best lewis structure of co32 : Draw the best Lewis structure of CO32-. In this compound, the C atom is attached to three O atoms, and there are no O-O bonds
Why is pulse shaping filtering indispensable in wireless : Why is pulse shaping filtering indispensable in wireless communications applications. Give three reasons why pulse shaping filters are used and in what points of the communications link they may be deployed.
Determine the emf of the battery : An 88? resistor has a current of 0.70A and is connected in series with a 130? resistor. What is the emf of the battery to which the resistors are connected

Reviews

Write a Review

Electrical Engineering Questions & Answers

  What is the maximum amount of transmissions per hour

A mote draws an average of 200mA when "awake", 0.1mA when "sleeping", and 400mA (total) when "transmitting". Transmitting data takes 2ms, and sensor acquisition takes 1ms. If the maximum size battery available is 5000mAh

  Calculate the signal to noise ratio given rms noise voltage

1. Given R = 50Kohm and C = 100nF what is the frequency of oscillation 2. Given a required frequency of oscillation of f = 10kHz and R = 8kohm, what should the value of C be Calculate the signal to noise ratio given RMS Noise Voltage = 20mV and RMS S..

  Calculate the inductive reactance per meter

Calculate the inductive reactance per meter of a single-phase, 50-Hz, two-wire transmission line. Assume each conductor's radius is 6cm and the distance between the two conductors is 3m.

  What is the magnitude of the instantaneous current

A charged 100-pf capacitor has initial voltage across it of 10V. a 100kohm resistor is suddenly connected across the capacitor (at t=0) to discharge it. What is the magnitude of the instantaneous current at 20 usec?

  At what mark on meter stick should mass be suspended

a meter stick of uniform mass distribution and a mass of 0.150-kg is arranged as follows; a fulcrum is placed under the stick at the 20-cm mark on the stick. A mass of 0.100-kg is suspended from the 90-cm mark.

  Estimate the worst-case varation in film thickness

A wafer 100mm in diameter is mounted in an electron-beam evaporation system in which the spherical radius is 40cm. Use Eq. 6.7 to estimate the worst-case varation in film thickness between the center and edges

  What is maximum permissible strength of electric field

how does your answer change if the bubble is elongated in the direction of the electric field and sphere and the dielectric shell are placed in an initially uniform electric field E 0 in the z direction.

  Define a sinusoidal voltage has a maximum value

A sinusoidal voltage has a maximum value of 100V, and the value is 10V at t=0. The period is T=1ms. Determine v(t)

  Evaluate the size of the solar pv system

Evaluate the size of the solar PV system and Sizing a Solar PV System - What is their monthly average energy use?

  What kind of wireless networking alternative

What kind of wireless networking alternative makes the most sense when considering network links that span an appreciable portion of the globe?

  Determine the range of load resistances over the circuit

a) Determine the range of load resistances over which the circuit gives a constant Vout if Rs = 1500 kilo ohms and Vs = 150V. Assume the diode breakdown voltage is 100V and the maximum rated current is 100 mA.

  What is the surface area in square millimeters of bearnings

A project manager placed an order for ball bearings for some heavy duty manufacturing machinery. What is the surface area in square millimeters of one of these bearnings if it has a diameter of 0.4 inches

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd