Solve please all part This question has 4 parts.Front-wheel drive vehicle with 6V motor. No load speed (") 100rpm, no load current 170mA, stalltorque 38.8 N*cm, and stall current of 2.9A. Wheel diameter 100mm, wheel width 40mm, and mass is2.4kg.a. At what percentage of the stall torque are the motors operating?b. Operating angular speed,C. Operating linear speed, vd. Operating current, I

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Answered: This question has 4 parts. Front-wheel…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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A replacement electricmotor is being considered for purchase. It is capable of providing 176.68 hp. The data: Cost $3,178.65 Maintenance cost per year 201.74 Useful Life 14 years Salvage value $2,135.30 The motor is used for 400 hours/year and the cost of electricity is $0.06/kW*h (1 hp = 0.746 kW). What is most nearly the present worth using an interest rate of 10%?
pleassssse solve question 7, statics
A rope-brake dynamometer attached to the crank shaft of an IC engine measures a brake power of 10 kW when the speed of rotation of the shaft is 400 rad/s The shaft torque (in Nm) sensed by the dynamometer is....
Mechanical Engineering In a lamellae clutch, the number of inner lamellae zi= 5 pieces, the number of outer lamellas zd=6 pieces. If the inner radius of the lamella is ri=70mm, the radius of the outer lamella is rd=120mm, the surface safety pressure of the lamella material is pem =0.8 MPa, the friction coefficient is u=0.1, what is the maximum power that the clutch can carry at n=120 rpm?
This is a dynamics problem. Answers: F = 5.96 lb, NB = 99 lb, NA = 101 lb
A pulley 1 m in diameter rotating at 300 r.p.m is brought to rest in 80 s. By constant force of friction on its shft. How many revolutions does it moves?
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A single cylinder four stroke diesel engine works on the following data: Cylinder bore = 15 cm, stroke = 25 cm, speed= 250 rpm; area of indicator diagram = 6 cm2; length of indicator diagram = 9 cm; spring constant = 7.5 bar/cm; BSFC= 0.24 kg/kWh; CV of fuel = 42000kj/kg; diameter of brake wheel = 70 cm; rope diameter = 3.5 cm ; brake load= 40kg (392.4 N), Calculate the following performance parameter (a) Mechanical efficiency (b) Indicated thermal efficiency
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66. Subject:- Mechanical Enginreering
A punching machine requires 1600 ft-lb of energy to punch a certain hole. During the punching operation, the speed of the machine is reduced from 180 rpm to 160 rpm. The weight of the arms and hub is considered to be 10 % of the rim weight, and the mean diameter of the flywheel is 32 inches. a) What is the mean or operating rpm of the flywheel? b) Find the coefficient of fluctuation. c) What is the maximum speed of the flywheel, in fps? d) What is the minimum speed of the rim, in fps? d) Determine the weight of the rim, in lb. e) What is the weight of the flywheel, in lb? f) Determine the weight of the arms and hub, in lb.
LR = 5m, LG = 2.5m and LC = 1.1m Q2. The Skylark family of sounding rockets consisted of a number of variants (denoted Skylark 5, Skylark 7, and Skylark 12 respectively). These are illustrated on Page 3. The data given below is based on that for the rocket motors they used (all manufactured and named by what was Royal Ordinance – now part of Roxel): Raven XI Motor Total mass: 1280 kg Length = LR See Case Table (units are m) Diameter = 0.44 m Goldfinch IIA Motor Total mass: 420 kg Length = LG See Case Table (units are m) Diameter = 0.44 m Cuckoo IV Motor Total mass: 242 kg Length = LC See Case Table (units are m) Diameter = 0.44 m The payload mass which is additional to the motor masses is to be taken as 100 kg. (a) For the configurations of the three rockets shown on Page 3 in Fig. Q2: (i) Determine the Pitching/Yawing moment of inertia of each rocket about the base of each rocket. (ii) Explain how you could then find the the Pitching/Yawing moment of inertia of each rocket about its…

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