do fast A V-twin engine has the cylinder axes at right angles and theconnecting rods operate a common crank. The reciprocating massper cylinder is 10 kg and the crank radius is 80 mm. The length ofconnecting rod is 0.4 m. Show that the engine may be balanced forprimary forces by means of a revolving balance mass. If the enginespeed is 600 rpm, what is the value of maximum resultant secondaryforce?

Answered: Image /qna-images/answer/a90238ab-d9cd-44a2-8a88-11e3a1f45606.jpg

Answered: A V-twin engine has the cylinder axes…

Understanding Business

12th Edition

ISBN:9781259929434

Author:William Nickels

Publisher:William Nickels

Chapter1: Taking Risks And Making Profits Within The Dynamic Business Environment

Section: Chapter Questions

Problem 1CE

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The electric motor turns spur pinion A. The motor delivers 12 HP at a rotational speed of 1,200 RPM. Pinion A has 18 teeth and Gear B has 56 teeth. The gears have a diametral pitch of 8 and a pressure angle of 20 degrees. What is the maximum bending stress (in in-lbs) in Shaft 2?
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A fiull joumal bearing of diameter 80mm and length 120mm is to support a load of 20kN at the shaft speed of 1400 rpm. The bearing temperature is to be limited to 75°C and the ambient room temperature is 38°C. The viscosity of oil used is 0.0088k 115°C. s at m Check if artilicial cooling is required and find the amount of artificial heating.
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A company owns two adjacent builds, and in each building, there is one piece of equipment that operates separately from one another. Based on past history, equipment 1 is expected to break down 7 times a year, with a variance of 3, and costs $600 per breakdown. equipment 2 is expected to break down 9.2 times per year, with a variance of 2.1, and costing $245 per breakdown. 1. What is the company’s expected cost for equipment breakdowns? 2. What is the variance of the breakdown cost? Provide set up of work to compare notes.
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A wheel tractor-scraper is carrying a 50,000 lb load while operating on a level grade. Assume no power derating is required for equipment condition, altitude, and temperature. What minimum value of coefficient of traction between the tractor wheels and the traveling surface is needed to overcome an equivalent rolling resistance of 12%? For the fully loaded condition 40% of the weight is distributed to the drive axle. Operating weight of the scraper when empty is 70,000 lb.6.4 (5 pts) A wheel tractor-scraper is carrying a 50,000 lb load while operating on a level grade. Assume no power derating is required for equipment condition, altitude, and temperature. What minimum value of coefficient of traction between the tractor wheels and the traveling surface is needed to overcome an equivalent rolling resistance of 12%? For the fully loaded condition 40% of the weight is distributed to the drive axle. Operating weight of the scraper when empty is 70,000 lb.
A 10-inch industrial fire hydrant has a 6-inch diameter fire hose with a 0.77-inch nozzle that discharges a water jet into the air on the right end. The pressure in the hose is 60 psi and the flow rate is 2,236 GPM. What is the resultant axial force (net value only) the water exerts on the nozzle, in pounds? 6-in. Oa. 6,873 pounds Ob. 8,473 pounds Oc. 10,854 pounds Od. 12,926 pounds
Strain energy is the_ a•energy stored in a body when strained within elastic limits b•energy stored in a body when strained upto the breaking of a specimen c•maximum strain energy which can be stored in a body d•proof resilience per unit volume of a material.
The HP dvd1040i 20X Multiformat DVD Writer has an MTBF of 70,000 hours. (a) Assuming continuous operation, what is the probability that the DVD writer will last more than 100,000 hours? (b) Less than 50,000 hours? (c) At least 50,000 hours but not more than 80,000 hours? (Product specifications are from www.hp.com.)
A Battery manufacturer has recently received complaints from retailers that its 9-volt batteries are not lasting as long as other name brands. Jabu Xulu, the Quality executive believes that there is no problem because his batteries have had an average life of 50 hours, which is about 10% longer that competitor’s modes. To raise the lifetime above this level would require a new level of technology not available to this battery manufacturer. Nevertheless, he is concerned enough to set up hourly assembly line checks. Previously, after ensuring that the process was running properly, the company collected samples data of 9-volts batteries. Those samples are shown in the table following table: Hours (S A M PL E) 1 2 3 4 5 1 51 50 49 50 50 2 45 47 70 46 36 3 50 35 48 39 47 4 55 70 50 30 51 5 49 38 64 36 47 6 59 62 40 54 64 7 36 33 49 48 56 8 50 67 53 43…

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