2. please provide me a complete solutions with step by step procedure. thank you! 2. How much work must be input by the paddle wheel below to raise the piston 5 cm. The initial temperatureis 100°F.FrictionlesspistonInsulatedcylinder175 lbfPAirm10"W padleT2W p

Answered: Image /qna-images/answer/fd961411-8b97-45f5-a1ab-e7e28858a55a.jpg

Answered: How much work must be input by the…

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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1- A steam stripper is used to help removing wallpapers. It comprises of a tank of waterwith an electrical heating element. To generate steam, from which a long rubber tubeconveys the steam to the head which contact with the wallpaper to be removed.(i) The power rating of the electrical heating element is 2 KW, and the tank holds about3 liters of water. Estimate the time it would take from switching the power on tosteam to be generated. (ii) Once steam has started to be produced, estimate how long you could workcontinuously before having to refill the tank. Assume that all water initially in thetank can be evaporated into steam. Also, neglect any heat loss from the tank.Data :Room Temperature 20 oCHeat capacity of water, Cp 4.19 KJ kg-1 K-1Latent heat of vaporization of water at 100 oC, hfg 2257 KJ kg-1(iii) Stream is to be condensed in the condenser of a steam power plant at atemperature of 50 oC with cooling water from a nearby lake which enters the tubesof the condenser at 18 oC at…
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A 75 pound object needs to be lifted vertically one foot. You bave a 2-inch diamcter piston actuator with a 12-inch stroke connected to a 50 psi source of presSurized air. The mass is restricted by a set of guide rails, which imit it to vertical motion, and which ase roller bearings with & friction coefficient of 0.002. Can the object be lifted? How long I will it take?
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2-An engine with an indicated thermal efficiency of 26% and mechanical efficiency of 25% consumes 25 kg/hr of fuel at a fixed speed. The brake mean effective pressure is 6 bar and the mean piston speed is 15 m/s. Assuming it is a single cylinder square engine determine the crank Shaft radius and speed in rpm. Take Cv of the fuel 42 MJ/kg. (i) 68.2 mm (ii) 3300 rpm
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Machines-3. x 36qycDtil2k1AXMqTaZ4VgBpxj6cEROXWIQ/edit Lhe amount o VWOIK UDameu nO a maCHne is diways iess tan LTIE WOIK put . TIS IS DEcause Some of the work is lost due to friction. The efficiency of a machine can be calculated using the formula: Percent Efficiency Work output (Waur X Work input (W) 100 1. A man expends 100J of work moving a box up an inclined plane. The amount of work produced is 80J. What is the efficiency? 2. A box weighing 100 Newtons is pushed up an inclined plane that is 4 meters long, It takes a force of 75 Newtons to push it to the top, which has a height of 3 meters. What is the efficiency? 3. Using a lever, a person applies 60 Newtons of force and moves the lever 1 meter. This moves a 200 Newton rock at the other end of the rock .2 meters. What is the efficiency? 4. A person in a wheelchair exerts a force of 25 Newtons to go up a ramp that is 10 meters long. The weight of the person and the wheelchair is 60 Newtons and the height of the ramp is 3 meters.…
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