Question: A 250-V, 4-pole, wave-wound d.c. series motor has 782 conductors on itsarmature. It has armature and series field resistance of 0.75 ohm. The motor takesa current of 40 A. Estimate its speed and gross torque developed if it has a flux per pole of 25 mWb Answer: Step 1 Mechanical Engineering homework question answer, step 1, image 1 Mechanical Engineering homework question answer, step 1, image 2 Step 2 Mechanical Engineering homework question answer, step 2, image 1 Step 3 Mechanical Engineering homework question answer, step 3, image 1

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Question:

Computer A has 145 MB data to send on a network and transmits the data in a burst @ 20 Mbps. The maximum transmission rate across routers in the network is 10 Mbps. If Computer A's transmission is shaped using a leaky bucket then what will be the bucket size to make sure that no data is discarded?

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Answer:

20 Mb → 1 sec

(145MB *8) Mb → ( time for computer to transmit data)??

time for computer to transmit data = total bits / max trans rate

= (145 MB * 8 bits/byte) / 20 Mbps

= 1160Mb / 20 Mb/s

= 58 s

10 Mb → 1 sec

actual data sent on network ?? → 58 sec

actual data sent on network in 58 s = network rate * 58 s

= 10 Mb/s * 58s

= 580 Mbits = 72.5 Mbytes

bucket size = 145 MB - 72.5 MB = 72.5MB(or 580Mb)