Engineering, 16.04.2020 00:23 queenbee2994
Problem 1 A coil measures ⁄ meter in length with 500 turns of ⁄ inch diameter, and has a metallic core with a relative permeability of 1150. For the first part of this problem determine the inductance of this coil. Then, find the voltage induced across the coil if the rate of change of current is:
a) 1 A/s
b) 20 mA/ms
c) 6 mA/100 μs
Answers: 3
Engineering, 04.07.2019 18:10
Afour cylinder four-stroke in-line engine has a stroke of 160mm, connecting rod length of 150mm, a reciprocating mass of 3kg and its firing order is 1-3-4-2. the spacing between cylinders is 100mm. i. show that the engine is in balance with regard to the primary inertia forces and primary 3. a and secondary inertia couples. li determine the out of balance secondary inertia force ii. propose ways of balancing this out of balance force and discuss the challenges that will arise
Answers: 3
Engineering, 04.07.2019 18:10
Determine whether or not it is possible to compress air adiabatically from k to 140 kpa and 400 k. what is the entropy change during this process?
Answers: 3
Engineering, 04.07.2019 18:20
Select any two (2) areas of applications of chain-drive. (clo4) a)-permanent lubrication necessary b)-hydraulic forklift truck operation c)-rigging and heavy moving materials d)-relatively high maintenance costs e)-costlier than belt drives
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Engineering, 04.07.2019 18:20
Find the kinematic pressure of 160kpa. for air, r-287 j/ kg k. and hair al viscosity of air at a temperature of 50°c and an absolute (10 points) (b) find the dynamic viscosity of air at 110 °c. sutherland constant for air is 111k
Answers: 3
Problem 1 A coil measures ⁄ meter in length with 500 turns of ⁄ inch diameter, and has a metalli...
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