subject
Engineering, 12.07.2019 21:30 benjaminmccutch

Amechanism used in printing machinery consists of a tension assembled with a preload of 30 n. the wire diameter of spring is 2 mm with a spring index of 6. the spring has 18 active coils. the spring wire is hard drawn and oil tempered having following material properties: design shear stress 680 mpa modulus of rigidity 80 kn/mm2 determine: spring 1. the initial torsional shear stress in the wire; 2. spring rate; and 3. the force to cause the body of the spring to its yield strength.

ansver
Answers: 3

Another question on Engineering

question
Engineering, 04.07.2019 18:20
Vibration monitoring this technique uses the noise or vibration created by mechanical equipment and in seme cases by plant systems to detemine their actual condtion. a)- true b)- false
Answers: 2
question
Engineering, 04.07.2019 19:10
The proportional limit is always greater than the yield strength for a material. a)-trune b)- false
Answers: 3
question
Engineering, 04.07.2019 19:10
Estimate the change in specific internal energy au and specific enthalpy h from inlet to outlet for ethylene glycol (a liquid) flowing through each of the following devices: (a) a heat exchanger where the glycol temperature increases from 20 °c to 80 °c; (b) a pump operating at about 25 °c and increasing the glycol pressure from 100 kpa to 8 mpa.
Answers: 2
question
Engineering, 04.07.2019 19:20
Acircular pipe of 30mm outside diameter is placed in an airstream at 30 c and latm pressure. the air moves in cross flow over the pipe at 20 m/s, while the outer surface of the pipe is maintained at 110 c. what is the drag force exerted on the pipe per unit length? what is the rate of heat transfer from the pipe per unit length?
Answers: 1
You know the right answer?
Amechanism used in printing machinery consists of a tension assembled with a preload of 30 n. the wi...
Questions
Questions on the website: 13722367