Engineering, 28.11.2019 01:31 cexe468
An element is subjected to plane stress. by rotating 20 degrees in the clockwise direction from its original position, the element can reach its principal stress state. which rotation of the element from its original position can reach the state of maximum in-plane shear stress?
25 degrees in the counterclockwise direction
70 degrees in the clockwise direction
45 degrees in the clockwise direction
45 degrees in the counterclockwise direction
70 degrees in the counterclockwise direction
25 degrees in the clockwise direction
Answers: 3
Engineering, 04.07.2019 18:10
Draw the engineering stress-strain curve for (a) bcc; (b) fcc metals and mark important points.
Answers: 1
Engineering, 04.07.2019 19:10
Air inially occupying a volume of 1 m2 at 100 kpa, 27 c undergoes three internally reversible processes in series. process 1-2 compression to 500 kpa during which pv constant process 2-3 adiabatic expanslon to 100 kpa process 3-1: constant-pressure expansion to 100 kpa (a) calculate the change of entropy for each of the three processes. (b) calculate the heat and work involved in each process. (c) is this cycle a power cycle or refrigeration cycle?
Answers: 3
Engineering, 04.07.2019 19:10
The short distance from the objective lens to the object causes problems at high magnification. which of the following is the most serious? a. cleaning the object surface b. positioning the object c. reflection from the object surface. d. illumination of the object
Answers: 1
Engineering, 04.07.2019 19:10
Ahelical coil spring has a mean diameter of 50 mm, a wire diameter of 5.5 mm and is wound with a pitch of 10 mm. the spring steel has an ultimate strength of 1250 mpa. find the force needed to compress the spring solid and the wire stress in this condition. state whether the spring will return to its initial length.
Answers: 1
An element is subjected to plane stress. by rotating 20 degrees in the clockwise direction from its...
History, 26.03.2021 17:00
Mathematics, 26.03.2021 17:00
Mathematics, 26.03.2021 17:00
Health, 26.03.2021 17:00
Mathematics, 26.03.2021 17:10
Mathematics, 26.03.2021 17:10
Mathematics, 26.03.2021 17:10
Computers and Technology, 26.03.2021 17:10
Mathematics, 26.03.2021 17:10
Mathematics, 26.03.2021 17:10
Mathematics, 26.03.2021 17:10
Mathematics, 26.03.2021 17:10