Engineering, 08.11.2019 01:31 Fvmousdj5
Adatabase at a college is required to support the following requirements. complete the information-level design for thisset of requirements. use your own experience to determine any constraints you need that are not stated in the problem. represent the answer in dbdla. for a department, store its number and name. b. for an advisor, store his or her number and name and the number of the department to which he or she is assigned. c for a course, store its code and description (for example, mth110 or algebra).d. for a student, store his or her number and name. for each course the student has taken, store the course code, coursedescription, and grade received. in addition, store the number and name of the student's advisor. assume that an advisormay advise any number of students but that each student has just one advisor.
Answers: 3
Engineering, 04.07.2019 16:10
An electrical motor raises a 50kg load at a construct velencity .calculate the power of the motor, if it takes 40sec to raise the load through a height of 24m(take g =9.8n/g)
Answers: 2
Engineering, 04.07.2019 18:10
What difference(s) did you notice using a pneumatic circuit over hydraulic circuit.explain why the pneumatic piston stumbles when it hits an obstacle.
Answers: 2
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
Different types of steels contain different elements that alter the characteristics of the steel. for each of the following elements, explain what the element does when alloyed with steel.
Answers: 2
Adatabase at a college is required to support the following requirements. complete the information-l...
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