Why does the speed regulating system adopting I controller have no steady-state error? In this single closed-loop speed regulating system, when the input of the I controller Un=0, what is the output voltage of the regulator? What factors do the output voltage depend on?

1424

if two transformers are placed parallel & both have fault impedance of 50KA will it increase or decrease show example?

1542

how could test the speedo meter

2469

Define viscosity?

669

What is cut-off rate?

777

If anyone would like to know or practice for FEWA papers contact me on mohamedrashad2@hotmail.com Just completed the supervisor exam in April 2021

729

Do you know what metal might be considered the "most environmental"? I say aluminum because it can be recycled others on my team say brass.

496

What is eddy current? Describe the operating principle of proximity probe.

1765

what is advertised hop count

1283

Why is using C language

1559

sirplz send me nhpc techanical questions paper.

1801

describe the functioning of parallel adder ? what are the adventages of parallel adder over series adder?

1916

Define what are the charge carriers in p-type and n-type semiconductors?

598

What is reinforced concrete?

694

A company canteen needs an automated system for its food and beverage management. The canteen receives food and beverage items from different distributors. All the non perishable items are stored in the store-room and the perishable items are put in the fridge. The manager should be able to add, delete or update food and beverage items onto the system and perishable and non perishable item details are to be stored separately. Both waiters and the cooks should be able to update the perishable items, but only the cooks should be allowed to update the non perishable items. Both cooks and waiters are not allowed to add or delete any items that are entered. identify the Schema, Table , Fields

2795