Engineering Answers

7. Is the procurement of third party insurance necessary to be incorporated in contract for construction works?

9. The insurance policy of insurance companies has changed recently. What is the major change?

11. What is the difference between sureties and security?

10. Should design life be the same as return period for design conditions?

14. What is the difference between normal bolts and high friction grip bolts?

Aim: Determine the true power dissipated in the load of a single-phase half-wave rectifier fed from a 220 V 50 Hz supply. The load resistor is equal to the last two numbers of your

student number + 10 ohm.

A spring of free length 240 mm is 200 mm long when carrying a compressive load of 50 N. When fully compressed, the spring is 110 mm long. Calculate the spring rate and the work done in compressing the spring from 175 mm long to 120 mm in length. 

Could you please explain how the differential relay connect to M.V Motor (practically where CT locations ?) Actually inside winding or where?

In your own words, explain the difference between an adjusting difference and timing difference and provide an example of each

there are required 124 ft-lb of work to compress a spring from its free length y1 to that of y2= 2.5 in; the constant scale is K=100 lbf/in. Find the free lenght