Civil and Environmental Engineering Answers

1. If the weight is descending freely, determine the tension in the cord both before and after a brake force P – 100 lb is applied. Neglect the thickness of brake.

Use the following questions discussion Exposure Monitoring Sampling

Strategy:

●      Which employee or employees are to be sampled?

●      Where should the sampling device be located in relation to the employee sampled?

●      How many samples should be taken on each workday sampled to define an employee’s exposure?

●      How long should the sampling interval be for a measurement sample?

●      What periods during the workday should the employee’s exposure is sampled?

●      How many workdays during a year should be sampled, and when?

Based on the discussion:

●Provide    a      proposal

 On Exposure

Monitoring   Sampling      Strategy

 for

your

organisation.

●Draw a flowchart sampling strategy.

to

illustrate the

find the area bounded by y2=4x and y+2x=12

Explain the NOx emissions of Diesel cars. (What environmental 

problem it causes, health problems related to it, how it can be managed 

in diesel vehicles, why VW did not opt to use it, Standards set in US, 

how it is regulated) 

4. In light of the above problems, why didn’t they rather opt for hybrid or 

electric cars

Determine the adequacy of Bolt B when 20mm diameter A325 bolts are used with threaded excluded from the shear planes. Assume the strength of the column and the ST section does not govern. The value of F is 500kN, with a 60-degree angle from the horizontal. Bolts A F Bolts B

How crease recovery can be altered by changing fabric structure and design ?