Air at a pressure of 1 atm and a temperature of 50°C is in parallel flow over the top surface of a flat plate that is heated to a uniform temperature of 100°C. The plate has a length of 0.24 m (in the flow direction) and a width of 0.12 m. The Reynolds number based on the plate length is 30,000. (a) What is the rate of heat transfer from the plate to the air? (b) If the free stream velocity of the air is doubled and the pressure is increased to 10 atm, what is the rate of heat transfer? Assume the critical Reynolds number is 5 x 10⁵.

Determine the rate of heat transfer for (a), in W.
q a =  

Determine the rate of heat transfer for (b), in W.
q b =  

• Which one is more prone to fatigue fracture: ductile or brittle materials? Why?

Why the material does not experience uniform elongation after necking tensile test

Subject: Manufacturing process

Explain the differences between Dislocations vs. Crystal Defects

The floating caliper brake used in the front car wheel is shown in the following figures. The caliper supports a single floating piston actuated by hydraulic pressure. Two annular pads, ri=100 mm, ro=140mm, subtend an angle of 110°, have a coefficient of friction of 0.4, and are actuated by a pair of hydraulic cylinders 40mm in diameter. The torque requirement is 1350 N.m. For uniform wear (a) Find the largest normal pressure pa. (b) Estimate the actuating force F. (c) Find the equivalent radius re and force location r. (d) Estimate the required hydraulic pressure.

Write an ESSAY on what you understand about:

1. Anti- Ice and De-ice

2. Type of Ice

3. Type of ice accretion detectors

4. Areas need for protections

5. 4 principle of Anti-ice

6. Rain protection.

A cable that is anchored at P (0,0,0) and passes through Q (2,8,5) supports a 100 lb weight as shown. Express the tension T in the cable in Cartesian vector form.          

Write out the Navier Stokes equation in cartesian coordinates from vector form, for (mass,momentum).

A steam power plant operates with a maximum pressure of 3500 psia and maximum temperature of 1050 ^oF. Assume a simple Rankine cycle, condenser pressure is 10 psia, and turbomachinery is isentropic.

Turbine work in Btu/lb

Pump work in Btu/lb

Heat addition in steam generator in Btu/lb

Cycle thermal efficiency

A helical compression spring is wound using 1 mm-diameter music wire. The outside coil diameter of the spring is 11 mm. The ends are squared and there are 12 total turns.

(a) Estimate the torsional yield strength of the wire.

(b) Estimate the static load corresponding to the yield strength.

(c) Estimate the scale of the spring.

(d) Estimate the solid length of the spring.

(e) Is there any possibility for buckling?

a.By considering a cylindrical pressure vessel subjected to an internal pressure P, show in which one of the three primary stress orientations a crack-like defect would be most likely to cause failure when the internal pressure reaches a critical value. Support your answer with sketches and explain your reasoning.

Consider the linear time invariant system described by the transfer function G(s) given below. Find the steady-state response of this system for two cases: G(s) = X(s)/F(s) = (s+2)/(3(s^2)+6s+24) when the input is f(t) = 5sin(2t) and f(t) = 5sin(2t) + 3sin(2sqrt(3)t)

Select the true answer

1. Which of the following is an example of the subject matter of a bribe?

to throw out a speeding ticket

to obtain a government construction project

to obtain a certain zoning determination of a local municipal board

All of the above responses are correct.

2.Which of the following constitutes bribery?

when a person offers something of value to another person in order to receive something in exchange

when a person tells someone not to do something even though they should do it

when two people want to do the same thing but one is paid for it

3.Produce the goods/services society wants and to maximize profits for its wners/stakeholders

Ethics Training

Economic Responsibility

Ethical Responsibility

Ethics

4.Interacting with the community in which a company does business in a way that makes money for the company but also improves the long-term well-being of the community

Social Sustainability

Ethical Dilemma

Ethical Responsibility

Postconventional Development

5.A company's social responsibility not to violate accepted principles of right and wrong when conducting its business

social responsiveness

ethical responsibility

ethical behavior

social responsibility

6. A view of social responsibility that holds that an organization's overriding goal should be profit maximization for the benefit of shareholders

1shareholder model

2preconventional level of moral development

3stakeholders

4stakeholder model

7.Decision in which there is a right choice and a wrong choice

ethical decision

ethical lapse

ethics

ethical dilemma

8. Aapplication of ethical behavior in a business

1leadership

2business ethics

3ethical lapse

4ethics

9. The moral principles or values that generally govern the conduct of an individual or a group

Morals

Ethics

Virtue

Code of Ethics

10.Which of the following was advanced as an argument for social responsibility?