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A square bar of side 20mm and length 2m is under a tensile load of 400N. Then the Normal stress is _____ MPa and the Maximum Shear stress is _____ Mpa.

If the modulus of elasticity is 200GPa, then net deflection of the bar is ______m and the strain is _______m/m.

Developed a power cycle rejecting heat into a cold reservoir : An inventor claims to have developed a power cycle rejecting heat into a cold reservoir at 300 K. If it is claimed that the thermal efficiency is 40%, evaluate the claim if the hot reservoir is at a) 800 K, b) 300 K and c) 600 K. |

Determine the electric power required by the heat pump : A heat pump with a coefficient of performance of 3.8 provides energy at an average rate of 75,000 kJ/h to maintain a building at 21oC on a day when the outside temperature is 0oC. If electricity costs 8 cents per kW. h. Determine the electric power r.. |

Corresponding crank angles and transmission angles : A crank rocker linkage has 100 mm frame, 30 mm crank, 80 mm coupler and 90 mm rocker. Draw the linkage to scale and find the minimum and maximum values of the transmission angle. Also sketch both toggle positions and record the corresponding crank an.. |

How far from the surface must the other probe be placed : A very long insulating cylinder of charge of radius 2.80cm carries a uniform linear density of 13.0nC/m. If you put one probe of a voltmeter at the surface, how far from the surface must the other probe be placed so that the voltmeter reads 150V. |

The modulus of elasticity : A square bar of side 20mm and length 2m is under a tensile load of 400N. Then the Normal stress is _____ MPa and the Maximum Shear stress is _____ Mpa. If the modulus of elasticity is 200GPa, then net deflection of the bar is ______m and the strain i.. |

Find the initial charge on each sphere : There is two identical, positively charged conducting spheres fixed in space. The spheres are 48.6 cm apart (center to center) and repel each other. find the initial charge on each sphere. |

Develop high-level concepts and outline for idea : Demonstrate a strong substantiation of your idea. Demonstrate understanding of how the course concepts apply to the idea. Be sure to include the basic concepts and criteria required by the CEO. Your idea must be compelling and creative. |

What is the strength of the magnetic field on surface : A magnetic field is oriented at an angle of 39o to the normal of a rectangular area 6.5cm by 6.0cm .If the magnetic flux through this surface. What is the strength of the magnetic field. |

Calculate the charge on each capacitor : Two capacitors are connected in series. Let 3.50 microfarads be the capacitance of first capacitor, 5.50 microfarads the capacitance of the second capacitor. Calculate the charge on each capacitor. |

## Determine the angular velocity of rod bdKnowing that crank AB has a constant angular velocity of 160 rpm counterclockwise, determine the angular velocity of rod BD and the velocity of collar D when a. delta=0, b. delta = 90. |

## Determine the number of automobiles with premair catalystdetermine the number of automobiles with premair catalyst treated radiators needed to reduce the ozone concentration in |

## The 2 mg car increases its speed uniformly from rest to 25the 2 mg car increases its speed uniformly from rest to 25 ms in 30s up the inclined road. determine the maximum power |

## Air initially at a dry-bulb temperature of 45oc andair initially at a dry-bulb temperature of 45oc and relative humidity of 10 is adiabatically humidified to 60 relative |

## A gas-turbine power plant operates on the simple braytona gas-turbine power plant operates on the simple brayton cycle between the pressure limits of 100 and 800 kpa. air |

## Determine the horizontal acceleration a of the framethe collar a is free to slide along the smooth shaft b mounted in the frame. the plane of the frame is vertical. |

## An air compressor takes air from outdoors at 28deg c andan air compressor takes air from outdoors at 28deg c and 101.2kpa and compresses it to 790kpa and 50 deg c. the air |

## Consider a homogenous isotropic solidConsider a homogenous isotropic solid. Assume that all relevant properties do not depend on temperature and position within the solid. Derive the heat conduction (diffusion) equation in The rectangular coordinate system. Cylindrical coordinate system.. |

## You have three blocks of different materials at variousyou have three blocks of different materials at various temperatures. they are 2-kg block of iron at 600 k a 3-kg block |

## An actual refrigerator absorbs 500 kj of heat from a sinkan actual refrigerator absorbs 500 kj of heat from a sink at 250 k and reject 660 kj of heat to environment at 300 k. |

## Discuss the condition of the water still in the bagDiscuss the condition of the water still in the bag and the reason for that condition. Base your discussion on topics that have been covered in this course so far. |

## Determine expressions for the local and convectivethe velocity in a two-dimensional flow field is given by the equation v i2xt - j2yt where the velocity is in ms when x |

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