Engineering Answers

2. Find the enthalpy at 5 MPa, 8.2% moisture content.

A 1OL volumetric container weighing 6.2 kg has been packed with gravel by the required method, and then the total weight is 2 1.3 kg. Calculate the bulk density of gravel. If water is filled into the container, the total weight

Steam at a pressure of 3.5 MPa is known to have a specific volume of 50X10^-3 m³/kg. What is its specific enthalpy?

To measure the voltage across a particular resistor, a voltmeter must be connected in series with the resistor.

At what height above the surface of the earth , does the weight of an object decrease to 0.8 of the original

3. Two shafts, having axes in the same plate intersecting at an angle of 45°, turn in opposite senses at 30 rpm and 90 rpm. Draw a pair of cone to be located on these shafts and turn in pure rolling contact. Diameter of base of smaller cone is 1 in. Calculate the cone angles.

Calculate the volume of the solid formed by revolving about the line y=1 the region bounded by the parabola

x

2 = 4y and that line. Take the rectangular elements of area parallel to the axis of revolution.

Use Laplace transform method to find the solution of linear ordinary differential equation (d ^ 2 * x)/(d * t ^ 2) - 2 * (dx)/(dt) + x = e ^ t epsilon = 2, (dx)/(dt) = - 1 with at t = 0

Forces 32 kN, 24 kN, 24 kN and 120 kN are concurrent at origin and are respectively directed through the points whose coordinates are A (2, 1, 6), B (4 –2, 5), C (–3, –2, 1) and D (5, 1, –2). Determine the magnitude of the resultant and the angles it makes with coordinate axes

P1.1 Perform research on mechatronic systems that are used in vehicles. Identify the type of sensors and/or actuators that are used in the following systems.

a. Air bag

b. Door locks

c. Powered side mirrors