A Carnot engine uses oxygen as its medium. The volumes at the beginning and end of the reversible adiabatic expansion process are 1.0 ft and 2.5 ft, respectively. Find the

Q: Define mechanical efficiency.

A: Mechanical efficiency: Mechanical efficiency is defined as how much the input energy converts into…

Q: List four sources of engineering failures

A:

Q: Ideal crystals are always have imperfections in a crystal structur

A: No, ideal crystal does not have imperfections.

Q: Write the SI units of work done.

A: Work is defined as the product of the displacement and the component of force along the…

Q: Mercury is one an example of engineering materials. Select one: O True U False

A: Engineering material is defined as the range of materials that are utilized in the construction of…

Q: The figure below shows the normal configuration of the head with proper posture. The center of mass…

A: Given:

Q: A 90° elbow shown in Figure 5 (a) is to direct water flow upward at a rate of 50 kg/s. The water is…

A:

Q: shown in Fig. 2-13.2a. The inscribed grid with each square having a length of 1 ft locates each…

A:

Q: determine and plot the moment M rotate arm 0A over the range 0 < Find the maximum value of M and

A:

Q: Hot hardness means that the material will lose its hardness at high temperature. True or false and…

A: The hardness of a material is associated with the strength of the material. This is associated with…

Q: Bar one has a Young's modulus that is bigger than that of bar two. This indicates bar one:

A:

Q: Q/List the properties required for Spring. Discuss the Spring materials

A: Introduction: A mechanical spring is a mechanism, also known as an elastic or resilient part, that…

Q: The radial stress in thin cylinders 2 points can be neglected because: the thickness of thin…

A: Radial stress is stress due to fluid pressure in the cylinder acting radially outwards, it is…

Q: You can use a lever to increase force, distance, and speed.  True or false?   (simple machines:…

A: You can use a Class 1 or Class 3 lever to increase the speed of the load, according to where the…

Q: (1) A rod of length L has a small square cross section b²; the density of the material is p. Just by…

A:

Q: Given data : Force%33 N Work done-12 J Find Displacement

A: Given data : The value of work done=12 J The value of force applied=3 N   To find : Displacement

Q: Define the three types of motion: translation, rotation, and vibration

A: It is asked define three types of motion: translation, rotation and vibration motion.

Q: What is the difference between material &amp; a structure?

A:

Q: Write a detailed note on Scleroscope.

A: Scleroscope It is used to test the hardness of the materials. In this process, a diamond-tipped…

Q: Wheels of an airplane are made of

A: Solution:

Q: - 2- 45 100lbs/ft 300lb 30 200lbs

A:

Q: what is the value of Cx?

A: Fx= 12.662 kN. Using equilibrium condition in x direction for member FC.

Q: Calculate the volume (in ft) of material used in making 350 ft of 2 in. type L copper tubing.

A: Given that, From the table of type L copper tubeFor a 2 in. in nominal size tube:Outside diameter,…

Q: A transmission shaft used to transmit power of 55 kW. During transmission shaft is subjected to a 30…

A: Given data: The power transmitted by the shaft is P = 55 kW. The torque acting on the shaft is T =…

Q: How did you get the values for Sc=Sb and Sa=Sd

A: To get the values of enthalpy and entropy at various points we have to consider the properties table…

Q: An automobile tire can be critically statically balanced since it has an dimension.

A: For static balancing, the summation of total centrifugal forces that are acting on the system must…

Q: What is the ideal mechanical advantage (IMA) for the inclined plane shown below if H 0.3m and L 3 m?…

A: Given:W=300 NF=50 NH=0.3 mL=3 m

Q: The tyre of a parked car in a parking lot experiences

A: Answer is static friction

Q: Where does a nonconservative force occur, so that mechanical energy is not conser OA

A: Here non conservative force occurs at point "C" that is point of contact of wheel and ground. Non…

Q: Show that all members of the armor withstand the same force and find the magnitude of this force

A: Consider the diagram shown below for the given truss.

Q: It's saying this is not correct. Thank you for your help.

A: We apologize for the inconvenience. The corrected solution is given below.The mass of water is .The…

Q: 5 applications

A: Write: Examples of application of shear stress

Q: what is the sizes of thr fins screw?

A: Solution:   The basic size of a single fin screw is given below:

Q: Write net torque and net force equation for a simple seesaw system

A: To find: Net torque and net force equation for a simple seesaw system

Q: Which of the following statement is incorrect? Select one: Friction causes objects to move faster…

A: Solution:

Q: mpt in Progress The proper representation of the force of a flexible cable, belt, chain, or rope if…

A: Option ( B ) is correct A force along the cable, belt, chain or Rope in tension.    Option: A C D is…