Stress marks on the edge of a radial crack near the point of impact are:   Question 17 options:   Perpendicular to the side on which the force was applied.   Parallel to the side on which the force was applied.   Parallel to the side opposite the side on which the force was applied.   Perpendicular to the side of the glass facing outdoors.

Consider a very large wooden barrel for storing wine. Should the “flat” ends be concave (bending inward) or convex (bending outward)? Why?

Q(3): Answer the followings (Only Ten)? 1. In Taylor-Orowan dislocation, The amount of force required to form and move an edge dislocation is less, while speed of movement of an edge dislocation is bigger. True or False. 2. Edge dislocation can move by -----, whereas Screw dislocations can move by ------. 3. The -------- is the motion of the interface between two metals that occurs as a consequence of the difference in diffusion rates of the metal atoms. 4. Burger vector is used to denote ------- and -------- of dislocations. 5. The number of frenkel defect is proportional to ---. 6. Exciton can transport - without transporting 7. Frankel Defect is a type of -- defect. 8. As the temperature rises, the rate of vacancy diffusion in metals: a) increases, b) decreases, c) remains the same, d) may increase or decrease. 9. The following mechanism contributes very little the diffusivity. a)Vacancy, b)Interstitial, c)Substitutional, d)Self-diffusion. 10. In Fick's first law the concentration…

Stand in well lit room or outside. Hold the spoon by the handle just like you would when your are eating but flit it over so that the back of the spoon is facing you. Look at yourself in the curved end what do you look like

A rod has a 1.3-m-long section that is cast iron and a 2.6-m-long section that is aluminum as shown in the diagram below. The diameter of the cylindrical rod is 0.40 cm. Ycast iron = 100 x 1010 N/m2 and Yaluminum = 7 x 1010 N/m2. How much elongation is produced in the rod when it is subjected to a force of 4.3 × 103 N? cm 0,20 cm Rod 1 Rod 2 -1.3 m 2.6 m

11) The pressure in a tank of water is given by p = po + pgy. A student has a tall tank filled with 10 meters of water. The cross-sectional area of the tank is 20 cm by 20 cm. Take g = 10. The student measures the pressure at the bottom of the tank at the center of the bottom surface of the ta. Later it is noticed that the tank was not really level. It is tilted 10 degrees. How much did the small tilt affect the student's measurement of pressure. (Give a percent)

For the truss shown, determine thestress in members AC and BD. The cross sectional area of each member is 900 mm? 3m 30kN 70kN 16m

You have been warned to  set up a ladder with its base about 1/4 of its length from the wall.   However, since there are some things stored next to the wall you decide to ignore the advice and  set the base of the ladder out half its length from the wall instead.   The ladder is sitting on slippery old snow but It still  feels safe when you start up to clear your gutters after a week of storms. After you climb on you have added your weight to the ladder.   Which of these is a likely result?       You go about halfway up, the bottom starts to slip away from the wall as you lean forward to hold on, the ladder rotates faster and falls down completely.     You go up one rung and the base slips away from the wall.       Nothing happens.  It cannot slip once you are on it because your weight  increases the friction.     It slips a little when you first get on, so a friend adds weight to the base.  Once you are near the top it is very stable and cannot slip.

The total cross-sectional area of the load-bearing calcified portion of the two forearm bones (radius and ulna) is approximately 2.3 cm2. During a car crash, the forearm is slammed against the dashboard. The arm comes to rest from an initial speed of 80 km/h in 5.1 ms. If the arm has an effective mass of 3.0 kg, what is the compressional stress that the arm withstands during the crash? Pa

Which of the following is an example of an error due to instrument: A Air currents affect the balance or as water enters and leaves the specimen. B Reading a value in a flask at a different angle. Posture changes when measuring height. DWeighing scale is not properly maintained (poor maintenance).