Both bias errors and precision errors can propagate. TRUE OR FLASE
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- 2-Errors due to manufacturing defects in the instrument is called as Aging Error. Select one: O True O FalseFind a set of solutions: Integrating Factors found by Inspection. 1. y(2xy + 1)dx - xdy = 0 2. y(x+ - y2)dx + x (x + y2)dy = 0 3. (x*y3 + 1)dx + x*y?dy 0 4. y(x?y? - 1)dx + x(x²y2 + 1)dy = 0 5. y(2x + y?)dx + x(y2 - x)dy = 0 6. y(3x - x + y)dx + x2(1- x2)dy = 0 7. y(3x3 – x + y)dx + x(1-x2)dy = 0 8.y?(1 - x)dx + x(x+y + 2x + y) = 0In systematic errors ,the error will lie on either sides of the true value. Select one: True O False
- QUESTION 1 Solve the following differential equation in Matlab using ode45.m. Use time interval of 0.1 second. (Don't use options in ode45 to change teh tolerance.) d²x (1) +x(t) dx(1) dt +x(t)=0 dx x(0) = 0, =1. dt =0 What is x(t=0.8)? 0.653 ○ 0.726 ○ 0.498 0.547 ○ 0.651 ○ 0.895Chapter 3: 13. What type of geometric tolerance has no datum features? 14. A theoretically exact dimension is called a 15. The feature symbol specifies that a group of two or more interrupted features of size are to be considered one single feature of size. 16. For an individual regular feature of size, no element of the feature shall extend beyond the maximum material condition boundary (envelope) of perfect form. This statement is the essence of 17. What is the name of the symbol used to identify physical features of a part as a datum feature and must not be applied to centerlines, center planes, or axes? 18. The is the condition in which a feature of size contains the maximum amount of material within the stated limits of size. 19. The total positional tolerance equals the sum of the tolerance and the tolerance.QUESTION 2 Solve the following differential equation in Matlab using ode45.m. Use time interval of 0.1 second. (Don't use options in ode45 to change teh tolerance.) d²x(t) dt² x(0)-1, +x²=0 dx dt #L- =1. =0 What is dx/dt (t=2.5)? -0.217 -1.32 0.432 0.556 -0.485 ○ 0.120
- antuitive methodology (seize and fox) noting they will be different. olowing cases, find the degrees-of-freedom using KMOGE (Identify L. h. Jz and M) and using the em 3: KMOGE has conditions under which it simply produces the wrong answer. In each of the A. L= Mseize and Fix B L = MKMOGE = Mseize and Fix J = MEMOGE Msetze and Fix12q Read the following statement and choose the most appropriate answers. Statement 1 Closeness of the output reading for the same input reading for repetitive reading over a short time with the different observer is known as precision. Statement 2 During the measurement process how close the output reading of the instrument to the correct value is known as accuracy. Statement 1 is false and the statement 2 is true Both Statements are true Both Statements are false Statement 1 is true and the statement 2 is FalseSteel rule follows indirect measurement method to find physical dimensions of basic physical quantities. Select one: True False
- a) Three blocks A, B, and C and a grooved block D have dimensions a, b, c, and d as follows: a= 1.500 ± 0.001 in b= 2.000 ± 0.003 in c= 3.000 ± 0.004 in d= 6.520 ± 0.010 in Determine the mean gap  ̄w and its tolerance. Determine the mean size of d that will assure that w ≥ 0.010 in. b) A 1-in-diameter rod, 3 ft long, of unknown material is found in a machine shop. A variety of inexpensive nondestructive tests are readily available to help determine the material, as described below with results in bracket: i. Visual inspection. (Dark gray, rough surface finish, moderate scale) ii. Check if it is attracted to a magnet. (Yes) iii. Measure Weight. (7.95lbf) iv. Inexpensive bending deflection test: Clamp one end in a vise, leaving 24 in cantilevered. (5/16in) v. Brinell hardness test. (HB = 200)Which of the following is true of measurement error? a meanurement enor in an independent variable is uncorrelated with other independent variables, all estimators are biased. b.it measurement error in a dependent variable is comelated with the independent variables, the ordinary least squares estimators are unbiased C It measurement error in an independent varlable is uncorrelated with the variable, the ordinary least squares estimators are unblased. a.if measurement error in a dependent varlable has zera mean, the ordinary least squares estimators for the intercept are biased and inconsistent.b) Figure 1 shows the calibration data of a sensor. Determine the static sensitivity at the input of X= 0, X= 5 and X= 10. For which input values is the system more sensitive? Calibration Data 300 250 y = 0.875x1.055 200 150 100 50 20 40 60 80 100 120 Input value, cm Figure 1 c) Suppose you found a dial thermometer in a stockroom. Discuss several methods by which you might estimate random and systematic error in the thermometer? How would you estimate its uncertainty? Output value, V