How does planned maintenance improve system reliability?
What will be an ideal response?
Prevent breakdowns by replacing worn parts and making needed adjustments on a regular schedule.
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An aluminum ball is shot from a cannon. As it leaves the muzzle of the cannon, the ball has a temperature of 100oC and a velocity of 250 m/s. Experiencing no air resistance, the ball hits a target and drops to a velocity of 0. Assuming that there is no heat lost in the process, what is the temperature of the aluminum ball after the ball comes to rest?
Given: Al; T1 = 100oC; V1 = 250 m/s; V2 = 0 Assume: Q = W = ?PE = 0; the Aluminum is an incompressible substance with constant specific heats: c = 0.903 kJ/kg-K = 903 J/kg-K What will be an ideal response?
Compare the benefits of urban food growing to the challengesCompare the benefits of urban food growing to the challenges
What will be an ideal response?
A quantizer accepts a continuous-time input signal and responds with a continuous-time output signal that only has a finite number of equally spaced values. If xin(t) is the input signal and xout(t) is the output signal and q is the difference between adjacent output levels, the value of x out (t) at any point in time can be computed by forming the ratio xin(t)/q, rounding it off to the nearest integer and then multiplying the result by q. Let the range of the signal levels accepted by the quantizer be from ?10 to +10 and let the number of quantization levels be 16. Find the numerical total harmonic distortion (see Example 6.4 in Chapter 6) of the quantizer output signal if the input signal is xin(t) = 10 sin (2000?t).
What will be an ideal response?
A vehicle involved in a collision is first brought into the shop, where a(n) _________________________ is prepared to calculate the cost of repairs.
Fill in the blank(s) with the appropriate word(s).