Engineering, 17.02.2020 17:20 xxtonixwilsonxx
Which of the following is NOT correct regarding the factor of safety? a. The greater the factor of safety, the safer the system (with respect to failure). b. The factor of safety is a ratio of the allowable load to the failure load. c. The factor of safety is used to account for uncertainties resulting from the variability of both the material's properties and the loading that must be supported. d. The factor of safety used in the design of aircraft or space vehicle components may be close to 1.
Answers: 3
Engineering, 03.07.2019 14:10
If the thermal strain developed in polyimide film during deposition is given as 0.0044. assume room temperature is kept at 17.3 c, and thermal coefficient of expansion for the film and the substrate are 54 x 10^-6c^-1 and 3.3 x 10^-6c^-1respectively. calculate the deposition temperature.
Answers: 3
Engineering, 04.07.2019 18:10
Thermal stresses are developed in a metal when its a) initial temperature is changed b) final temperature is changed c) density is changed d) thermal deformation is prevented e) expansion is prevented f) contraction is prevented
Answers: 2
Engineering, 04.07.2019 18:10
Which of the following components of a pid controlled accumulates the error over time and responds to system error after the error has been accumulated? a)- proportional b)- derivative c)- integral d)- on/off.
Answers: 2
Engineering, 04.07.2019 18:10
Manometers are good examples of measuring instruments, nowadays they are not as common as before. a)-capacitive probe gauges b)-gravitational gauges deformation ) gauges d)-digital gauges
Answers: 1
Which of the following is NOT correct regarding the factor of safety? a. The greater the factor of s...
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