Automation System MCQ Questions & Answers | Computer Science

A. are less reliable than electro¬mechanical components

B. usually have a very short MTBF (mean time between failure)

C. have a very short infant mortality period

D. All of the above

E. None of the above

A. an output actuator

B. an input sensor

C. a position sensor

D. a sequence controller

E. None of the above

A. MC = N/2

B. MC = 2/N

C. MC = N squared.

D. MC -2 to the Nth power

E. None of the above

A. Op amp and resistors

B. Op amp and a capacitor

C. Op amp and an RC network to place the error voltage across the capacitor

D. All of the above

E. None of the above

A. discrete parts

B. continuous

C. batch

D. All of the above

E. None of the above

A. The iterative design method

B. The direct method

C. The design selection method

D. All of the above

E. None of the above

A. grouping the phosphor dots in a circular pattern

B. having each electron gun controlled by a composite signal

C. using an in-line gun arrangement with a solid metal mesh

D. having each electron gun controlled by separate signal

E. None of the above

A. require an external timer added by the user

B. is available on the standard CPU board

C. can be handled in software

D. both (b) and (c)

E. None of the above.

A. the same as a continuous process except a different controller must be used

B. often encountered in manufacturing

C. normally a repetitive series of operations

D. (b) and (c)

E. None of the above

A. will never be used in industrial controls

B. is already widely used in industrial controls

C. will be used in more applications as the technology matures.

D. All of the above

E. None of the above