Routh test

A Criterion provides information about the actual location of roots
B Cannot be used to test the stability of a control system containing transportation lag
C Criterion is not applicable to systems with polynomial characteristic equation
D Can not determine as to how many roots of the characteristics equation have positive real roots

Correct Answer: Cannot be used to test the stability of a control system containing transportation lag

Bissoy MCQ
#Chemical Engineering #Process Control And Instrumentation

Related Questions

If any term in the first column of a Routh array becomes zero, then
A Routh criterion cannot be used to determine stability
B Routh criterion can be used by substituting a small positive number for zero and completing the array
C Routh criterion can be used by substituting a big positive number for zero and completing the array
D Routh criterion can be used by substituting a small negative number for zero and complet-ing the array
Routh stability method uses __________ loop transfer function.
A Open
B Closed
C Either A or B
D Neither A nor B
A spherical body is symmetrical about its perpendicular axis. According to Routh's rule, the moment of inertia of a body about an axis passing through its centre of gravity is (where, M = Mass of the body and S = Sum of the squares of the two semi-axes.)
A $$\frac{{{\text{MS}}}}{3}$$
B $$\frac{{{\text{MS}}}}{4}$$
C $$\frac{{{\text{MS}}}}{5}$$
D None of these
Out of 7,500 applications for a recruitment test, 1,500 failed to appear for the test. What percent of the total applicants did appear for the test ?
A 25
B 50
C 75
D 80
? A players average test score on 4 tests is 78. What must be his score on a 5th test for average score on the test to be
A 82
B 84
C 86
D 88
A student scored 80 marks in his first test. After taking the third test, his average dropped from 82 to78 . What is the average of his 2nd and 3rd tests ?
A 57
B 76
C 77
D 78
For a certain student, the average of five test scores is 83. If four of the scores are 81,79,85 and 90 . What is the score of the fifth test ?
A 83
B 82
C 81
D 80
Against which test playing team Bangladesh had won the first cricket test series?
A Zimbabwe
B Scotland
C Sri Lanka
D West Indies
Babul attended five tests during the semester and the average of his test scores was 87. If has average score after first three tests were 85, what was the average of his 4th and 5th test?
A 88
B 89
C 90
D 93
Salam's average in four test is 80%. What mark does she need to score in her fifth test to make her average 84%?
A 100%
B 94%
C 84%
D 96%

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