Accidental Errors Laws MCQs : This section focuses on the "Accidental Errors Laws". These Multiple Choice Questions (MCQs) should be practiced to improve the Accidental Errors Laws skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
Determine the probable error in a single measurement if the summation of the difference between mean and single observation is given as 8.76 in a series of 7 observations.
A. 0.98
B. 0.93
C. 9.08
D. 0.89
Question 2
Determine the probable error of measurements by using the different probable errors, which are given as 5.64, 2.98, 0.98 and 2.54.
A. 3.96
B. 9.63
C. 6.93
D. 9.36
Question 3
Find the number of observations if the mean square error and the summation of the difference between the individual and the mean series are given as 0.987 and 3.654.
A. 14
B. 12
C. 10
D. 9
Question 4
If the value of error due to the single measurement is 6.54 for 10 observations, then calculate the value of average probable error.
A. 2.086
B. 2.608
C. 0.268
D. 2.068
Question 5
Most probable value is equal to which of the following?
A. Differentiation
B. Summation
C. Arithmetic mean
D. Normal equation
Question 6
Probability curve describes about_______________
A. Normal equation
B. Frequency of errors
C. Probability curve
D. Probability equation
Question 7
The laws of accidental errors follow which of the following principle?
A. Normal equation
B. Probability law
C. Laws of weight
D. Most probable value
Question 8
The value of mean square error can be given as__________
A. (∑v2+n)1/2
B. (∑v2*n)1/2
C. (∑v/n)1/2
D. (∑v2/n)1/2
Question 9
What will be the mean square error, if the readings were given as 2.654, 2.987, 2,432 and 2.543.
A. 3.305
B. 0.335
C. 0.305
D. 30.35
Question 10
Which of the following does not indicate the feature in laws of accidental errors?
A. Negligible errors
B. Small errors
C. Large errors
D. Positive errors