Related Questions

Which two of the following are legal declarations for abstract classes and interfaces?
1. final abstract class Test {}
2. public static interface Test {}
3. final public class Test {}
4. protected abstract class Test {}
5. protected interface Test {}
6. abstract public class Test {}
Velocity of a dog is 15 units in the positive X direction and 3 units in positive Y direction starting from the origin. Velocity of a pig is 7 units in the positive Y direction and 17 units in the positive X direction starting from the origin. What is the relative velocity of the dog with respect to the pig?
A married couple adopted a male child. A few years later, twin boys were born to them. The blood group of the couple is AB positive and O negative. The blood group of the three sons is A positive, B positive, and O positive. The blood group of the adopted son is
When a certain positive integer P is divided by another positive integer, the remainder is $${r_{1}}$$ . When a second positive integer Q is divided by the same integer, the remainder is $${r_{2}}$$ and when (P + Q) is divided by the same divisor, the remainder is $${r_{3}}$$ . Then the divisor may be :
At the university entrance exam, a candidate is admitted according to whether he has passed or failed the test. Of the candidates who are really capable, 80 % pass the test and of the incapable, 30 % pass the test. Given that 40 % of the candidates are really capable, then the proportion of the really capable students who can pass the test to the total students who can pass is about ?
If the coli form bacteria is present in a sample of water, then the coli-form test to be conducted is
(i) Presumptive coli-form test
(ii) Confirmed coli-form test
(iii) Completed coli-form test
In the context of tensile test of a ductile alloy, the following observations were made. Choose the correct ones from the following observations:
P. Per cent elongation is independent of the dimensions of the test specimens.
Q. The number of necking instabilities are different in cylindrical and sheet specimens.
R. The range of strain rates to be used for 'static tensile test' is 10-1 to 10-5 s-1.
R. The yield stress is independent of the temperature of the test.
Test reliability is
1. ability of the test to measure the variable under study.
2. consistency of scores obtained by the same person when retested with the same test.
3. ability of the test to measure large number of variables.
Select the correct answer:
Statement I A hypothesis test for comparing the variances of two independent populations with the help of variances of two small samples is known as chi-square test.
Statement II To test the hypothesis that the population standard deviation has a specific value on the basis of the values of sample standard deviation of small sized sample, F-test isrelevant.
Which of the following tests are not used to test the routine quality of food products?
1. Objective method.
2. Ranking for intensity test.
3. Difference test.
4. Scoring for intensity test.