BPUT M.Tech 3rd Semester Mechanical Engineering (Heat Power Engineering) Research Methodology Question Paper 2015 is given below. These questions were asked in the 3rd sem examination held in 2015 for the 2013-15 admission batch. Research Methodology is an elective subject. Different colleges choose different subject according to their choice. Best Text book for Research Methodology Paper is R. Paneerselven and R.P. Kothari.
3RD Semester Regular Examination
Research Methodology Question Paper 2015
Time: 3 Hours
Max marks: 70
Answer Question No.1 which is compulsory and any five from the rest.
The figures in the right hand margin indicate marks.
Q1. Answer the following questions:
a. Distinguish between Type I error and Type II error.
b. Highlight the differences between Nominal and Ordinal Scale with example.
c. What is the importance of chi-square test?
d. Distinguish between t- distribution and z- distribution.
e. Highlight the differences between open ended and close ended questionnaire.
f. What is the difference between null hypothesis and alternative hypothesis?
g. What is the formula of F-ratio in one way ANOVA?
h. What are the different steps involved in project report preparation?
i. What is the difference between Primary and secondary data?
j. What is the difference between Research methods and Research methodology?
Q2.
a) What do you mean by research? Discuss about different types of research.
b) What is a research problem? State the components of research problem.
Q3. Research process starts from problem definition to preparation of the report. Briefly describe the different steps involved in a research process.
Q4. Data collection is the backbone of business research. Discuss about the various techniques used for data collection.
Q5.
a) What is meaning of probability sampling? Discuss about simple random sampling, systematic sampling and stratified sampling.
b) Explain about Extraneous variable, Confounded relationship, Experimental groups and Treatments in the context of research design.
Q6. In an anti-malaria campaign in Bhubaneswar, Chloroquine was administered to 812 persons out of a total population of 3248. The number of fever cases is
shown below:
| Treatment | Fever | Non Fever | Total |
| With Chloroquine | 20 | 792 | 812 |
| With out chloroquine | 220 | 2216 | 2436 |
| Total | 240 | 3008 | 3248 |
Discus the usefulness of Chloroquine in checking malaria using Chi-square test H0- The chloroquine is not effective in checking malaria at confidence level of 95%.
Q7. Set up an analysis of variance table for the following per acre production data for three varieties of wheat, each on 4 plots and state if the variety difference are significant.
| Per Acre Production Data | |||
| Plot of land | Variety of Wheat | ||
| A | B | C | |
| 1 | 6 | 5 | 5 |
| 2 | 7 | 5 | 4 |
| 3 | 3 | 3 | 3 |
| 4 | 8 | 7 | 4 |
Q8. Write short notes on any two.
a. Factor Analysis
b. Multivariate Analysis
c. Non-Probability Sampling
d. Steps in writing report.