MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 113 Mcqs, each offering curated multiple-choice questions to sharpen your Concrete Technology knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
The distribution which consists of all the values of sample statistic of sampling is classified as |
| A. | statistic distribution |
| B. | sampling distribution |
| C. | possibility distribution |
| D. | valuable distribution |
| Answer» C. possibility distribution | |
| 102. |
In statistical analysis, the sample size is considered large if |
| A. | n > or = 30 |
| B. | n < or = 30 |
| C. | n > or = 50 |
| D. | n < or = 50 |
| Answer» B. n < or = 30 | |
| 103. |
If the standard deviation of the population is 35 and the sample size is 9 then the standard deviation of sampling distribution is |
| A. | 12.67 |
| B. | 11.67 |
| C. | 13.67 |
| D. | 14.67 |
| Answer» C. 13.67 | |
| 104. |
In the systematic sampling, the value of k is classified as |
| A. | sampling interval |
| B. | sub stage interval |
| C. | secondary stage interval |
| D. | multistage interval |
| Answer» B. sub stage interval | |
| 105. |
The type of stratified proportion sampling in which the information is gathered on convenience basis from different groups of population is classified as |
| A. | purposive sampling |
| B. | judgment sampling |
| C. | quota sampling |
| D. | convenience sampling |
| Answer» D. convenience sampling | |
| 106. |
The parameters of population are denoted by the |
| A. | roman letters |
| B. | lower case Greek letter |
| C. | upper case Greek letter |
| D. | associated roman alphabets |
| Answer» C. upper case Greek letter | |
| 107. |
The mistakes or biases which are considered as causes of non-sampling errors must includes |
| A. | incorrect enumeration of population |
| B. | non random sample selection |
| C. | incomplete questionnaire |
| D. | all of above |
| Answer» E. | |
| 108. |
IF_THE_MOISTURE_CONTENT_OF_5_TO_10%_BY_WEIGHT,_THEN_THE_BULKING_OF_SAND_IS_INCREASED_BY___?$ |
| A. | 20 |
| B. | 30 |
| C. | 40 |
| D. | 50 |
| Answer» E. | |
| 109. |
When_sand_is_fully_dry_then_it’s_volume_is______$# |
| A. | Equal |
| B. | Less |
| C. | More |
| D. | Can’t say |
| Answer» B. Less | |
| 110. |
On cooling below 1250oC, C3S decomposes _? |
| A. | Fast |
| B. | Slowly |
| C. | Never |
| D. | Depends on the conditions |
| Answer» C. Never | |
| 111. |
Loss on Ignition (L.O.I.) is the loss in weight of cement after being heated to ___ |
| A. | 1000°C |
| B. | 100°C |
| C. | 500°C |
| D. | 1500°C |
| Answer» B. 100¬¨¬®‚Äö√†√ªC | |
| 112. |
What is the amount of Na2O & K2O in P.C. ? |
| A. | =.6% |
| B. | >>6% |
| C. | <6% |
| D. | 0 |
| Answer» D. 0 | |
| 113. |
What is the approx amount of lime is present in cement? |
| A. | 60-67% |
| B. | 70% |
| C. | 75% |
| D. | 60% |
| Answer» B. 70% | |