1. Regenerative cooling may use propellant to absorb heat from a rocket’s combustion chamber before combustion.
2. Additive manufacturing necessarily eliminates the need for non-destructive inspection.
3. Carbon-fibre composites can possess different strength characteristics in different directions.
Which of the statements given above are correct?
Answer: (b)
Explanation: Regenerative cooling uses propellant as a coolant, and composites can be anisotropic. Additive manufacturing can introduce hidden defects and therefore requires stringent inspection.
1. The President specifies Scheduled Tribes separately for states and Union Territories.
2. Parliament may modify a notified Scheduled Tribe list.
3. Every community notified as a Scheduled Tribe in one state automatically receives the same status throughout India.
Which of the statements given above are correct?
Answer: (b)
Explanation: Scheduled Tribe recognition is territorial and state-specific. Parliament, rather than a state government, can amend the notified lists.
1. Cell
2. Ingot
3. Module
4. Polysilicon
5. Wafer
Select the correct answer using the code given below.
Answer: (a)
Explanation: Purified polysilicon is formed into ingots, sliced into wafers, processed into cells and interconnected within modules.
1. HDL participates in transporting cholesterol towards the liver.
2. Triglycerides are the body’s principal stored form of fat.
3. Cholesterol has no physiological function and is entirely a metabolic waste product.
Which of the statements given above are correct?
Answer: (b)
Explanation: Cholesterol is necessary for membranes, hormones and bile acids. Health risks arise from abnormal levels and transport patterns.
| Initiative or term | Description |
|---|---|
| 1. PM MITRA | Integrated textile-manufacturing parks |
| 2. Man-made fibre | Fibre necessarily derived only from petroleum |
| 3. Inverted duty structure | Input duties exceeding duties on the finished product |
| 4. Export credit insurance | Protection against specified export-payment risks |
How many pairs are correctly matched?
Answer: (c)
Explanation: Pairs 1, 3 and 4 are correct. Man-made fibres include synthetic fibres and regenerated fibres derived from substances such as cellulose.
| Place | Associated fact |
|---|---|
| 1. Darwin | Exercise Pitch Black |
| 2. Falkland Islands | South Atlantic Ocean |
| 3. Mount Olympus | Greece |
| 4. Malayadipatti | Tamil Nadu |
How many pairs are correctly matched?
Answer: (d)
Explanation: All four geographical associations are correct.
1. The Consumer Price Index includes services consumed by households.
2. The Wholesale Price Index includes the retail prices of all services.
3. The GDP deflator covers domestically produced final goods and services.
4. Core inflation normally excludes food and fuel because of their volatility.
Which of the statements given above are correct?
Answer: (b)
Explanation: The WPI primarily covers goods and does not provide comprehensive service-price coverage.