Consider the following differences between White Cement and Ordinary Portland Cement (OPC):

1. The amount of chromium, manganese, and iron compounds is significantly less in white cement in comparison to OPC
2. Production of white cement consumes significantly more energy in comparison to OPC

Which of the above statements is/are correct?

Which of the following are examples of revenue receipts of the Indian Government?

1. Money borrowed from World Bank at low interest rate
2. Interest received by government on loans given to other countries
3. Grants Received from a foreign country
4. Government earns through export of agricultural products

Select the correct option from the codes given below:

Consider the following pairs of instruments and their application in different measurements:

1. Sphygmomanometer : difference in vapor pressure of two liquids
2. Tachometer : rotation speed of a shaft or disk
3. Venturimeter : rate of flow of fluids through the pipe
4. Tonometer : pressure inside the eyes

How many of the above is / are correct pairs?

In recent times, "bad loans" are eating into bank profitability and eroding investor confidence. With this reference, consider the following statements:

1. A loan is termed as bad loan on which instalment remain overdue for a period of more than 90 days.
2. The SARFAESI Act provides banks with provisions to reduce their bad loans.

Which of the above statements is/are correct?

Which among the following can increase the incidence of Eutrophication in rivers and lakes?

1. Use of Fertilizers in nearby farms
2. Wastewater effluent
3. Runoff from abandoned mines

Choose the correct option from the codes given below: