1251: If a block of gold weighing 100 gm in air is immersed in water with a string tied to a spring balance, what could be the probable weight indicated by the spring balance?
(a) Less than 100 gm
(b) Equal to 100 gm
(c) More than 100 gm
(d) Double of 100 gm
1252: In the map shown in the given figure, rivers labelled as 1, 2, 3 and 4 are respectively
(a) Kosi, Gomati, Ghaghara and Gandak
(b) Kosi, Ganga, Gomati and Ghaghara
(c) Gandak, Ganga, Gomati and Ghaghara
(d) Teesta, Gomati, Ghaghara and Kosi
1253: With reference to Indian history, which of the following is/are the essential elementy elements of the feudal system?
1. A very strong centralized political authority and a very weak provincial or local political authority
2. Emergence of administrative structure based on control and possession of land
3. Creation of lord-vassal relationship between the feudal lord and his overlord
Select the correct answer using the code given below.
(a) 1 and 2 only
(b) 2 and 3 only
(c) 3 only
(d) 1, 2 and 3
1254: With reference to the public Sector Undertaking in India, consider the following statements :
1. Minerals and Metals Trading Corporation of India Limited is the largest non-oil importer of the country.
2. Project and Equipment Corporation of India Limited is under the Ministry of Industry.
3. One of the objectives of Export Credit Guarantee Corporation of India Limited is to enforce quality control and compulsory pre-shipment inspection of various exportable commodities
Which of these statements is/are correct?
(a) 1 only
(b) 1 and 2
(c) 2 and 3
(d) 3 only
1255: What is the principle by which a cooling system (Radiator) in a motor car works ?
(a) Convection
(b) Conduction only
(c) Both conduction and radiation
(d) Radiation only