61.The element of Electric Stove is made of:
 A. copper
 B. invar
 C. magnalium
 D. nicrome
 
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62.The shipping Corporation of india Limited was formed in:
 A. 1952
 B. 1950
 C. 1976
 D. 1981
 
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63.The water of which one of the following lakes is used for producing salt?
 A. Barapani
 B. Kolleru
 C. Loktak
 D. Sambhar
 
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64.Which one of the following is the weakest force?
 A. Gravitational Force
 B. Electromagnetic Force
 C. Nuclear Force
 D. Electrostatic Force
 
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65.The method of protecting iron from rusting, by coating a thin layer of zinc is called:
 A. galvanizing
 B. rancidity
 C. alloy
 D. pulverizing
 
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66.The metal which can be deformed permanently by heat and pressure is called:
 A. Thermoplastic
 B. Thermoset
 C. Chemical compound
 D. Polymer
 
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67.436 × 17 × 3 ÷ 32 =
 A. 694.857
 B. 694.875
 C. 694.758
 D. 694.775
 
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68.The average attendance of a college for the first three days of a week is 325 and first four days is 320.How many were present on the fourth day?
 A. 300
 B. 315
 C. 350
 D. 305
 
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69.Which of the following element is electronegative?
 A. fluorine
 B. Oxygen
 C. Magnesium
 D. Calcium
 
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70.‘Histology’ is the study of:
 A. Bones
 B. Coins
 C. Tissues
 D. History
 
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