51. Boiling temperature of carbon dioxide at atmospheric pressure is __________ °C.
52. Silicon percentage in the silicon steel used for electrical appliances/equipments is
53. Silicon percentage in the silicon steel used for electrical appliances/equipments is
54. Endurance is a measure of fatigue limit of a metal. Fatigue crack in nitrided machine parts originates
55. The type of water filter normally employed/ preferred for treating small quantities of water in railway stations and individual industries is the __________ filter.
56. A simple closed grinding circuit may consist of
57. Which of the following is categorised as the plastic welding?
58. Ferrites are __________ magnetic.
59. The most prominent single cause of corrosion in boilertubes, drums, economisers and steam superheaters in a thermal power plant boiler is the
60. Which of the following emissions in the exhaust gas of an I.C. engine causes the formation of photochemical smog?
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- Chemical Engineering Basics - Section 13