World Geography

1.	The minor planets revolving between the orbits of Jupiter and Mars are called
	A. Novas B. Comets C. Meteors D. Asteroids

2.	The lowermost and the oldest epoch of the Tertiary Period of geologic time is
	A. Pliocene B. Palaeozoic C. Holocene D. Palaeocene 3.  The luminous coloured ring, surrounding the sun is called the A. nebula B. comet C. asteroid D. corona

4.	The longest ship canal in the world is the
	A. St. Laurence Seaway (USA and Canada) B. Suez canal, Egypt C. Kiel canal, Germany D. Panama canal, Central America 5.  The major geological events of the Palaeozoic era include A. Caledonian mountain rise, life comes ashore B. Appalachians and Central European mountains come up C. both (a) and (b) D. None of the above

Environmental Engineering

1.

Suspended solid present in the waste water generated in blast furnace gas cooling and cleaning plant is removed by

A. biological oxygen pond. B. radial settling tank (thickener) using coagulant (lime & ferrous sulphate). C. lagoons. D. filtration. 2.  Persons working in cement plants and limestone quarries are more prone to disease like A. cancer B. asthma C. silicosis D. flourosis (bone disease) 3.  Particulates (< 1μm size) remaining suspended in air indefinitely and transported by wind currents are called A. fumes B. mists C. smoke D. aerosols 4.  Operating principle of cyclone separator is based on the action of __________ dust particles. A. diffusion of B. centrifugal force on C. gravitational force on D. electrostatic force on

5.	Exposure to small amount of __________ results in high blood pressure & heart disease in human beings.
	A. hydrogen sulphide B. mercury C. cadmium D. asbestos

Petroleum Refinery Engineering

1.  Diesel used in naval applications has a minimum cetane number of A. 25 B. 35 C. 45 D. 65

2.	Which of the following tests is not done for transformer oil ?
	A. Flash point and acid value. B. Aniline point. C. Dielectric strength. D. Copper strip corrosion test. 3.  Which is the most undesirable component in kerosene ? A. Aromatics B. i-paraffins C. n-paraffins D. Naphthenes

4.

Pick out the wrong statement about the smoking tendency of various hydrocarbon constituents of kerosene.

A. Smoking tendency of hydrocarbons increases in the order : paraffins → isoparaffins → naphthenes → aromatics. B. Smoking tendency of paraffins increases with decrease in its molecular weight. C. Smoking tendency of naphthenes decreases with its increasing molecular weight & also on addition of double bond. D. Smoking tendency of aromatics decreases with increase in its molecular weight. 5.  Solvent used in duo-sol extraction for lube oil upgradation is a mixture of A. propane & phenol-cresol mixture. B. methyl ethyl ketone & glycol. C. phenol & furfural. D. propane & liquid sulphur dioxide.