Secretariat Assistant Examination 2013 Questions - 5

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--> 31. Bardeen and Shockley are related to the invention of:
(a) Transformer
(b) Tank
(c) Transistor
(d) Vacuum cleaner

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32.Father of Film grammar:
(a) D.W. Griftith
(b) Lumier Brothers
(c) Spielberg
(d) Walt Disney


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33. The theory of ........ was corrected by Heliocentric theory of Copemicus:
(a) Galileo
(b) Ptolemy
(c) Kepler
(d) Herschel


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34.One Acre = ..,.... Hector
(a) 2.50
(b) 0.404
(c) 0.25
(d)0.825

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35.Unit of resistance:
(a) Mho
(b) Ohm
(c) Hertz
(d) Dyne

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36.Amount of water in the atmosphere is known as:
(a) Density
(b) Gravity
(c) Humidity
(d) Humus

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37.What is known as the king of inventions?
(a) Steam engine
(b) Car
(c) Atom Bomb
(d) Nucleartission

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38.What is the voltage of electricity produced in power stations:
(a) 11KV
(b) 110K\/
(c) 230 V
(d) 110 V

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39.EIement used by India for Pokran explosion:
(a) Thorium
(b) Uranium
(c) Plutonium
(d) Polonium

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40. Solar energy is received by the earth through:
(a) Radiation
(b) Conduction
(c) Convection
(d) Refraction

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41. Electrolyte in a Voltaic cell:
(a) Dilute Sulphuric acid
(b) Sodium Chloride
(c) Lead
(d Ammoniam Chloride

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42.Atoms are electrically:
(a) Negative
(b) Positive
(c) Neutral
(d) None

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43. GoIden view of sea shell is due to:
(a) Diffraction
(b) Dispersion
(c) Polarization
(d) Reflection

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44.An electric motor is a device which converts:
(a) Mechanical energy into electrical energy
(b)Electrical energy into mechanical energy
(c) Alternating current into direct current
(d) Direct current into altemating current

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45.Thermal state of a body is defined by:
(a) Temperature
(b) Cold
(c) Heat
(d) None of the above

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46.Man is able to see both distant and near objects because:
(a) There are different parts in the lens to see near and distant objects
(b) The size of the pupil can be adjusted
(c) Lens is movable
(d) The lens can change its focal length

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47.The word ‘robot’ was coined by:
(a) Hawcking
(b) Joules Veme
(c) Karl Chapek
(d) George Eliot

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48.In pendulum clocks, if the pendulum is made of  temperature changes have no effect on its period: .
(a) Nichrome
(b) Tungsten
(c)lnvar
(d) Aluminium

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49.The smallest particle of a substance that can exist in free state are:
(a)Atoms
(b) ions
(c) Molecules
(d) Electrons

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50. Primary source of energy in earth:
(a) Water
(b) Winds
(c) Petrol
(d) Sun

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