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Recently added practice questions

4781. The entrepreneurs undertake new development activities :
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A. By investing their savings

B. By roping in rich capitalists

C. By securing credit from the banks

D. By securing grants from the government

4782. The entrance and exit curves of a rotary have_______________?
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A. equal radii but pavement width is more at entrance than at exit curve

B. different radii and different widths of pavement

C. equal radii and equal widths of pavement

D. equal pavement widths but radius is more at entrance curve than at exit curve

4783. The Enlightenment in European history refers to which of the following ?
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A. The power given to absolute monarchs by God

B. A period in the 18th century that celebrated industry

C. The revelation of religious truths through meditation

D. A period in which reason was celebrated as enabling human knowledge and possibly human perfection
4784. The engineers and scientists analytical jobs needs?
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A. creativity

B. problem solving

C. training

D. Both A and B
4785. The energy radiated is directly proportional to the fourth power of Kelvins temperature is________________?
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A. Stephens law

B. Plancks

C. Rayleigh-Jeans law

D. Karl-Weins law

4786. The energy radiated from a surface Q at absolute temperature T is related as__________________?
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A. None of these

B. Q ? T3

C. Q ? T4

D. Q ? T2

4787. The energy of molecular motion appears as________________?
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A. potential energy

B. friction

C. increase in pressure

D. surface tension

E. heat
4788. The energy of activation of a chemical reaction ?
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A. Is same as heat of reaction at constant pressure

B. Is the minimum energy which the molecules must have before the reaction can take place

C. Varies as fifth power of the temperature

D. Both B. and C.

4789. The energy distribution of an ideal reflector at higher temperatures is largely in the range of ___________________?
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A. longer wavelength

B. wavelength has nothing to do with it

C. none of the above

D. shorter wavelength

E. remains same at all wavelengths

4790. The ends of a cylindrical vessel can be closed by a head, which can be one of the four shapes. For the same thickness, choose the one which can withstand the highest pressure ?
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A. Flat plate

B. Torispherical

C. Ellipsoidal

D. Hemispherical

4791. The encapsulation of transistor is necessary for__________?
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A. preventing radio interference

B. avoiding loss of free electrons

C. mechanical ruggedness

D. preventing photo-emission effects

4792. The enamel has no capacity of self repair because______________?
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A. It has no direct connection with the active cells of the dental pulp

B. Its formative cells are lost once it is completely formed

C. It is essentially a keratin tissue and has no blood vessels

D. It has only a small percent of organic content

4793. The emphasis on rural virtues__________________?
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A. gave urban dwellers an inferiority complex

B. is based on stereotypes

C. helped democratic representation in the states

D. has been reinforced by recent studies

4794. The emission of an a-particle causes the resultant nucleus to have____________________?
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A. More atomic weight and less atomic number

B. Less atomic weight and more atomic number

C. Less atomic weight and less atomic number

D. None of these

4795. The emission of an a-particle causes the resultant nucleus to have____________________?
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A. Less atomic weight and less atomic number

B. Less atomic weight and more atomic number

C. More atomic weight and less atomic number

D. None of these

4796. The emigration of highly skilled and educated professionals and technical man power from developing to developed countries?
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A. Brain Drain

B. All

C. Capital flight

D. Immigration

4797. The emf of a Deniell cell Zn | Zn2+ || Cu2+ | Cu can be increased by_________________?
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A. Decreasing the surface area of the electrodes

B. Increasing the concentration of copper sulphate solution

C. Increasing the surface area of the electrodes

D. Increasing the concentration of zinc sulphate solution

4798. The emf induced in a coil by a changing magnetic flux may have unit as______________?
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A. kgms2A-1

B. kgm2s-1A-1

C. ms-1A

D. ms-2A-1

4799. The emergence of the sate as a result of a social contract is the hypothesis found in the work of________________?
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A. Talcott Parsons

B. Thomas Hobbes

C. Karl Marx

D. Jean-Jacques Rousseau

4800. The Elitist theory holds that the power is always concentrated in the hands of: _________?
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A. Military class

B. Priestly class

C. Civil Servants

D. A small group of elites

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