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Recently added practice questions

3681. The relative permittivity of rubber is____________?
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A. between 5 and 6

B. between 12 and 14

C. between 8 and 10

D. between 2 and 3
3682. The relative permeability of materials is not constant
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A. diamagnetic

B. insulating

C. ferromagnetic

D. paramagnetic

3683. The relative heat absorption for successively added equal areas of boiler convection heating surfaces____________________?
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A. first decreases and then increases

B. first increases and then decreases

C. decreases

D. increases

E. remains unaffected

3684. The relation, Sc = Pr = 1, is valid, when the mechanism of ______________ transfer is same?
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A. Heat, momentum and mass

B. Mass and momentum

C. Heat and mass

D. Heat and momentum

3685. The reinforcement of new culture, by the organizations manager can be concluded in?
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A. refreezing stage

B. moving stage

C. nonmoving stage

D. unfreezing stage

3686. The region in which cementum formation is most rapid is_____________?
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A. Coronal

B. Interradicular

C. Middle

D. Apical

3687. The region between the separation streamline and the boundary surface of the solid body is known as__________________?
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A. wake

B. boundary layer

C. drag

D. aerofoil section

E. lift

3688. The region between the separation streamline and the boundary surface of the solid body is known as_________________?
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A. lift

B. wake

C. drag

D. boundary layer

E. aerofoil section

3689. The refinancing rate is ?
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A. The interest rate at Which commercial banks lend to and borrow from each other

B. The interest rates the public pays when borrowing from banks

C. The interest rate the European Central Bank pays on reserves

D. He interests rate banks pay on the publics deposits

E. The interest rates the European Central Bank charges on loans to banks
3690. The reduction ratio for grinders is defined as (where, Df and Dp are average diameters of feed and product respectively) ?
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A. Df/Dp

B. Df Dp

C. Dp/Df

D. None of these

3691. The reduction in project time normally results in_______________?
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A. increasing the direct cost and decreasing the indirect cost

B. decreasing the direct cost and increasing indirect cost

C. decreasing the direct cost and indirect cost both

D. increasing the direct cost and indirect cost both

3692. The reduced levels of the string at the consecutive sight rails A and B are 203.575 m, 203.475 m respectively. If the difference of their R.D.s is 10 m, the gradient of the sewer line is_________________?
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A. 1 in 503 upward

B. 1 in 100 downward

C. 1 in 100 upward

D. 1 in 500 upward

3693. The red zones of lips have_____________?
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A. very small number of sebaceous glands, if any

B. 30% Sebaceous glands

C. 75% sebaceous glands

D. Absolutely no sebaceous glands

3694. The rectified spirit is________________?
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A. 95% alcohol

B. 100% alcohol

C. 12% alcohol

D. 90% alcohol

3695. The rectangular voltage is an example of____________________?
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A. Continuous wave form

B. An analogue waveform

C. Electronic waveform

D. A digital waveform
3696. The record of countrys imports and exports of goods and services is called its ?
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A. balance of payments.

B. visible trade balance

C. balance of trade

D. balance of payments on current account

3697. The reciprocal of stripping factor is termed as ________________________?
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A. Absorption factor

B. Murphree efficiency

C. Selectivity index

D. Relative volatility

3698. The receptor cells of the olfactory epithelium are__________________?
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A. Multipolar neurons

B. Unipolar neurons

C. Bipolar neurons

D. Stellate cells

3699. The reason why a catalyst increases the rate of reaction is that, it______________?
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A. Increases the activation energy

B. Decreases the molecular collision diameter

C. None of these

D. Decreases the energy barrier for reaction
3700. The reason for supercharging in any engine is to________________?
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A. none of the above

B. reduce weight and bulk for a given out-put

C. increase efficiency

D. increase power

E. effect fuel economy

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