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AAI Technical Rapid Quiz-27

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Question 1

For a liquid if the velocity is increased twice and diametre of the pipe is decreased one fourth then ratio of Reynold’s number will be

Question 2

The total emissivity power is defined as the total amount of radiation emitted by a black body per unit time per unit ............

Question 3

The strength of the beam mainly depends on

Question 4

In order to facilitate the starting of locomotive in any position, the cranks of a locomotive with two cylinders are placed at following angle to each other ___________.

Question 5

The desirable properties for a refrigerant include

Question 6

Reheat factor for a multi-stage steam turbine is the ratio of:

Question 7

In case of laminar flow through pipes, the radial distance from the pipe wall at which local velocity is equal to average velocity is given by

(where R is the radius of the pipe)

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