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AAI Technical Rapid Quiz-14
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Question 1
Which of the following is the application of cascade refrigeration system
Question 2
For a slab having thickness x cm and area of heat transfer A and thermal conductivity of k. if I cover one side of slab with an insulating material then with increase in thickness of insulation the heat transfer varies as
Question 3
Match List-I (process) with List-II (predominant parameter associated with the process) and select the correct answer using the codes given below:
List-I:
(A). Mass transfer
(B). Forced convection
(C). Free convection
(D). Transient conduction
List-II:
(1). Reynolds number
(2). Sherwood number
(3). Mach number
(4). Biot number
(5). Grashoff number
List-I:
(A). Mass transfer
(B). Forced convection
(C). Free convection
(D). Transient conduction
List-II:
(1). Reynolds number
(2). Sherwood number
(3). Mach number
(4). Biot number
(5). Grashoff number
Question 4
In thick film hydrodynamic journal bearing coefficient of friction µ
Question 5
Fluidity of liquid metal in a spiral test can be increased by
Question 6
A long column is subjected to axial loading. Which of the following load produces the condition of elastic instability.
Question 7
The Whitworth quick return mechanism is formed in a slider-crank chain when the_____.
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