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AAI ATC 2018 Crash Quiz 4

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Question 1

From the given options ,which figure can be formed by folding the figure given in the question ?
Question figure :

Answer Figure

Question 2

In the following question, select the odd number from the given alternatives.

Question 3

In the following question, select the odd word pair from the given alternatives.

Question 4

The Saruhashi Prize is an annual prize awarded to a Japanese woman researcher in the ________.

Question 5

Select the incorrectly spelt word.

Question 6

In the sentence, identify the segment which contains the grammatical error.

And still this turns out to be poor preparation for dealing with the everyday embarrassments of being human.

Question 7

An engineer asked his students that if two masses 3 kg and 5 kg are suspended from a perfectly rigid horizontal support by a system of three taut massless wires W₁, W₂, and W₃ as shown in the figure. All the three wires have identical cross sections and elastic properties and are known to be very strong.

If the mass 5 kg is increased gradually, but without limitation, we should expect the wires to break in the following order.

Question 8

An ideal gas reversible engine operated in a closed cycle. The P-V diagram is shown below. Find out the efficiency of the reversible engine assuming both specific heats, C_P and C_V as constants. Assume

and

Question 9

N sources of current with different emf of cells are connected as shown in figure. The emf of the sources are proportional to their internal resistances, i.e.

, where

is an assigned constant. The lead wire resistance is negligible. Find the current in the circuit and the potential difference between points A and B dividing the circuit in n and N-n links.