Questions 61–70 of 326. Imported answers require independent review unless marked reviewed.

Topic practice 326 questionsPage 7 of 33

Question 32

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An ideal two-stage rocket has identical specific impulse and structural coefficient for its two stages. For an optimized rocket, the two stages have identical payload ratio as well. The payload is 2 tons and the initial mass of the rocket is 200 tons. The mass of the second stage of the rocket (including the final payload mass) is ____ tons.
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Question 33

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A gaseous fuel mixture comprising 3 moles of methane and 2 moles of ammonia is combusted in X moles of pure oxygen in stoichiometric amount. Assuming complete combustion, with only CO

, H

O and N

in the product gases, the value of X is ____. The displayed reaction is: 3 CH

+ 2 NH

+ X O

→ Products (CO

, H

O, N

).
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Question 36

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A lifting surface has a spanwise circulation distribution of

(where

) over its span

, and

is the spanwise coordinate. Furthermore, the downwash varies along the span as

, where

is the free stream velocity. Which one of the following options represents total lift (

) and induced drag (

)?
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Question 37

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A 1 m long rod is to be designed to support an axial tensile load

(

weight of the rod). The material for the rod is to be chosen from one of the four provided in the table. Using strength-based failure criterion for design, which material results in the lowest weight of the rod?
Properties
Material α
Material β
Material γ
Material δ
Density (kg/m

)
2700
450
780
900
Young’s modulus (GPa)
70
115
200
130
Yield Strength (MPa)
270
900
520
540
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Question 1

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If ‘→’ denotes increasing order of intensity, then the meaning of the words [dry → arid → parched] is analogous to [diet → fast → ______ ]. Which one of the given options is appropriate to fill the blank?
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Question 2

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If two distinct non-zero real variables

and

are such that

is proportional to

then the value of

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Question 3

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Consider the following sample of numbers:
9, 18, 11, 14, 15, 17, 10, 69, 11, 13
The median of the sample is
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Question 4

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The number of coins of ₹1, ₹5, and ₹10 denominations that a person has are in the ratio 5:3:13. Of the total amount, the percentage of money in ₹5 coins is
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Question 5

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For positive non-zero real variables

and

, if

, then, the value of

is
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Question 6

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GAMCQ2 marksNeeds review
In the given text, the blanks are numbered (i)–(iv). Select the best match for all the blanks.
Steve was advised to keep his head (i) ______ before heading (ii) ______ to bat; for, while he had a head (iii) ______ batting, he could only do so with a cool head (iv) ______ his shoulders.
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