AAI Technical Rapid Quiz-55

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Question 1

If m is the number of unknown member forces and c be the number of unknown components which is statically determinate with j being number of joints, then degree of internal indeterminacy will be:

• Am+3–2j
• Bm+c–2j
• Cc-3
• Dm+3+2j

Question 2

Multiple forces are acting on the bar as shown, Find the total moment around point X on the bar?

• A35 KNm
• B25KNm
• C55KNm
• D42KNm

Question 3

Match the following turbines with their specific speeds?
Turbine
A) Impulse turbine
B) Pelton wheel
C) Francis turbine
D) Kaplan turbine
Specific Speed
i. 100 - 300
ii. 1 – 10
iii. 3 – 6
iv. 10 – 100

• AA-ii B-iii C-iv D-i
• BA-i B-ii C-iii D-iv
• CA-iii B-ii C-iv D-i
• DA-iv B-iii C-i D-ii

Question 4

Among the following heat transfer method, which method will take place between surface and moving fluid at different temperatures?

• AConvection
• BConduction
• CRadiation
• DNone of these

Question 5

Carburizing flame is obtained with MAPP gas when oxyfuel ratio is:

• A2.2:1
• B3:2:1
• C4:5:6
• D3:4:5

Question 6

What is the degrees of freedom in the planar mechanism shown?

• A0
• B1
• C2
• D3

Question 7

For calculating hydraulic power for power station, the power expression be written as:

• AP = gρ/QH
• BP = g*ρ*Q*H
• CP = gρ+QH
• DP = g/ρ*Q*H

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