AAI Technical Rapid Quiz-10

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Question 1

Consider the following devices:
1. Internal combustion engine working on Otto cycle
2. Internal combustion engine working on Diesel cycle
3. Gas turbines
4. Steam turbines
In which of the above devices, the equation is not applicable?

• A2 and 3
• B1 and 4
• C3 and 4
• D1 and 2

Question 2

The fusible plug of a boiler is an example of

• ASafe life approach
• BFail safe approach
• CReliability approach
• DMaintainability approach

Question 3

In theory of simple bending an assumption is made that plane sections before bending remain plane even after bending. This assumption implies that

• AStrain is uniform across the section
• BStress is uniform across the section
• CStress in any layer is proportional to its distance from the neutral axis
• DStrain in any layer is directly proportional to its distance from the neutral axis

Question 4

The strength of a single point cutting tool depends upon:
1. The clearance angle
2. The rake angle
3. The lip angle

• A1 and 2 only
• B1 and 3 only
• C2 and 3 only
• D1, 2 and 3

Question 5

Internal Energy of an ideal gas is a function of only

• APressure
• BTemperature (absolute)
• CVolume
• DPressure & Temperature

Question 6

The purpose of flywheel in an IC engine is-

• ATo regulate the fuel supply
• BTo increase the power capacity of the engine
• CTo reduce the vibration in the engine
• DNone of the above

Question 7

The direction of motion of the driven gear of a simple gear train having an odd number of idler gears will be

• ASame as that of the driving gear
• BOpposite to that of the driving gear
• CDependent upon the number of teeth on the driving gear
• DDependent upon the number of teeth on the driven gear

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