AAI Technical Rapid Quiz-54

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Question 1

Perpetual motion machine of second kind violates the

• AFirst law of thermodynamics
• BKelvin-plank statements
• CClausius statement
• DThird law of thermodynamics

Question 2

A plot between power generated in MW and time is known as _________.

• ALoad curve
• BLoad duration curve
• CLoad factor
• DDemand curve

Question 3

Temperature of steam at round 540C can be measure by __________.

• Athermometer
• Bradiation-pyrometer
• Cthermistor
• Dthermopile

Question 4

Consider the following theories of failure:
A) Maximum stress theory
B) Maximum strain theory
C) Maximum shear stress theory
D) Maximum energy or distortion theory
The most suitable for ductile material is

• AA and B
• BA and C
• CA and D
• DC and D

Question 5

The design of thin cylindrical shells is based on _____.

• AHoop stress
• BLongitudinal stress
• CVolumetric stress
• DAverage of hoop and longitudinal loops.

Question 6

If a more stiff spring is used in Hartnell governor, then the governor will be ____.

• Amore sensitive
• Bless sensitive
• Csensitively remains unaffected
• Disochronous

Question 7

The degree of reaction of a steam turbine is the ratio between the enthalpy drops in

• Amoving blades and that in the stage
• Bmoving blades and that in the nozzle
• Cin the nozzle and that in the moving blades
• Din the nozzle and that in the stage

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