Engineering MCQs

When does one decides to re-engineer a product ?

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A. when tools to support restructuring are disabled
B. when system crashes frequently
C. when hardware or software support becomes obsolete
D. subsystems of a larger system require few maintenance
✅ The correct answer is option C.
Explanation: Re-engineering involves putting in the effort to make the system easier to maintain

Which perspective in system modelling shows the system or data architecture ?

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A. Structural perspective
B. Behavioral perspective
C. External perspective
D. All of the mentioned
✅ The correct answer is option A.
Explanation: Structural perspective is used to define the static structure of classes in a system and their associations.

In an ideal impulse turbine, the

by
absolute velocity at the inlet of moving blade is equal to that at the outlet
relative velocity at the inlet of the moving blade is equal to that at the outlet
axial velocity at inlet is equal to that at the outlet
whirl velocity at inle
✅ The correct answer is option B.