ESE 2019 GS & EA Quiz 5

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Question 1

Which of the following statements is not true with regard to coral reefs?

• ACoral reefs are increasing in area everywhere.
• BCorals are formed by polyps.
• CCorals are the nurseries for hundreds of marine organisms
• DCoral bleaching is the biggest threat faced by reefs.

Question 2

A 15 kW motor drives a bar of boring machine of 30 mm diameter, twisting it through 0.01 radian, if the shear stress induced is 48 MPa and compressive stress is 57 MPa, the length of the bar whose G = 0.80 × 10⁵ MPa is

• A400 mm
• B350 mm
• C300 mm
• D250 mm

Question 3

Five men can paint a building in 20 days, 8 Women can paint the same building in 25 days and 10 Boys can paint it in 30 days. If a team has 2 men, 6 Women and 5 Boys, how long will it take to paint the building?

• A12 days
• B13 days
• C14 days
• D15 days

Question 4

If what is the value of

• A0
• B1
• C
• D

Question 5

Statement (I): Engineering as a profession is dedicated to five key values: safety, human progress, clean, clear decision making, community, partnership with nature.
Statement (II): The most important duty of an engineer is safety and well-being of the public.

• ABoth Statement (I) and Statement (II) are individually true and Statement (II) is the correct explanation of Statement (I)
• BBoth Statement (I) and Statement (II) are individually true but Statement (II) is not the correct explanation of Statement (I)
• CStatement (I) is true but Statement (II) is false
• DStatement (I) is false but Statement (II) is true

Question 6

In a software project, COCOMO (Cost Constructive Model) is used to estimate

• AEffort and duration based on the size of the software
• BSize and duration based on the effort of the software
• CEffort and cost based on the size of the software
• DSize, effort and duration based on the cost of the software

Question 7

Optical fibre operator on the principle of

• ATotal internal reflectance
• BTyndall effect
• CPhoton-electric effect
• DLaser technology

Question 8

The profits and the associated probability of making the profits are given below in respect of four projects:

When the motive is maximization of expected profit, the correct order of preference of these projects would be

• A1, 3, 4, 2
• B2, 3, 4, 1
• C3, 2, 1, 4
• D3, 4, 2, 1

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