SSC JE Mechanical 2017- Daily Quiz 14

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Question 1

A steel bar free to expand is heated from 15^oC to 40^oC. Nature of the stress which will induced in the bar after heating?

• ATensile stress
• BCompressive stress
• CShear stress
• DNo stress

Question 2

Slope of constant pressure line on temperature entropy diagram is given by.

• A
• B
• C
• D

Question 3

For a 4 bar linkage in toggle position, the value of mechanical advantage is?

• A0
• B0.5
• C1
• D

Question 4

The relationship between Modulus of elasticity (E) and Modulus of rigidity (G) is.

• A
• B
• C
• D

Question 5

The knocking tendency in compression ignition engines increases with_____.

• AIncrease of coolant water temperature
• BIncrease of temperature of inlet air
• CDecrease of compression ratio
• DIncrease of compression ratio

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