SSC JE Mechanical 2017- Daily Quiz 43

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Question 1

Inversion of a mechanism is_____.

• Achanging of a higher pair to lower pair
• BObtained by fixing different links in a kinematic chain
• CTurning it upside down
• DObtained by reversing the input and output motion

Question 2

If the relationship between the shear stress and the rate of shear strain (du/dy) is expressed as
then the fluid with exponent n > 1 is known as which one of the following?

• ABingham plastic
• BDilatant fluid
• CNewtonian fluid
• DPseudo plastic fluid

Question 3

Reaming is the operation of __________.

• Aenlarging the end of a hole cylindrically
• Bcone shaped enlargement of the end of a hole
• Csmoothing and squaring the surface around a hole
• Dsizing and finishing a hole

Question 4

The Solution in a transportation model (of dimension m x n) is said to be degenerate if it has

• Aexactly (m+ n -1) allocations
• Bfewer than (m + n - 1) allocations
• Cmore than (m + n - 1) allocations
• D(m x n) allocations.

Question 5

Which law of thermodynamics will be violated, if the thermal efficiency of an engine becomes 100%?

• AZeroth law
• BFirst law
• CSecond law
• DThird law

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