SSC JE Mechanical 2017- Daily Quiz 31

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Question 1

The difference in the Potential energies between two arbitrary positions downward displacement .(> )

• A
• B
• C
• D

Question 2

The number of degrees of freedom in the 3 link mechanism shown below is given by

• A1
• B2
• C3
• D0

Question 3

Two systems have the same wet bulb temperature at 20 °C. System “A” has Dry bulb temperature of 25 °C since it has a relative humidity of 65%. System “B” has a relative humidity of 30%. What will be its dry bulb temperature?

• A23 °C
• B25 °C
• C27 °C
• D22 °C

Question 4

The function of a washer is

• ATo fill the axial gap
• BTo provide cushioning effect
• CTo absorb shocks and vibrations
• DTo provide bearing area

Question 5

For infinite parallel planes with emissivities and , the interchange factor for radiation from surface 1 to surface 2 is given by

• A
• B
• C
• D

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