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ISRO Technical Assistant Mechanical 2019
17

ISRO Technical Assistant Mechanical Question Paper - 2019 (Set-2) with Answer Key

17) In a flat belt drive, the centrifugal tension in the belt

Increases the power transmitted

Decreases the power transmitted

Has no effect on the power transmitted

Is equal to maximum tension on the belt

Answer is:

Has no effect on the power transmitted

ISRO Technical Assistant Mechanical Question Paper - 2019 (Set-2) with Answer Key

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18) Two shafts ''A'' and ''B'' are made of same material. The shaft ''A'' is of diameter D and shaft ''B'' is of diameter D/2. The strength of shaft ''B'' is _____ as that of shaft ''A''.

one-eighth

one-fourth

one-half

four times

Answer is:

one-eighth

19) A spur gear with pitch circle diameter D has number of teeth T. The module m is defined as

m=D/T

m=T/D

m=(PixD)/T

m=PixDxT

Answer is:

m=D/T

A spur gear with pitch circle diameter D has number of teeth T. The module m is defined as

20) Lewis equations in spur gears is used to find the

Tooth axial stress

Bending stress

Shear stress

Fatigue stress

Answer is:

Bending stress

Lewis equations in spur gears is used to find the

21) The tapered roller bearings can take

Radial load only

Axial load only

Both radial and axial loads

None of these

Answer is:

Both radial and axial loads

ISRO Technical Assistant Mechanical Question Paper - 2019 (Set-2) with Answer Key

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17) In a flat belt drive, the centrifugal tension in the belt

Has no effect on the power transmitted

ISRO Technical Assistant Mechanical Question Paper - 2019 (Set-2) with Answer Key

Related ISRO Technical Assistant Mechanical Question Paper - 2019 (Set-2) with Answer Key

18) Two shafts ''A'' and ''B'' are made of same material. The shaft ''A'' is of diameter D and shaft ''B'' is of diameter D/2. The strength of shaft ''B'' is _____ as that of shaft ''A''.

one-eighth

19) A spur gear with pitch circle diameter D has number of teeth T. The module m is defined as

m=D/T

20) Lewis equations in spur gears is used to find the

Bending stress

21) The tapered roller bearings can take

Both radial and axial loads

ISRO Technical Assistant Mechanical Question Paper - 2019 (Set-2) with Answer Key