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ISRO Technician-B
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ISRO Technician-B Fitter 2016
19

ISRO Technician-B Fitter Question Paper - 2016 (Set - 3) with Answer Key

19) Which one of the following is trapezoidal thread?

Acme

Square

buttress

All of the above

Answer is:

Acme

Explanation:

Acme thread is trapezoidal thread.

Which one of the following is trapezoidal thread?

ISRO Technician-B Fitter Question Paper - 2016 (Set - 3) with Answer Key

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20) Rolling friction is

Lesser than sliding friction

More than sliding friction

Equal to sliding friction

Equal to kinetic friction

Answer is:

Lesser than sliding friction

21) Which of the following statements are true 1. Stress and Pressure are measured in units of Load/Area 2. Intensity of Pressure at a point is same in all directions whereas Stress depends on load and direction. 3. Pressure and Stress are scalar.

1 and 3 only

1, 2, 3

1 and 2 only

2 and 3 only

Answer is:

1 and 2 only

22) Poisson's ratio of which of t he following materials is nearly zero.

Rubber

Aluminium

Cork

Steel

Answer is:

Cork

Explanation:

Poisson's ratio is defined as the ratio of Lateral strain and longitudinal strain.

Poisson's ratio of which of t he following materials is nearly zero.

23) The stress developed in a thin spherical shell (thickness t and diameter D) subjected to an internal pressure P is:

(PD/4t)

(PD/2t)

(PD/t)

(PD/8t)

Answer is:

(PD/4t)

ISRO Technician-B Fitter Question Paper - 2016 (Set - 3) with Answer Key

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19) Which one of the following is trapezoidal thread?

Acme

ISRO Technician-B Fitter Question Paper - 2016 (Set - 3) with Answer Key

Related ISRO Technician-B Fitter Question Paper - 2016 (Set - 3) with Answer Key

20) Rolling friction is

Lesser than sliding friction

21) Which of the following statements are true 1. Stress and Pressure are measured in units of Load/Area 2. Intensity of Pressure at a point is same in all directions whereas Stress depends on load and direction. 3. Pressure and Stress are scalar.

1 and 2 only

22) Poisson's ratio of which of t he following materials is nearly zero.

Cork

23) The stress developed in a thin spherical shell (thickness t and diameter D) subjected to an internal pressure P is:

(PD/4t)

ISRO Technician-B Fitter Question Paper - 2016 (Set - 3) with Answer Key