Design of Steel Structures

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Code No: A107320103 Set No. 1 JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD III B.Tech. II Sem., I Mid-Term Examinations, March – 2010 DESIGN OF STEEL STRUCTURES Objective Exam Name: ______________________________ Hall Ticket No. A Answer All Questions. All Questions Carry Equal Marks.Time: 20 Min. Marks: 20. I

Choose the correct alternative:

1.

Main advantage of steel member is that it (A) Has high strength and long life (B) Can be replaced easily

(C) Is water tight and gas leak proof 2.

A strut is a (A) Flexible member (D) tension member

[

]

[

]

(D) All the above

D L

(B) compression member (C) torsion member

R O

3.

The tensile strength of steel used in mild steel section ranges in between (A) 1400 to 1800 kg/cm2 (B) 1400 to 1500 kg/cm2 (C) 4200 to 5400 kg/cm2 (D) 5500 to 5800 kg/cm2

[

]

4.

Junction between the flange and web of a beam is known as (A) Lap joint (B) butt joint (C) fillet (D) shear joint

[

]

5.

Foe rivet diameter up to 25mm, the diameter of rivet hole is larger than the diameter of rivet by [ ] (A) 1mm (B) 5mm (C) 2mm (D) 2.5mm

6.

Slenderness ratio of a compression member is the ratio of effective length of member to the [ ] (A) Critical load (B) radius of gyration (C) area of cross section (D) weight of section

7.

The maximum deflection for a simply supported beam should not exceed [ (A) 1/325 span (B) 1/525 span (C) 1/225 span (D)none of the above

]

8.

The maximum shear stress of steel member in flexure shall not exceed (A) 0.4fy (B) 0.66fy (C) 0.5fy (D) 0.45fy

[

]

9.

Slenderness ratio of a column will be (A) L x r (B) L/r (C) (L + r2)

[

]

W U

T N

J

(D) √L/r Cont….2

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Code No:

A107320103

:2:

Set No. 1

10.

The maximum slenderness ratio of compression member carrying loads resulting from dead loads and superimposing loads is [ ] (A) 100 (B) 180 (C) 150 (D) 200

II

Fill in the Blanks

11.

Steel is __________ material

12.

A beam is defined as a structural member subjected to ____________ loading.

13.

For short columns, the slenderness ratio is less than __________

14.

Maximum allowable deflection of steel beams for ordinary building of span L is _________.

15.

ISI has adopted the _________ formula for the determination of allowable stress in axial compression.

16.

Maximum slenderness ratio of compression member of steel under live load and dead load only is ____________.

17.

Minimum thickness of steel structure under directly exposed weather and for proper maintenance is _________.

18.

When the wind load is considered in designing of steel structure the permissible stress is exceeded by _________%.

19.

According to I.S 800-1971 there is no futher need for stiffening the web plate for d/tw ratio upto _________.

20.

A welded joint fails earlier than riveted joint, if the structure is under ________ stresses.

D L

R O

W U

T N

J

-oOo-

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Code No: A107320103 Set No. 2 JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD III B.Tech. II Sem., I Mid-Term Examinations, March – 2010 DESIGN OF STEEL STRUCTURES Objective Exam Name: ______________________________ Hall Ticket No. A Answer All Questions. All Questions Carry Equal Marks.Time: 20 Min. Marks: 20. I

Choose the correct alternative:

1

Junction between the flange and web of a beam is known as (A) Lap joint (B) butt joint (C) fillet (D) shear joint

2.

Foe rivet diameter up to 25mm, the diameter of rivet hole is larger than the diameter of rivet by [ ] (A) 1mm (B) 5mm (C) 2mm (D) 2.5mm

3.

Slenderness ratio of a compression member is the ratio of effective length of member to the [ ] (A) Critical load (B) radius of gyration (C) area of cross section (D) weight of section

4.

The maximum deflection for a simply supported beam should not exceed (A) 1/325 span(B) 1/525 span (C) 1/225 span (D)none of the above

5.

The maximum shear stress of steel member in flexure shall not exceed (A) 0.4fy (B) 0.66fy (C) 0.5fy (D) 0.45fy

6.

Slenderness ratio of a column will be (A) L x r (B) L/r (C) (L + r2)

[

]

D L

R O

W U

T N

J

[

]

[

]

[

]

(D) √L/r

7.

The maximum slenderness ratio of compression member carrying loads resulting from dead loads and superimposing loads is [ ] (A) 100 (B) 180 (C) 150 (D) 200

8.

Main advantage of steel member is that it (A) Has high strength and long life (B) Can be replaced easily

[

]

[

]

(C) Is water tight and gas leak proof (D) All the above 9.

A strut is a (A) Flexible member (D) tension member

(B) compression member (C) torsion member

Cont….2

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Code No:

A107320103

:2:

Set No. 2

10.

The tensile strength of steel used in mild steel section ranges in between (A) 1400 to 1800 kg/cm2 (B) 1400 to 1500 kg/cm2 (C) 4200 to 5400 kg/cm2 (D) 5500 to 5800 kg/cm2

[

]

II

Fill in the Blanks

11.

Maximum allowable deflection of steel beams for ordinary building of span L is _________.

12.

ISI has adopted the _________ formula for the determination of allowable stress in axial compression.

13.

Maximum slenderness ratio of compression member of steel under live load and dead load only is ____________.

14.

Minimum thickness of steel structure under directly exposed weather and for proper maintenance is _________.

15.

When the wind load is considered in designing of steel structure the permissible stress is exceeded by _________%.

16.

According to I.S 800-1971 there is no futher need for stiffening the web plate for d/tw ratio upto _________.

17.

A welded joint fails earlier than riveted joint, if the structure is under ________ stresses.

18.

Steel is __________ material

19.

A beam is defined as a structural member subjected to ____________ loading.

20.

For short columns, the slenderness ratio is less than __________

D L

R O

W U

T N

J

-oOo-

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Code No: A107320103 Set No. 3 JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD III B.Tech. II Sem., I Mid-Term Examinations, March – 2010 DESIGN OF STEEL STRUCTURES Objective Exam Name: ______________________________ Hall Ticket No. A Answer All Questions. All Questions Carry Equal Marks.Time: 20 Min. Marks: 20. I

Choose the correct alternative:

1.

Slenderness ratio of a compression member is the ratio of effective length of member to the [ ] (A) Critical load (B) radius of gyration (C) area of cross section (D) weight of section

2.

The maximum deflection for a simply supported beam should not exceed (A) 1/325 span(B) 1/525 span (C) 1/225 span (D)none of the above

[

]

3.

The maximum shear stress of steel member in flexure shall not exceed (A) 0.4fy (B) 0.66fy (C) 0.5fy (D) 0.45fy

[

]

4.

Slenderness ratio of a column will be (A) L x r (B) L/r (C) (L + r2)

[

]

D L

R O

W U

(D) √L/r

5.

The maximum slenderness ratio of compression member carrying loads resulting from dead loads and superimposing loads is [ ] (A) 100 (B) 180 (C) 150 (D) 200

6.

Main advantage of steel member is that it (A) Has high strength and long life (B) Can be replaced easily

T N

J

[

]

[

]

(C) Is water tight and gas leak proof (D) All the above 7.

A strut is a (A) Flexible member (C) tension member

(B) compression member (C) torsion member

8.

The tensile strength of steel used in mild steel section ranges in between (A) 1400 to 1800 kg/cm2 (B) 1400 to 1500 kg/cm2 (C) 4200 to 5400 kg/cm2 (D) 5500 to 5800 kg/cm2

[

]

9.

Junction between the flange and web of a beam is known as (A) Lap joint (B) butt joint (C) fillet (D) shear joint

[

]

Cont…2

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Code No:

A107320103

:2:

Set No. 3

10.

Foe rivet diameter up to 25mm, the diameter of rivet hole is larger than the diameter of rivet by [ ] (B) 1mm (B) 5mm (C) 2mm (D) 2.5mm

II

Fill in the Blanks

11.

Maximum slenderness ratio of compression member of steel under live load and dead load only is ____________.

12.

Minimum thickness of steel structure under directly exposed weather and for proper maintenance is _________.

13.

When the wind load is considered in designing of steel structure the permissible stress is exceeded by _________%.

14.

According to I.S 800-1971 there is no futher need for stiffening the web plate for d/tw ratio upto _________.

15.

A welded joint fails earlier than riveted joint, if the structure is under ________ stresses.

16.

Steel is __________ material

17.

A beam is defined as a structural member subjected to ____________ loading.

18.

For short columns, the slenderness ratio is less than __________

19.

Maximum allowable deflection of steel beams for ordinary building of span L is _________.

20.

ISI has adopted the _________ formula for the determination of allowable stress in axial compression.

D L

R O

W U

T N

J

-oOo-

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Code No: A107320103 Set No. 4 JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD III B.Tech. II Sem., I Mid-Term Examinations, March – 2010 DESIGN OF STEEL STRUCTURES Objective Exam Name: ______________________________ Hall Ticket No. A Answer All Questions. All Questions Carry Equal Marks.Time: 20 Min. Marks: 20. I

Choose the correct alternative:

1.

The maximum shear stress of steel member in flexure shall not exceed (A) 0.4fy (B) 0.66fy (C) 0.5fy (D) 0.45fy

2.

Slenderness ratio of a column will be (A) L x r (B) L/r (C) (L + r2)

D L

(D) √L/r

R O

[

]

[

]

3.

The maximum slenderness ratio of compression member carrying loads resulting from dead loads and superimposing loads is [ ] (A) 100 (B) 180 (C) 150 (D) 200

4.

Main advantage of steel member is that it (A) Has high strength and long life (B) Can be replaced easily

W U

(C) Is water tight and gas leak proof 5.

]

[

]

(D) All the above

T N

A strut is a (A) Flexible member (D) tension member

[

(B) compression member (C) torsion member

J

6.

The tensile strength of steel used in mild steel section ranges in between (A) 1400 to 1800 kg/cm2 (B) 1400 to 1500 kg/cm2 (C) 4200 to 5400 kg/cm2 (D) 5500 to 5800 kg/cm2

[

]

7.

Junction between the flange and web of a beam is known as (A) Lap joint (B) butt joint (C) fillet (D) shear joint

[

]

8.

Foe rivet diameter up to 25mm, the diameter of rivet hole is larger than the diameter of rivet by [ ] (A) 1mm (B) 5mm (C) 2mm (D) 2.5mm

9.

Slenderness ratio of a compression member is the ratio of effective length of member to the [ ] (A) Critical load (B) radius of gyration (C) area of cross section (D) weight of section Cont….2 www.jntuworld.com

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Code No:

A107320103

:2:

Set No. 4

10.

The maximum deflection for a simply supported beam should not exceed [ (A) 1/325 span (B) 1/525 span (C) 1/225 span (D)none of the above

]

II

Fill in the blanks

11.

When the wind load is considered in designing of steel structure the permissible stress is exceeded by _________%.

12.

According to I.S 800-1971 there is no futher need for stiffening the web plate for d/tw ratio upto _________.

13.

A welded joint fails earlier than riveted joint, if the structure is under ________ stresses.

14.

Steel is __________ material

15.

A beam is defined as a structural member subjected to ____________ loading.

16.

For short columns, the slenderness ratio is less than __________

17.

Maximum allowable deflection of steel beams for ordinary building of span L is _________.

18.

ISI has adopted the _________ formula for the determination of allowable stress in axial compression.

19.

Maximum slenderness ratio of compression member of steel under live load and dead load only is ____________.

20.

Minimum thickness of steel structure under directly exposed weather and for proper maintenance is _________.

D L

R O

W U

T N

J

-oOo-

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