# Practice Test: Question Set - 02

**1. Wire rope are used in applications with**

- (A) Low
speed and low tension

- (B) Low
speed and high tension

- (C) High
speed and high tension

- (D) High
speed and low tension

**2. Euler’s equation is valid if**

- (A)

*P*

_{cr}/

*A*<

*S*

_{yt}/2

- (B)

*P*

_{cr}/

*A*>

*S*

_{yt}/2

- (C)

*P*

_{cr}/

*A*=

*S*

_{yt}/2

- (D)

*P*

_{cr}/

*A*= 100

Where *P*_{cr}, *A* and *S*_{yt} are
critical buckling load, cross-sectional area and yield strength respectively.

**3. Which of the following wire ropes will be flexible?**

- (A) 6 × 19

- (B) 6 × 7

- (C) 6 × 37

- (D) Any
one of the above

**4. When the wire rope passes around the sheave or drum, the stress is maximum**

- (A) In
outer wires

- (B) In
inner wires

- (C) In
central wires

- (D) None
of the above

**5. In 6 × 19 designation of wire rope, the numbers 6 and 19 respectively for**

- (A) Number
of strands and diameter of wire rope

- (B) Diameter
and length of wire rope

- (C) Number
of strands and number of wires in each strand

- (D) Thickness
and width of cross-section of wire rope

**6. A machine component is designed as a column when it is subjected to,**

- (A) Axial
tensile force

- (B) Bending
moment

- (C) Axial
compressive force

- (D) Torsional
moment

**7. Compression member tends to buckle in the direction of**

- (A) Axis
of load

- (B) Any
direction in a plane perpendicular to axis of load

- (C) Least
radius of gyration in a plane perpendicular to axis of load

- (D) None
of the above

**8. Simple compression formula is valid for slenderness ratio**

- (A) More than 30

- (B) Less than 30

- (C) Equal to 30

- (D) More than 40

**9. A column made of brittle material is considered as long column when the slenderness ratio is**

- (A) More than 80

- (B) Less than 80

- (C) Less than 30

- (D) More than
100

**10. Johnson’s equation is valid if**

- (A)

*P*

_{cr}/

*A*<

*S*

_{yt}/2

- (B)

*P*

_{cr}/

*A*>

*S*

_{yt}/2

- (C)

*P*

_{cr}/

*A*=

*S*

_{yt}/2

- (D)

*P*

_{cr}/

*A*= 100

Where, *P*_{cr}, *A* and *S*_{yt} are
critical buckling load, cross-sectional area and yield strength
respectively.

**11. Popular lay for wire rope is**

- (A) Regular
lay

- (B) Lang’s lay

- (C) Any
one of the above

- (D) None
of the above

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