UPSC Civil Service Exam Questions - Section 1 (4)

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UPSC Civil Service Exam Questions - Section 1

If you are looking for UPSC Civil Service Exam
Questions, then you are at right place. In this section you will find all the important MCQs on
this field.

25.

A locomotive has four pairs of driving wheels carrying an axle load of 24 x 10⁴ N. The maximum load that can be pulled if the coefficient of friction is 1/6, is

A.	32 x 10 4 N
B.	16 x 10 4 N
C.	8 x 10 4 N
D.	4 x 10 4 N

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

26.

The shear force diagram of a beam is shown in the given figure. The absolute maximum bending moment in the beam is

71-997

A.	(2P x a)
B.	(5P x a)
C.	(4P x a)
D.	(7P x a)

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

27.

The figure refers to a channel section of uniform thickness of 1 cm used as a beam with the cross-sectional dimensions shown in cm units. If the Moment of Inertia of channel I_xx be equal to 246 cm⁴ and C be the shear centre, then the value of e in cm is equal to

09-104

A.	1.5
B.	2.5
C.	2.25
D.	1.67

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

28.

The ratio of total elongation of a bar of uniform cross-section produced under its own weight to the elongation produced by an external load equal to the weight of the bar is

A.	2
B.	1
C.	1/2
D.	1/4

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

29.

Which of the following factors are associated with the behaviour of sand mass during earthquake to cause liquefaction ?
1. Number of stress cycles
2. The frequency, and amplitude of vibration of waves generated by an earthquake
3. Characteristics of sand
4. Relative density
Select the correct answer using the codes given below :

A.	1, 2 and 3
B.	1, 2, 3 and 4
C.	2 and 4
D.	3 and 4

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

30.

A cold drawn seamless steel tubing subject to internal pressure, has a diameter of 6 cm and wall thickness of 0.2 cm. The ultimate strength of steel is 3600 kg/cm². The bursting pressure (in kg/cm²) is

A.	120
B.	240
C.	480
D.	960

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

31.

In a tilted aerial photograph, if the swing is 230°, then the rotation angle is equal to

A.	140°
B.	130°
C.	50°
D.	25°

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

32.

The graphical condition for equilibrium of concurrent forces is that

A.	both the force polygon and the funicular polygon must be closed figures
B.	funicular polygon should be a closed figure
C.	force polygon need not be a closed figure
D.	force polygon should be a closed figure

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

UPSC Civil Service Exam Questions - Section 1 (4)

UPSC Civil Service Exam Questions - Section 1

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