UPSC Civil Service Exam Questions - Section 1 (5)

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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.

33.

A plot of land 60°m x 20 m is measure steel tape. If the standard error of length width measurements is taken as ± 1 cm, the standard error of the area of the plot be

A.	± 0.1414 m2
B.	± 0.566 m2
C.	± 0.632 m2
D.	± 0.8484 m2

Answer: Option C

Explanation:

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

34.

A cylindrical shell made of mild steel plate of 100 cm diameter is to be subjected to an internal pressure of 10 kg/cm². If the material yields at 2000 kg/cm², assuming factor of safety as four and using maximum principal stress theory, thickness of the plate will be

A.	5 mm
B.	10 mm
C.	15 mm
D.	20 mm

Answer: Option B

Explanation:

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

35.

In the force system shown in the figure, the force CA should be

35-230

A.	5 t
B.	- 5 t
C.	4 t
D.	- 4 t

Answer: Option A

Explanation:

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

36.

.	Consider the following statements : A : In masonry, bricks are joined together by cement mortar. B : Cement mortar adheres more effectively to brick surface than any other material.

A.	both A and R are true and R is the correct explanation of A
B.	both A and R are true but R is not the correct explanation of A
C.	A is true but R is false
D.	A is false but R is true

Answer: Option D

Explanation:

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

37.

The following steps are involved in making a spigot and socket joint of cast iron pipes used in water supply systems :
1. Tarred gasket or hemp yarn in wrapped around the spigot.
2. The sipgot end is centered into the socket end of the preceding pipe.
3. A joining ring end is placed around the barrel and against the face of the socket.
4. The gasket or hemp yarn in caulked slightly.
5. Molten pig lead is poured and then caulked.
The correct sequence of these steps is

A.	2, 1, 4, 3, 5
B.	2, 1, 3, 4, 5
C.	1, 2, 4, 5, 3
D.	1, 2, 3, 5, 4

Answer: Option C

Explanation:

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

38.

The absolute maximum Bending Moment in a simply supported beam of span 20 m due to moving udl of 4 t/m spanning over 5 m is

A.	87.5 t-m at the support
B.	87.5 t-m near the midpoint
C.	3.5 t-m at the midpoint
D.	87.5 t-m at the midpoint

Answer: Option D

Explanation:

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

39.

According to ICAO recommendations, what is the rate of elevation correction for the runway above MSL ?

A.	1 % for every 100 m of elevation above MSL
B.	7 % for every 300 m of elevation above MSL
C.	2 % for every 500 m of elevation above MSL
D.	2 % for every 300 m of elevation above MSL

Answer: Option B

Explanation:

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

40.

The plastic modulus of a section is 5 x 10^-4m³. Its shape factor is 1.2 and the plastic moment capacity is 120 kNm. What is the value of the yield stress of the material ?

A.	100 N/mm2
B.	200 N/mm2
C.	240 N/mm2
D.	288 N/mm2

Answer: Option C

Explanation:

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

UPSC Civil Service Exam Questions - Section 1 (5)

UPSC Civil Service Exam Questions - Section 1

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