objective civil engineering

objective civil engineering
civil engineering objective questions
civil engineering objective papers
Objective MCQ Civil Engineering

1. A unit of equipment costs Rs. 25 Lakh and has a life of 5 years with no salvage value. The average annual cost of this equipment based on straight-line depreciation is

A Rs. 25 Lakh

B. Rs. 10 Lakh

C. Rs. 15 Lakh

D. Rs. 20 Lakh

2. Consider the following characteristics regarding timber

I. Stronger variety

2. Ability to take very smooth finis

3. Toughness

4. Difficult to season

Which of the above characteristic is/are essential for timber to be used as beams?

A 1 only

B 2 and 3

C. 3and 4

D. 1 and 3

3.Which one of the following statements is correct as, regards tensile strength of wood?

A. Minimum in the direction parallel to the grains

B. Maximum in the direction parallel to the grains

C. Maximum in the direction across the grains

D. Same in all direction

4. A structural member carrying a pull of700 kN is connected to a gusset plate using rivets of 20 mm diameter. If the pull required for shearing the rivets, to crush the rivets and to tear the plate per pitch length are 60 kN, 35 kN and 70 kN respectively, then the number of rivets required is

A 12

B. 18

C. 20

D. 22

5. The maximum per cent of mement redistribution allowed in RCC beam is

A10%

B.20%

C. 30%

D. 40%

6. A four-wheel tractor whose operating weight is 13,000 kg is pulled along a haul read having a slope of 4% at a uniform speed with a rolling resistance of 10 kg/ton for 1% slope. The tension in the toe cable is 1105 kg. The rolling resistance of the haul road is

A. 35 kg/ton

B. 45 kg/ton

C. 55 kg/ton

D. 65 kg/ton

7. Consider the following statements:

If there is a state of pure shear t at a point then

1. The Mohr’s circle is tangential is the y-axis.

2. The centre of the Mohr’s circle coincides with the origin.

3. Unlike principal stresses are each numerically equal to t.

4. Principal stresses are like.

Which Of the above statements is/are correct?

A 1 only

B. 1  and2

C 2 and 3

D. 3 and 4

8. The advantage in using plywood is that the

A Tensile strength is equal in all directions

B. Higher tensile strength in longer direction

C. Higher tensile strength in shorter direction

D. Lower tensile strength is longer direction

9. In the limit state method, balanced design of a reinforced concrete beam gives

A. Smallest concrete section and maximum area of reinforcement

B. Largest concrete section and maximum area of reinforcement

C. Smallest concrete section and minimum area of reinforcement

D. Largest concrete section and minimum area of reinforcement

10. A belt designated as Hex bolt M 16 x 70 NL will have

A Diameter of 16 mm V

B. Diameter of 70 mm

C. Length of 16 mm V

D. Cross-sectional area of 16 x 70 cm Square

11. Consider the following statements:

1. Bricks lose their strength by 25% when soaked in water.

2. Minimum crushing strength of brick in buildings should be 35 kg/cm Square.

3. The size of modular type bricks is 20 cm x 10 cm x 10 cm including mortar thickness.

Which of the above statements are correct?

A. 1, 2and 3

B. 1 and 2 only

C. 1 and 3 only

D. 2 and 3 only

12. The correct statement in respect of a centrifugal pump is

A. The discharge varies in direct proportion to speed as also square of the diameter

B. The head varies as the square of the speed as also of the square of the diameter

C. The discharge varies in inverse proportion to speed as also the cube of the diameter

D. The power varies as the head and square of the diameter.

13. A three-hinged symmetrical arch is loaded as shown in figure

Which one of the following is the magnitude of the correct horizontal thrust ?

A P4/3

B. P

C P3/4

D. P3/8

14.A point in two-dimensional stress state. subjected to biaxial stress is shown in figure.

What is the normal stress acting on the plane AB?

A Zero

B.?

C. ? sin ? . cos ?

D. ?cos² ?

15. A simple plane truss acted upon by a load 2P at the apex A is shown.

The axial force in the member AB is ?

A P

B. ?2P

C P?3/2

D. ?3P

Answers

1 C
2 D
3 B
4 C
5 C
6 B
7 C
8 A
9 C
10 A
11 D
12 B
13 B
14 B
15 B

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