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JKSSB JE Civil Mock Test - 7 - Civil Engineering (CE) MCQ


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30 Questions MCQ Test - JKSSB JE Civil Mock Test - 7

JKSSB JE Civil Mock Test - 7 for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The JKSSB JE Civil Mock Test - 7 questions and answers have been prepared according to the Civil Engineering (CE) exam syllabus.The JKSSB JE Civil Mock Test - 7 MCQs are made for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for JKSSB JE Civil Mock Test - 7 below.
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JKSSB JE Civil Mock Test - 7 - Question 1

If two shafts are connected in parallel combination, then which of the following quantity is same for both the shafts?

Detailed Solution for JKSSB JE Civil Mock Test - 7 - Question 1

Shafts in parallel combination- driving torque is applied at the junction of the shafts. Angle of twist is same for both the shafts but the applied torque is divided.

JKSSB JE Civil Mock Test - 7 - Question 2

RDSO stands for,

Detailed Solution for JKSSB JE Civil Mock Test - 7 - Question 2

Central Standards Office (CSO) and the Railway Testing and Research Centre (RTRC) were integrated into a single unit named Research Designs and Standards Organisation (RDSO) in 1957, under Ministry of Railways at Lucknow.

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JKSSB JE Civil Mock Test - 7 - Question 3

Which of the following soil has least value of specific gravity (Gs)?

Detailed Solution for JKSSB JE Civil Mock Test - 7 - Question 3

For most of the soils the value of specific gravity (Gs) lies between 2.65 to 2.8. Coarse grained soils have lower values. Soils having organic matter has very low values which may fall below 2. Soil rich in iron or mica show higher values.

JKSSB JE Civil Mock Test - 7 - Question 4

Which of the following is not an example of activity?

Detailed Solution for JKSSB JE Civil Mock Test - 7 - Question 4

The start or end of an activity is called an event. Lathe installed is example of an event as it shows completion of an activity.

JKSSB JE Civil Mock Test - 7 - Question 5

Launching apron is,

Detailed Solution for JKSSB JE Civil Mock Test - 7 - Question 5

Launching apron- stone cover placed on the bed of the river. It is an arrangement of packed stones which covers the base and side of the scour hole, preventing it from developing further.

JKSSB JE Civil Mock Test - 7 - Question 6

Strain is a,

Detailed Solution for JKSSB JE Civil Mock Test - 7 - Question 6

Strain is a deformation caused by stress.

JKSSB JE Civil Mock Test - 7 - Question 7

Continuity equation satisfies the condition that,

Detailed Solution for JKSSB JE Civil Mock Test - 7 - Question 7

Continuity equation: Quantity of fluid per second is constant.
Q = VA
Quantity of fluid per second is constant and depends upon area and velocity of flow. Quantity of fluid per second increases as velocity of flow increases.

JKSSB JE Civil Mock Test - 7 - Question 8

Which among the following is not included in Nagpur road conference, 1943?

Detailed Solution for JKSSB JE Civil Mock Test - 7 - Question 8

NAGPUR ROAD CONFERENCE -1943

  • Nagpur development plan is the first road development plan that took place in Nagpur under the guidance of IRC.
  • The duration of the road plan was 20 years (1943 to 1963)
  • The target road density was 16km/100 km2
  • Road were classified into 5 categories - National Highway (NH), State Highway (SH), Major District Road (MDR), Ordinary District Road (ODR) and Village Road (VR).
  • The recommended road system was star and grid pattern.
JKSSB JE Civil Mock Test - 7 - Question 9

Which among the following is incorrect about the bitumen penetration test?

Detailed Solution for JKSSB JE Civil Mock Test - 7 - Question 9

Bitumen Penetration Test:

  • Determines hardness or softness of bitumen
  • Penetration value represents the grade of bitumen
  • Penetration value is determined by measuring the depth in tenths of millimeter to which standard loaded needle will penetrate the sample vertically in 5 sec. The Bitumen sample is maintained at a temperature of 25oC.
JKSSB JE Civil Mock Test - 7 - Question 10

M40 grade has characteristic compressive strength of,

Detailed Solution for JKSSB JE Civil Mock Test - 7 - Question 10

M40 grade has characteristic compressive strength (28-day, 150 mm cubes) of 40 N/mm2.

JKSSB JE Civil Mock Test - 7 - Question 11

Premix carpet is related to,

Detailed Solution for JKSSB JE Civil Mock Test - 7 - Question 11

Premix carpet (PC)- is a good, economical, bituminous wearing course mix to be placed on roads. It can be hot mix as well as cold mix. The premix carpet is also provided with a bituminous sand seal coat. Premix carpet is laid and compacted after a tack coat is applied on the clean surface.

JKSSB JE Civil Mock Test - 7 - Question 12

Duty of water is a relationship between,

Detailed Solution for JKSSB JE Civil Mock Test - 7 - Question 12

Duty of water is a relationship between volume of water and area of crop it matures. It is number of hectares of land irrigated for maturity of a given crop by supply of 1 m3/sec of water continuously throughout the base period of the crop.

JKSSB JE Civil Mock Test - 7 - Question 13

For the calculation of effective width of flange in continuous beams and frames, the distance between points of zero moments may be assumed as,

Detailed Solution for JKSSB JE Civil Mock Test - 7 - Question 13

As per IS 456:2000, Cl. 23.1.2-
For continuous beams and frames, the distance between points of zero moments in the beam is assumed as 0.7 times effective span.

JKSSB JE Civil Mock Test - 7 - Question 14

Desired length of the overtaking zone is 950 m. Minimum length of the overtaking zone is;

Detailed Solution for JKSSB JE Civil Mock Test - 7 - Question 14

Desirable length of overtaking zone = 5 OSD
5 OSD = 950 or OSD = 950/5 =190 m
Minimum length of overtaking zone = 3 OSD
Minimum length of overtaking zone = 3 x 190 = 570 m

JKSSB JE Civil Mock Test - 7 - Question 15

In a fluid flow through a rectangular channel, specific energy is 4.5 N-m/N. Discharge will be maximum when the depth of flow is,

Detailed Solution for JKSSB JE Civil Mock Test - 7 - Question 15

Discharge will be maximum when the depth of flow is critical for given specific energy.
Specific energy = (3/2) x critical depth of flow
Critical depth = depth of flow= (2/3) x specific energy= 2 x 4.5/3 = 2 x 1.5 = 3 m

JKSSB JE Civil Mock Test - 7 - Question 16

If the limiting length of an offset is 5 m and the offset is laid 5o out from its original direction, then the displacement of the point on the paper must not exceed (given scale is 5 m to 1cm and sin 5o = 0.087)

Detailed Solution for JKSSB JE Civil Mock Test - 7 - Question 16

Displacement = (l sin∅)/S
Given:
l = 5m
The scale: 5 m to 1 cm
∅ = 5o,sin5o = 0.087,S = 5
Displacement = (5 X 0.087)/5 = 0.087cm

JKSSB JE Civil Mock Test - 7 - Question 17

Which of the following is not true for bar charts?

Detailed Solution for JKSSB JE Civil Mock Test - 7 - Question 17

Limitations of bar chart:
1) Only major activities are shown in bar chart.
2) A bar chart does not show progress of work. It cannot be used as a control device.
3) A bar chart does not show interdependencies of various activities.
4) When there are uncertainties in determination of estimated time required for completion of various activities, bar charts are not preferred.
Bar chart diagrams are preferred for small projects.

JKSSB JE Civil Mock Test - 7 - Question 18

If BOD of a water sample is reported as zero, it refers to the,

Detailed Solution for JKSSB JE Civil Mock Test - 7 - Question 18

If BOD of a water sample is zero, it means that there is no organic matter present in the water because oxygen demand is zero. BOD of safe drinking water must be nil.

JKSSB JE Civil Mock Test - 7 - Question 19

What percentage of the estimated cost, is considered as contingencies?

Detailed Solution for JKSSB JE Civil Mock Test - 7 - Question 19

Contingencies- these are incidental expenses of miscellaneous nature which cannot be classified under any distinct item sub-head in the preparation of estimate. Certain amount of 3% to 5% of estimated cost is added to the total estimate to account for contingencies.

JKSSB JE Civil Mock Test - 7 - Question 20

In slump test for concrete, nominal maximum size of aggregate used is,

Detailed Solution for JKSSB JE Civil Mock Test - 7 - Question 20

Slump test (IS:1199, Cl. 5)- maximum size of aggregate used is 38 mm.

JKSSB JE Civil Mock Test - 7 - Question 21

In the torsion equation, the ratio of maximum twisting torque to shear stress is equal to,

Detailed Solution for JKSSB JE Civil Mock Test - 7 - Question 21

Torsional equation:

IP/R = polar modules of shaft section

JKSSB JE Civil Mock Test - 7 - Question 22

The pitch of lateral ties in a column should be,

Detailed Solution for JKSSB JE Civil Mock Test - 7 - Question 22

As per IS 456:2000, Cl.26.5.3.2-
The pitch of lateral ties shall not be more than the least of the following distances

  • The least lateral dimension the compression members
  • 16 times the smallest diameter of the longitudinal reinforcement bar to be tied
  • 300 mm
JKSSB JE Civil Mock Test - 7 - Question 23

In individual wall method, length of short wall is,

Detailed Solution for JKSSB JE Civil Mock Test - 7 - Question 23

Individual wall method or long and short method of estimation-
Long wall length out to out = centre to centre length + one breadth
Short wall length in to in = centre to centre length - one breadth

JKSSB JE Civil Mock Test - 7 - Question 24

Chezy's constant has the dimensions of,

Detailed Solution for JKSSB JE Civil Mock Test - 7 - Question 24

Chezy's constant has the dimensions of [L1/2T-1]

JKSSB JE Civil Mock Test - 7 - Question 25

What is the reaction force at point C?

Detailed Solution for JKSSB JE Civil Mock Test - 7 - Question 25

R+ R= 15 kN
RC x 5 = 5 x 8 +5 x 2 = 50; R= 10 kN

JKSSB JE Civil Mock Test - 7 - Question 26

If kinetic energy per unit weight of water which is flowing in a pipe, is 4.905 m the velocity of flow will be,

Detailed Solution for JKSSB JE Civil Mock Test - 7 - Question 26

kinetic energy per unit weight or kinetic head = v2/2g
v2/2g = 4.905
v = (2 x 9.81 x 4.905)1/2
v = 9.81 m/s

JKSSB JE Civil Mock Test - 7 - Question 27

What is the harvesting time for kharif crops?

Detailed Solution for JKSSB JE Civil Mock Test - 7 - Question 27

Kharif crops: sown at the advent of the south-west monsoon season and are harvested at the end of monsoon season (October-November).
Ex: rice, maize, pulses, groundnuts
Rabi crops: are sown in winter and harvested in spring season in India.
Ex: wheat, barley, mustard, tobacco, potato

JKSSB JE Civil Mock Test - 7 - Question 28

If X is momentum and Y is velocity, correct dimensional formula for XY is,

Detailed Solution for JKSSB JE Civil Mock Test - 7 - Question 28

Momentum x velocity= mass x velocity= [ML2T-2]

JKSSB JE Civil Mock Test - 7 - Question 29

Detonating signals may be known as,

Detailed Solution for JKSSB JE Civil Mock Test - 7 - Question 29

Detonating signals - Detonating signals otherwise known as detonators or fog signals are appliances which are fixed on the rails, and when an Engine (or vehicle) passes over them, they explode with a loud report so as to attract the attention of the Driver.

JKSSB JE Civil Mock Test - 7 - Question 30

Which of the following types of welding uses aluminium and iron oxide?

Detailed Solution for JKSSB JE Civil Mock Test - 7 - Question 30

Thermit welding is basically a fusion process, the required heat being evolved from a mixture of powdered aluminium and iron oxide.

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