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GATE’22 CE:- Daily Practice Quiz 20-Sep-2021

IIT Kharagpur has released the GATE 2022 exam dates. As per the GATE 2022 exam date, the exam will be conducted on February 5, 6, 12 & 13. Candidates preparing for GATE 2022 must attempt this Civil Engineering Quiz to boost your GATE exam preparation.

Quiz: Civil Engineering
Exam: GATE
Topic: Miscellaneous

Each question carries 2 marks
Negative marking: 1/3 mark
Time: 12 Minutes

Q1. At two points 1 and 2 in a pipeline the velocities are V and 2V, respectively. Both the points are at the same elevation. The fluid density is ρ. The flow can be assumed to be incompressible, inviscid, steady and irrotational. The difference in pressures P_1 and P_2 at points 1 and 2 is
(a) 0.5 ρV²
(b) 1.5 ρV²
(c) 2 ρV²
(d) 3 ρV²

Q2. The composition of a certain MSW sample and specific weights of its various components are given below:

Component Percent by weight Specific weight (kg/m³)
Food 50 300
Dirt and Ash 30 500
Plastics 10 65
Wood and Yard waste 10 125

Specific weight (kg/m³) of the MSW sample is
(a) 319
(b) 217
(c) 209
(d) 199

Q3. A 500 mm. square bearing plate settle by 20mm in a plate load test on a cohesive soil when the intensity of loading is 0.2 N/mm². the settlement of a prototype shallow footing ‘1m’ square under the same intensity of loading is-
(a) 60 mm
(b) 50 mm
(c) 40 mm
(d) 30 mm

Q4. A linear reservoir is on in which
(a) The storage varies linearly with the outflow rate
(b) The storage varies linearly with time
(c) The storage varies linearly with the inflow rate
(d) The volume varies linearly with elevation

Q5. The maximum deflection in timber beams or joints should not be greater than
(a) Span/300
(b) Span/325
(c) Span/350
(d) Span/360

Solutions

S1. Ans.(b)
Sol. Given,
V_1=V
V_2=2V
Z_1 =Z_2=Z
P_1-P_2= ?
Appling Bernoulli’s equation
P_1/ρg+(V_1^2)/2g +Z_1=P_2/ρg+(V_2^2)/2g+Z_2
P_1/ρg+((V^2 ))/2g+Z=P_2/ρg+(2V)^2/2g+Z
(P_1-P_2)/ρg=(4V^2-V^2)/2g
▭(P_1-P_2=1.5 ρV^2 )

S2. Ans.(b)
Sol. Let specific weight of MSW sample is Y kg/m³.
Now,
100/Y=50/300+30/500+10/65+10/125
100/Y=0.4605
▭(Y=217.15 kg\/m^3 )

S3. Ans.(c)
Sol. given,
Size of square bearing plate (B_p) = 500 mm.
= 0.5 m.
Size of square footing (B_F) = 1 m
Settlement in bearing plate (S_P )= 20 mm.
Settlement in footing (S_F ) =?

For clays soil,
S_F/S_P =B_F/B_P
S_F/20=1/0.5
▭(S_F =40 mm.)

S4. Ans.(a)
Sol. A linear reservoir is one in which the storage varies linearly with the outflow rate.

S5. Ans.(d)
Sol. As per IS 883:1994, The deflection in case of battens, purlins, beam joist and other flexural members supporting brittle material shall not be greater than span/360.

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