For design of sewers for sullage, minimum velocity of ---- metres per second is taken. (a) 1.0 m sec* (b) 1.5 m/sec (c) 2.0 m/sec (d) 2.5 m/sec

eFor design of sewers for sullage, minimum velocity of ---- metres per second is taken.
(a) 1.0 m sec*
(b) 1.5 m/sec
(c) 2.0 m/sec
(d) 2.5 m/sec
by

1 Answer

Answer :

(a) 1.0 m sec*
by

Related questions

Pick up the correct statement from the following: A. The sewer pipes of sizes less than 0.4 m diameter are designed as running full at maximum discharge B. The sewer pipes of sizes greater than 0.4 m diameter are designed as running 2/3rd or 3/4th full at maximum discharge C. The minimum design velocity of sewer pipes is taken as 0.8 m/sec D. All the above

Description : Pick up the correct statement from the following: A. The sewer pipes of sizes less than 0.4 m diameter are designed as running full at maximum discharge B. The sewer pipes of sizes greater than 0.4 m ... discharge C. The minimum design velocity of sewer pipes is taken as 0.8 m/sec D. All the above

Last Answer : ANS: D

Cement concrete sewers are only suitable if non-scouring velocity is between A. 2.5 to 3.0 m/sec B. 3.0 to 4.0 m/sec C. 3.5 to 4.5 m/sec D. 4.5 to 5.5 m/sec

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Last Answer : ANS: A

For achieving self-cleaning velocity, a minimum velocity of ---- mps. Is desirable for design peak flow (a) 0.6 mps (b) 0.8 mps* (c) 1.0 mps (d) 2.0 mps

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Last Answer : b) 0.8 mps*

221 For non-scouring velocity 5 m/sec, the type of sewers generally preferred to, is A. Cast iron sewers B. Cement concrete sewers C. Glazed bricks sewers D. Stone ware sewers

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A sewer pipe contains 1 mm sand particles of specific gravity 2.65 and 5 mm organic particles of specific gravity 1.2, the minimum velocity required for removing the sewerage, is A. 0.30 m/sec B. 0.35 m/sec C. 0.40 m/sec D. 0.45 m/sec

Description : A sewer pipe contains 1 mm sand particles of specific gravity 2.65 and 5 mm organic particles of specific gravity 1.2, the minimum velocity required for removing the sewerage, is A. 0.30 m/sec B. 0.35 m/sec C. 0.40 m/sec D. 0.45 m/sec

Last Answer : ANS: D

If Q is discharge is cubic metres per sec and D is the economical diameter of the pipe. According to Lea (A) D = 0.67 to 0.87 Q (B) D = 0.77 to 0.97 Q (C) D = 0.97 to 1.22 Q (D) D = 1.22 to 1.33 Q

Description : If Q is discharge is cubic metres per sec and D is the economical diameter of the pipe. According to Lea (A) D = 0.67 to 0.87 Q (B) D = 0.77 to 0.97 Q (C) D = 0.97 to 1.22 Q (D) D = 1.22 to 1.33 Q

Last Answer : (C) D = 0.97 to 1.22 Q

For efficient working of a sewer, it must be ensured that A. Minimum velocity of 0.45 m/sec, is maintained at its minimum flow B. A maximum velocity of 0.90 m/sec, is maintained at its maximum flow C. Both A. and B. D. Neither A. nor B.

Description : For efficient working of a sewer, it must be ensured that A. Minimum velocity of 0.45 m/sec, is maintained at its minimum flow B. A maximum velocity of 0.90 m/sec, is maintained at its maximum flow C. Both A. and B. D. Neither A. nor B.

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An important bridge is one which has total waterway of equal to or more than a) 1000 sq.metres.* b) 800 sq. metres c) 500 sq. metres d) 300 sq. metres

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While taking sample of water from well, sample is collected a)About 2 metre above the bottom of wel b) About 1 metre above the bottom of well * c)About 1 metres below the bottom of well d) none of the above

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A ball of mass 1 kg moving with a velocity of 2 m/sec collides directly with a stationary ball of mass 2 kg. If the first ball comes to rest after the impact the velocity of second ball after impact will be a.1.5 m/sec b.0.5 m/sec c.Zero d.2 m/sec e.1.0 m/sec

Description : A ball of mass 1 kg moving with a velocity of 2 m/sec collides directly with a stationary ball of mass 2 kg. If the first ball comes to rest after the impact the velocity of second ball after impact will be a.1.5 m/sec b.0.5 m/sec c.Zero d.2 m/sec e.1.0 m/sec

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If w is the weight of water per cubic metre, Q is the discharge in cubic metres per sec and H is the total head, the required water horse power of the pump, is (A) wQH/15 (B) wQH/360 (C) wQH/220 (D) wQH/550

Description : If w is the weight of water per cubic metre, Q is the discharge in cubic metres per sec and H is the total head, the required water horse power of the pump, is (A) wQH/15 (B) wQH/360 (C) wQH/220 (D) wQH/550

Last Answer : (A) wQH/15

Runoff is measured in (A) Cubic metres (B) Cubic metres per sec. (C) Cubic metres per minute (D) Cubic metres per hour

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The settling velocity of the particles larger than 0.06 mm in a settling tank of depth 2.4 is 0.33 m per sec. The detention period recommended for the tank, is A. 30 minutes B. 1 hour C. 1 hour and 30 minutes D. 2 hours

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Last Answer : ANS: D

In a 2280 m race Dinesh beats Aarav by 360 m or 6 seconds. In another race on the same track at the same speeds. Aarav and karthick start at one end while Dinesh starts at the opposite end. How many metres would Aarav have covered ,by the time Dinesh meets karthick given that Dinesh speed is 16 m/sec more than that of karthick a) 1140 m b) 2280 m c) 2460 m d) 1180 m

Description : In a 2280 m race Dinesh beats Aarav by 360 m or 6 seconds. In another race on the same track at the same speeds. Aarav and karthick start at one end while Dinesh starts at the opposite end. How many metres would Aarav ... is 16 m/sec more than that of karthick a) 1140 m b) 2280 m c) 2460 m d) 1180 m

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Specific yield of well is a) Discharge per unit time b) Yield of well per metre of drawdown* c) Velocity of water per unit time d)None of the above

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Height gauges should be located at a minimum distance of….. from gate post. (a) 5 m (b) 7.5m (c) 8m* (d)10m

Description : Height gauges should be located at a minimum distance of….. from gate post. (a) 5 m (b) 7.5m (c) 8m* (d)10m

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Number of taps to be provided on ‘A’ category stations on each platform as per norms of minimum essential facilities are (a) 20 taps (b) 15 taps (c) 12 taps* (d) One taps for each bogie

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Last Answer : (c) 12 taps*

Latrines & urinals must be provided on these type of stations as per minimum essential facility criteria (a) A, B, C, D, E & F type station (b) A,B,C,D & E type station* (c) A,B,C & D type station (d) A, B & C type station

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Last Answer : (b) A,B,C,D & E type station*

Foot over bridge must be provided on the following type of stations as per minimum essential facility criteria (a) A, B, C, & D class station (b) A,B & C class station* (c) A, & B class station (d) Only A class station

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For ‘B’ category stations as per minimum essential facility it is necessary to provide (a) High level platform (b) Medium level platform* (c) Rail level platform (d) All the above

Description : For ‘B’ category stations as per minimum essential facility it is necessary to provide (a) High level platform (b) Medium level platform* (c) Rail level platform (d) All the above

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Description : Numbers of taps on each platform of ‘C’ category station as per norms of minimum essential facility criteria are (a) 6* (b) 8 (c) 12 (d) 15

Last Answer : (a) 6*

Numbers of taps on each platform of ‘B’ category station as per norms of minimum essential facility criteria are (a) 6 (b) 8 (c) 12* (d) 15

Description : Numbers of taps on each platform of ‘B’ category station as per norms of minimum essential facility criteria are (a) 6 (b) 8 (c) 12* (d) 15

Last Answer : (c) 12*

Numbers of taps on each platform of ‘A’ category station as per norms of minimum essential facility criteria are (a) 6 (b) 8 (c) 12 (d) 15*

Description : Numbers of taps on each platform of ‘A’ category station as per norms of minimum essential facility criteria are (a) 6 (b) 8 (c) 12 (d) 15*

Last Answer : d) 15*

he minimum compressive strength of first class brick should be a) 75 kg per centimeter square b) 90 kg per centimeter square c) 100 kg per centimeter square* d) 120 kg per centimeter square

Description : he minimum compressive strength of first class brick should be a) 75 kg per centimeter square b) 90 kg per centimeter square c) 100 kg per centimeter square* d) 120 kg per centimeter square

Last Answer : c) 100 kg per centimeter square*

The concrete under water minimum grade of cement recommended by IS code a) M 10 b) M 15 c) M 20* d) M 25

Description : The concrete under water minimum grade of cement recommended by IS code a) M 10 b) M 15 c) M 20* d) M 25

Last Answer : c) M 20*

Minimum Free Board required in a bridge is a) 1 m* b) 1.20 m c) 600 mm d) 300 mm

Description : Minimum Free Board required in a bridge is a) 1 m* b) 1.20 m c) 600 mm d) 300 mm

Last Answer : a) 1 m*

Why does metres per second have a -1 (m s -1)?

Description : Why does metres per second have a -1 (m s -1)?

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Consider a CSMA/CD network that transmits data at a rate of 100 Mbps (108 bits per second) over a 1 km (kilometre) cable with no repeaters. If the minimum frame size required for this network is 1250 bytes, what is the signal speed (km/sec) in the cable? a. 8000 b. 10000 c. 16000 d. 20000

Description : Consider a CSMA/CD network that transmits data at a rate of 100 Mbps (108 bits per second) over a 1 km (kilometre) cable with no repeaters. If the minimum frame size required for this network is 1250 bytes, what is the signal speed (km/sec) in the cable? a. 8000 b. 10000 c. 16000 d. 20000

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A jet of water of cross-sectional area 20 sq. cm impinges on a plate at an angle of 60? with a velocity of 10 m/sec. Neglecting the friction between the jet and plate (density of water 1000/9.81 kgm-1 sec2 per cubic meter), the force exerted by the jet on the plate would be in the range a.15 - 20 kg b.20 - 25 kg c.5 - 10 kg d.25 - 30 kg e.10 - 15 kg

Description : A jet of water of cross-sectional area 20 sq. cm impinges on a plate at an angle of 60? with a velocity of 10 m/sec. Neglecting the friction between the jet and plate (density of water 1000/9.81 kgm-1 sec2 per cubic meter), the ... a.15 - 20 kg b.20 - 25 kg c.5 - 10 kg d.25 - 30 kg e.10 - 15 kg

Last Answer : a. 15 - 20 kg

A bed of spherical particles (specific gravity 2.5) of uniform size 1500 μm is 0.5 m in diameter and 0.5 m high. In packed bed state, the porosity may be taken as 0.4. Ergun's equation for the above fluid-particle system (in SI units) is given below : Δ P/L = 375 × 10 3 VOM + 10.94 × 10 6 V2 OM (SI units) If water is to be used as the fluidising medium, the minimum fluidisation velocity, VOM is (A) 12 mm/s (B) 16 mm/s (C) 24 mm/s (D) 28 mm/s

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Last Answer : (B) 16 mm/s

Minimum vertical clearance (VC) for a slab/ girder bridges with discharge of 0-30 cumecs is a) 300 mm b) 1500 mm c) 1800 mm d) 600 mm*

Description : Minimum vertical clearance (VC) for a slab/ girder bridges with discharge of 0-30 cumecs is a) 300 mm b) 1500 mm c) 1800 mm d) 600 mm*

Last Answer : d) 600 mm*

.Minimum earth cushion required over RCC Box is a) 300 mm b) 600 mm c) 0* d) 1000 mm

Description : .Minimum earth cushion required over RCC Box is a) 300 mm b) 600 mm c) 0* d) 1000 mm

Last Answer : c) 0*

Critical speed of rotation, N (in rps - rotation per second) of a trammel is equal to (where, g = acceleration due to gravity = 9.81 m/sec 2 and, r = radius of trammel, metre.) (A) (1/2π). √(g/r) (B) (1/π). √(g/r) (C) ½ √(g/r) (D) 2π. √(g/r)

Description : Critical speed of rotation, N (in rps - rotation per second) of a trammel is equal to (where, g = acceleration due to gravity = 9.81 m/sec 2 and, r = radius of trammel, metre.) (A) (1/2π). √(g/r) (B) (1/π). √(g/r) (C) ½ √(g/r) (D) 2π. √(g/r)

Last Answer : (A) (1/2π). √(g/r)

In new Rail as well as second hand rails how much end bends of the rails in lateral direction are permitted when checked with one metre straight edge before welding? (i) ± 0.2 mm in lateral direction (ii) ± 0.3 mm in lateral direction (iii) ± 0.5 mm in latera

Description : In new Rail as well as second hand rails how much end bends of the rails in lateral direction are permitted when checked with one metre straight edge before welding? (i) ± 0.2 mm in lateral direction (ii) ± 0.3 mm in lateral direction (iii) ± 0.5 mm in latera

Last Answer : (iii) ± 0.5 mm in latera

In new Rail as well as second hand rails how much end bends of the rails in vertical are permitted when checked with one meter straight edge before welding? (i) +0.5mm, -0 mm in vertical * (ii) +0.2mm, -.3 mm in vertical (iii) +0.3mm, -2 mm in vertical (iv) 0 mm, +.5 mm in vertical

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Last Answer : (i) +0.5mm, -0 mm in vertical *

The maximum velocity of a body in SHM with amplitude of 150 mm and a frequency 2 vibrations/sec is equal to a.1.885 m/sec b.0.01885 m/sec c.0.1885 m/sec d.18.55 m/sec e.185.5 m/sec

Description : The maximum velocity of a body in SHM with amplitude of 150 mm and a frequency 2 vibrations/sec is equal to a.1.885 m/sec b.0.01885 m/sec c.0.1885 m/sec d.18.55 m/sec e.185.5 m/sec

Last Answer : a. 1.885 m/sec

A particle moves along a rough plane inclined at 30? to the horizontal. The co-efficient of friction between the particle and the plane is 0.1. Its initial velocity is 15 m/sec. The ratio of the velocity of the particle when it move down the plane to that when it move up the plane would be in the regions a.8 ? 10 b.5 ? 7 c.2 ? 3 d.4 ? 6 e.10 ? 13

Description : A particle moves along a rough plane inclined at 30? to the horizontal. The co-efficient of friction between the particle and the plane is 0.1. Its initial velocity is 15 m/sec. The ratio of the velocity of the particle when it move ... be in the regions a.8 ? 10 b.5 ? 7 c.2 ? 3 d.4 ? 6 e.10 ? 13

Last Answer : b. 5 ? 7

In which case power required would be more a.In lifting up a weight of 100 kg at a velocity of 3 m/sec but accelerating upwards at 0.5 m/sec b.In lowering a weight of 100 kg along an a inclined plane at an angle of 45? with c.In lifting up a weight of 100 kg at a constant speed of 3 m/sec d.In lowering the weight at a constant speed of 3 m/sec e.In lowering the weight at a velocity of 3 m/sec and acceleration of 1 m/sec2

Description : In which case power required would be more a.In lifting up a weight of 100 kg at a velocity of 3 m/sec but accelerating upwards at 0.5 m/sec b.In lowering a weight of 100 kg along an a inclined plane ... speed of 3 m/sec e.In lowering the weight at a velocity of 3 m/sec and acceleration of 1 m/sec2

Last Answer : a. In lifting up a weight of 100 kg at a velocity of 3 m/sec but accelerating upwards at 0.5 m/sec

A locomotive of weight 100 tonnes is attached to train of wagons weighing 1000 tonnes. The locomotive pulls the wagons with a constant velocity of 36 km/hour. When the coupling between the train and wagons breaks, the wagons roll on 95 m in 10 sec. The distance between the locomotive and the wagons at this instant assuming that the forces acting on the train are unaltered would be a.0.36 m b.0.44 m c.0.77 m. d.0.5 m e.0.66 m

Description : A locomotive of weight 100 tonnes is attached to train of wagons weighing 1000 tonnes. The locomotive pulls the wagons with a constant velocity of 36 km/hour. When the coupling between the train and wagons breaks, the wagons roll on 95 m in ... would be a.0.36 m b.0.44 m c.0.77 m. d.0.5 m e.0.66 m

Last Answer : d. 0.5 m

Flue gas discharge velocity through chimney of a big thermal power plant may be around __________ m/sec. (A) 0.5 (B) 10 (C) 50 (D) 500

Description : Flue gas discharge velocity through chimney of a big thermal power plant may be around __________ m/sec. (A) 0.5 (B) 10 (C) 50 (D) 500

Last Answer : (B) 10

What is the minimum escape velocity of rocket to be launched into space? (1) 5 Km/Sec. (2) 6 Km/Sec. (3) 11 Km/Sec. (4) 15 Km/Sec.

Description : What is the minimum escape velocity of rocket to be launched into space? (1) 5 Km/Sec. (2) 6 Km/Sec. (3) 11 Km/Sec. (4) 15 Km/Sec.

Last Answer : (3) 11 Km/Sec. Explanation: On the surface of the Earth, the escape velocity is about 11.2 kilometers per second 06.96 mi/s), which is approximately 34 times the speed of sound (Mach ... velocity is the speed at which the kinetic energy plus the gravitational potential energy of an object is zero.