The depth of excavation of foundations, is generally measured with a
(A) Ranging rod
(B) Steel tape
(C) Levelling staff
(D) Boning rod

1 Answer

Answer :

Answer: Option D

Related questions

Description : Pick up the correct statement from the following: A. The boning rod is used for checking the levels of the sewer inverts B. Manhole covers are made circular for the convenience of the cleaning staff C. A manhole is classified as shallow manhole if its depth is less than 0.9 m D. All the above

Last Answer : ANS: D

Description : A sewer is laid from a manhole to a manhole , 250 m away along a gradient of 1 in 125. If the  reduced level of the invert at is 205.75 m and the height of the boning rod is 3 m, the reduced  level of the sight rail at , is  (A) 208.75 m  (B) 202.75 m  (C) 206.75 m  (D) 211.75 m

Last Answer : (C) 206.75 m 

Description : Write the uses of following survey instruments i) Ranging Rod ii) Pegs iii) Cross-staff iv) Plumb bob

Last Answer : i) Ranging Rod : Ranging rod are used for ranging. ii) Pegs : Pegs are used for marking the positions of stations or terminals points of survey lines. iii) Cross-staff : It is used ... It is also used for accurate centering of the surveying instruments like theodolite, compass, plane table etc. 

Description : The type of steel used for precision levelling staff, is (A) Titanium steel (B) Carbon steel (C) Invar (D) Stainless steel

Last Answer : Answer: Option C

Description : Number of subdivisions per metre length of a levelling staff is  (A) 100  (B) 200  (C) 500  (D) 1000 

Last Answer : (B) 200 

Description : The 10 mm markings on a levelling staff placed at 20 m are separated by (A) 1/1000 radian (B) 1/1500 radian (C) 1/2000 radian (D) 1/2500 radian

Last Answer : (C) 1/2000 radian

Description : While viewing through a level telescope and moving the eye slightly, a relative movement occurs between the image of the levelling staff and the cross hairs. The instrument is (A) Correctly focussed (B) Not correctly focussed (C) Said to have parallax (D) Free from parallax

Last Answer : (C) Said to have parallax

Description : During levelling if back sight is more than foresight (A) The forward staff is at lower point (B) The back staff is at lower point (C) The difference in level, cannot be ascertained (D) None of these

Last Answer : (B) The back staff is at lower point

Description : Pick up the correct statement from the following: (A) An observation or the resulting reading with the level on a levelling staff is called sight (B) A back sight is the first sight taken after setting up ... position (C) The first sight on each change point is a fore sight (D) All the above

Last Answer : (D) All the above

Description : In levelling operation (A) When the instrument is being shifted, the staff must not be moved (B) When the staff is being carried forward, the instrument must remain stationary (C) Both (a) and (b) (D) Neither (a) nor (b)

Last Answer : (C) Both (a) and (b)

Description : In case of levelling, backsight is (a) A fixed point of known elevation (b) The last staff reading taken before shifting the instrument (c) The first staff reading taken after setting the instrument (d) Any staff reading taken on a point of unknown elevation

Last Answer : (c) The first staff reading taken after setting the instrument

Description : The excavation exceeding 1.5 m in width and 10 sq.m in plan area with a depth not exceeding 30 cm, is termed as (A) Excavation (B) Surface dressing (C) Cutting (D) Surface excavation

Last Answer : (D) Surface excavation

Description : Pick up the correct statement from the following: (A) In order to check up the average depth of excavation, 'Dead man s' are left at the midwidths of borrow pits (B) The earthwork ... embankment includes the formation of correct profile and depositing the soil in layers (D) All the above

Last Answer : (D) All the above

Description : If the depth of an excavation is 20 metres, number of single stage well points to be installed at various levels, is (A) 5 (B) 4 (C) 3 (D) 2

Last Answer : Answer: Option C

Description : The single stage well point system of dewatering an excavation can be used if the depth of excavation does not exceed (A) 5 m (B) 10 m (C) 15 m (D) 20 m

Last Answer : Answer: Option A

Description : For providing a raft foundation, the following activities are involved 1. Ramming the foundation bed 2. Excavation of the soil upto required depth 3. Laying the reinforcement over the foundation bed 4. Curing the cement concrete placed over ... 2, 1 (C) 2, 1, 3, 5, 4 (D) 3, 2, 5, 1, 4

Last Answer : Answer: Option C

Description : The following item of earth work is not measured separately. (A) Setting out of works (B) Site clearance (C) Steps in deep excavation (D) All the above

Last Answer : (D) All the above

Description : The minimum depth of building foundations on (A) Sandy soils is 80 cm to 100 cm (B) Clay soils is 90 cm to 160 cm (C) Rocky soils is 5 cm to 50 cm (D) All the above

Last Answer : Answer: Option D

Description : According to Rankine's formula, minimum depth of foundations, is (A) (P/w) × [(1 + sin )/(1 - )]² (B) (P/w) × [(1 - sin )/(1 + )]² (C) (P/2w) × [(1 - sin )/(1 + )]² (D) (P/w) × [(1 + sin )/(1 - )]

Last Answer : Answer: Option B

Description : In case of foundations on black cotton soils, the most suitable method to increase the bearing capacity of soils is to (A) Increase the depth of foundation (B) Drain the soil (C) Compact the soil (D) Replace the poor soil

Last Answer : Answer: Option D

Description : Short offsets are measured with (A) An ordinary chain (B) An invar tape (C) A metallic tape (D) A steel tape

Last Answer : (A) An ordinary chain

Description : Pile foundations are generally preferred to for (A) Bridge foundations (B) Sky scrapper buildings (C) Residential buildings (D) Runways

Last Answer : Answer: Option B

Description : Lime concrete is generally used for (A) Wall foundations (B) Flooring at ground level (C) Both (A) and (B) (D) Neither (A) nor (b)

Last Answer : Answer: Option B

Description : Under reamed piles are generally used for (A) Machine foundations (B) Factory building (C) Tall structures (D) All the above

Last Answer : Answer: Option D

Description : Non-recording rain gauges (A) Collect the rain whose volume is measured by means of graduated cylinders (B) Collect the rain which is directly measured by means of graduated cylinders in centimetres of water depth (C) Are generally used in hilly terrain (D) Are cylindrical in shape

Last Answer : Answer: Option B

Description : Write the code of signals used in ranging with respect to : i) Correct position ii) Fix the ranging rod iii) Vertical position of ranging rod iv) Move slowly to left of observer 

Last Answer : i) Correct position : Both hands above Head and then Brought Down ii) Fix the ranging rod : Both Arms extended forward horizontally and the hands depressed briskly iii) Vertical position of ranging rod : 1 ... and moved to the Left iv) Move slowly to left of observer : Slow sweeps with Left Hand

Description : Pick up the incorrect statement from the following: (A) While measuring a distance with a tape of length 100.005 m, the distance to be increasing by 0.005 m for each tape length (B) An increase in ... ) A 100 m tape of cross section 10 mm 0.25 mm stretches about 10 mm under 5 kg pull

Last Answer : (B) An increase in temperature causes a tape to increase in length and the measured distance is too large

Description : A steel rod 1 metre long having square cross section is pulled under a tensile load of 8 tonnes. The  extension in the rod was 1 mm only. If Esteel = 2 × 106  kg/cm2 , the side of the rod, is  (A) 1 cm  (B) 1.5 cm  (C) 2 cm  (D) 2.5 cm 

Last Answer : (C) 2 cm 

Description : A steel rod of sectional area 250 sq. mm connects two parallel walls 5 m apart. The nuts at the  ends were tightened when the rod was heated to 100°C. If steel = 0.000012/C°, Esteel = 0.2  MN/mm2 , the ... N/mm2 (B) 100 N/mm2 (C) 120 N/mm2 (D) 150 N/mm2 Answer: Option 

Last Answer : (C) 120 N/mm

Description : A steel rod of 2 cm diameter and 5 metres long is subjected to an axial pull of 3000 kg. If E = 2.1 × 106 , the elongation of the rod will be (A) 2.275 mm (B) 0.2275 mm (C) 0.02275 mm (D) 2.02275 mm

Last Answer : (B) 0.2275 mm

Description : If a steel rod of 20 mm diameter and 5 metres long elongates by 2.275 mm when subjected to an  axial pull of 3000 kg, the stress developed, is  (A) 9.5541 kg/cm2 (B) 95.541 kg/cm2 (C) 955.41 kg/cm2 (D) 9554.1 kg/cm

Last Answer : (C) 955.41 kg/cm2

Description : If a steel rod of 20 mm diameter and 5 metres long elongates by 2.275 mm when subjected to an  axial pull of 3000 kg, the stress developed, is  (A) 9.5541 kg/cm2 (B) 95.541 kg/cm2 (C) 955.41 kg/cm2 (D) 9554.1 kg/cm

Last Answer : (C) 955.41 kg/cm2

Description : The tensile force required to cause an elongation of 0.045 mm in a steel rod of 1000 mm length and 12 mm diameter, is (where E = 2 × 106 kg/cm2 ) (A) 166 kg (B) 102 kg (C) 204 kg (D) 74 kg

Last Answer : (B) 102 kg

Description : If tensile stress of a steel rod of diameter is 1400 kg/cm2 and bond stress is 6 kg/cm2 , the required bond length of the rod is (A) 30 D (B) 39 D (C) 50 D (D) 59 D

Last Answer : (D) 59 D

Description : In slump test, each layer of concrete is compacted by a steel rod 60 cm long and of 16 mm diameter for (A) 20 times (B) 25 times (C) 30 times (D) 50 time

Last Answer : Answer: Option B

Description : In tacheometrical observations, vertical staff holding is generally preferred to normal staffing, due to (A) Ease of reduction of observations (B) Facility of holding (C) Minimum effect of careless holding on the result (D) None of these

Last Answer : (C) Minimum effect of careless holding on the result

Description : Deviation of the actual road gradient from the proposed contour gradient uphill side, involves  (A) Embankment on the centre line  (B) Excavation on the centre line  (C) Earth work on the centre line  (D) None of these

Last Answer : (B) Excavation on the centre line 

Description : channel is said to be of most economical cross-section, if (A) It gives maximum discharge for a given cross-sectional area and bed slope (B) It has minimum wetted perimeter (C) It involves lesser excavation for the designed amount of discharge (D) All of the above

Last Answer : Answer: Option D

Description : The expected out turn for earth work in excavation in ordinary soil per workman per day is (A) 1.00 cum (B) 2.00 cum (C) 3.00 cum (D) 4.00 cum

Last Answer : (C) 3.00 cum

Description : The cost of the earthwork in excavation for the surface drain of cross-section shown in the given figure for a total length of 5 metres @ Rs. 450% cum, is (A) Rs. 400 (B) Rs. 425 (C) Rs. 450 (D) Rs. 500

Last Answer : (C) Rs. 450

Description : Pick up the excavation where measurements are made in square metres for payment. (A) Ordinary cuttings up to 1 m (B) Surface dressing up to 15 cm depths (C) Surface excavation up to 30 cm depths (D) Both (b) and (c)

Last Answer : (D) Both (b) and (c)

Description : The rate of payment is made for 100 cu m (per % cu m) in case of (A) Earth work in excavation (B) Rock cutting (C) Excavation in trenches for foundation (D) All the above

Last Answer : (D) All the above

Description : Which one of the following represents an activity? (A) Excavation for foundation (B) Curing of concrete (C) Setting of question paper (D) All the above

Last Answer : (D) All the above

Description : In the given figure, the network of a project represents (A) Activity of an excavation of a footing (B) Activity of an excavation which starts at event No. 1 and ends at even No. 2 (C) Activity of excavation which takes 8 units of time (D) None of thes

Last Answer : (C) Activity of excavation which takes 8 units of time

Description : If the excavation of earth is done manually then it costs Rs. 10 per cum. A machine can excavate at a fixed cost of Rs. 4000 plus a variable cost of Rs. 2 per cum. The quantity of earth for which the cost ... the cost of manual excavation is (A) 500 cum (B) 1000 cum (C) 1500 cum (D) 2000 cum

Last Answer : (A) 500 cum

Description : A contractor wishes to determine a suitable combination of manual labour and machine work for the excavation of a multistory construction. For every cum of excavation, 3 man-hours are needed; or 0.2 machine-hour. Costs ... total cost will be (a) 1500 cum (b) 1800 cum (c) 2250 cum (d) 2500 cum

Last Answer : (d) 2500 cum

Description : Which one of the following statements is true? (A) Clays are more porous than sands (B) Pressure of organic matter in a soil decreases the bearing capacity of the soil (C) Aluminous cement is used for foundations in soils with chemical deposits (D) All the above

Last Answer : (D) All the above

Description : As compared to gravity dams, earthen dams (A) Are costlier (B) Are less susceptible to failure (C) Require sound rock foundations (D) Require less skilled labour

Last Answer : Answer: Option D

Description : Pozzolana cement is used with confidence for construction of (A) Dams (B) Massive foundations (C) R.C.C. structures (D) All the above

Last Answer : (D) All the above

Description : If the foundations of all the columns of a structure are designed on the total live and dead load basis, then (A) There will be no settlement of columns (B) There will be no ... will be more than interior columns (D) The settlement of interior columns will be more than exterior columns

Last Answer : Answer: Option C