Description : Best type of piles for soft soil having little resistance to the flow of concrete, is (A) Simplex pile (B) Vibro pile (C) Raymond pile (D) Franki pile
Last Answer : Answer: Option B
Description : In places where the soil is soft and has small resistance to the flow of concrete, which one of the following types of piles, is used (A) Vibro pile (B) Pressure pile (C) Franki pile (D) Pedestal pile
Last Answer : Answer: Option A
Description : The pile which is provided with a bulb filled with concrete at its lower end, is known as (A) Simplex pile (B) Mac-Arthur pile (C) Raymond pile (D) Franki pile
Description : Which one of the following piles has a cast iron shoe even after removal of the hollow cylindrical steel casing? (A) Simplex pile (B) Pedestal pile (C) Vibro pile (D) Both (a) and (c) of the above
Last Answer : Answer: Option D
Description : Pick up the correct statement from the following: (A) The pile driven in sand is called sand pile (B) The drilled hole filled with sand is called sand pile (C) The sand piles are used for bearing purposes (D) None of these
Last Answer : Option A
Description : Pick up the correct statement from the following: (A) Plain cement concrete is equally strong in compression as well as in tension (B) Slump test is performed to check concrete strength (C ... D) Fineness modulus is the index number expressing the relative sizes of both coarse and fine aggregates
Last Answer : Option D
Description : How deep a hole has ever been drilled by humans on Mars?
Last Answer : Since we just got there, I think the answer would be: no holes at all yet. . . . unless I’ve missed the latest news.
Description : What would happen if a hole was drilled straight through the Earth from one side to the other and someone jumped in?
Last Answer : Their hair would get all messed up.
Description : I have a 1967 quarter that has a hole in it can you can somebody help me 2 see if it's worth anything or it's just somebody drilled the hole into it?
Last Answer : Here's a picture
Description : A uniform solid sphere of radius R has a hole of radius R/2 drilled inside it. One end of the hole is at the centre of the sphere
Last Answer : A uniform solid sphere of radius R has a hole of radius R/2 drilled inside it. One end ... boundary. Locate centre of mass of the remaining sphere.
Description : If to torricelli had drilled a little hole at the top of the glass tube holding his mercury column what would have happened to his barometer?
Last Answer : He would not have had a barometer. He would have had a glass tube stuck into a bowl of Mercury, with nothing in it. Because once the hole was made the vacuum would be gone and the Mercury would fall back down to the bowl.It takes the vacuum in the tube to create a barometer.
Description : Choose proper machine tool and explain operation method for the following: (i) Producing a hole (ii) Finishing previously drilled hole
Last Answer : MACHINE TOOL : Drilling Machine (i) Producing a hole: Drilling operation (Fig 1 mark ,explanation 2 mark) : It is an operation of producing a circular hole in a work piece by forcing a drill against ... is held in the tailstock and it is fed into the hole in the similar way as for drilling.
Description : The compaction of concrete, improves (A) Density (B) Strength (C) Durability (D) All the abov
Last Answer : (D) All the above
Description : Wp and Wf are the weights of a cylinder containing partially compacted and fully compacted concrete. If the compaction factor (Wp/Wf ) is 0.95, the workability of concrete is (A) Extremely low (B) Very low (C) Low (D) High
Description : Concrete is unsuitable for compaction by a vibrator if it is (A) Dry (B) Earth moist (C) Semi-plastic (D) Plastic
Description : The produce impermeable concrete (A) Thorough mixing of concrete is required (B) Proper compaction of concrete is required (C) Proper curing of concrete is required (D) All the above
Description : Non-uniform compaction may cause the concrete (A) Porous (B) Non-homogeneous (C) Reduced strength (D) All the above
Description : The property of the ingredients to separate from each other while placing the concrete is called (A) Segregation (B) Compaction (C) Shrinkage (D) Bulking
Description : Workability of concrete mix with low water cement ratio is determined by (A) Tensile strength test (B) Slump test (C) Compaction factor test (D) Flexural strength test
Last Answer : Answer: Option C
Description : The process of keeping concrete moist for a certain period after its finishing, is known as (A) Finishing of concrete (B) Curing of concrete (C) Placing of concrete (D) Compaction of concrete
Description : The purpose of lateral ties in short R.C. columns is to (a) Increase the load carrying capacity of column (b) Facilitate compaction of concrete (c) Facilitate construction (d) Avoid buckling of longitudinal bars
Last Answer : (d) Avoid buckling of longitudinal bars
Description : The process of consolidating concrete mix after placing it in position is termed as. (a) Curing (b) Wetting (c) Compaction (d) All of these
Last Answer : (c) Compaction
Description : The workability of concrete is expressed by (a) Water-cement ratio (b) Slump value (c) Compaction factor (d) Both (a) and (b)
Last Answer : (d) Both (a) and (b)
Description : The purpose of lateral ties in short reinforced concrete columns is to [ A ] Facilitate construction [ B ] Facilitate compaction of concrete [ C ] Increase the load carrying capacity of the columns [ D ] Avoid buckling of longitudinal bars
Last Answer : [ D ] Avoid buckling of longitudinal bars
Description : Workability of a concrete – mix is determined by (i)Slump cone test (ii)Compaction factor test (iii)Vee bee test [ A ] i [ B ] ii [ C ] i and ii [ D ] i, ii and iii
Last Answer : [ D ] i, ii and iii
Description : Workability of concrete mix with low water cement ratio is determined by [ A ] Tensile strength test [ B ] Slump cone test [ C ] Compaction factor test [ D ] Flexural strength test
Last Answer : [ C ] Compaction factor test
Description : While determining the workability of concrete mix, the compaction factor test is ------than the slump cone test [ A ] Less accurate [ B ] More accurate [ C ] Approximate method [ D ] None of the above
Last Answer : [ B ] More accurate
Description : Concrete is unsuitable for compaction by vibration if it is [ A ] Semi – plastic [ B ] Plastic [ C ] Earth moist [ D ] Dry
Last Answer : [ B ] Plastic
Description : Why is sand falling? Does it matter if there are small stones left?
Last Answer : In my opinion, it is rebuked so that it is smooth and no stone protrudes from it. But the stones are the same as fittings, for example.
Description : The advantage of a concrete pile over a timber pile, is (A) No decay due to termites (B) No restriction on length (C) Higher bearing capacity (D) All the above
Description : Pick up the correct statement from the following: (A) A pile is a slender member which transfers the load through its lower end on a strong strata (B) A pile is a slender member which ... A pile is a cylindrical body of concrete which transfers the load at a depth greater than its width
Description : The taper of precast concrete pile should not be more than (A) 1 cm per metre length (B) 2 cm per metre length (C) 4 cm per metre length (D) 5 cm per metre length
Description : Pick up the incorrect statement from the following: (A) The width of the wall is constructed thicker at the base in a stepped fashion (B) A long vertical load transferring concrete structure is ... ) The pile which transfers the load to a hard rock bed at certain depth is called load bearing
Description : A pre-stressed concrete pile is (A) Easy to handle (B) Lighter in weight (C) Extremely durable (D) All the above
Description : Bentonite is used in pile driving -- a) to facilitate pile driving b) to enable proper pile concreting c) to stabilize the bore hole walls* d) None of the above
Last Answer : c) to stabilize the bore hole walls*
Description : In case of Raymond pile (A) Lengths vary from 6 m to 12 m (B) Diameter of top of piles varies from 40 cm to 60 cm (C) Diameter of pile at bottom varies from 20 cm to 28 cm (D) All the above
Description : Explain the significance of batching, compaction and curing of concrete.
Last Answer : Significance of Batching: 1. If the batching of materials required for concrete is not done appropriately, then random quantity of materials produce non-homogeneous concrete, which further leads to various ... . 3. Curing is necessary to make the concrete impermeable in nature its hardened state.
Description : Which of the following vibro-meters have frequency ratio (ω/ω n )
Last Answer : A. Accelerometers
Description : Pick up the correct statement from the following: (A) O.M.C. refers to the moisture corresponding to the maximum point on the moisture content dry density curve (B) The line which shows moisture content dry ... void line (C) The free fall of hammer for compaction is 30.5 cm (D) All the above
Description : Ware house pack' of cement means (A) Full capacity of the ware house (B) Pressure exertion of the bags of upper layers (C) Pressure compaction of the bags on lower layers (D) Packing the ware house
Description : In cement pressure grouting G.I pipes of diameter …… and ……length, should be fixed in drilled holes a) 12 to 20 mm, 200 mm* b) 12 to 20 mm, 300 mm c) 12 to 25 mm, 500 mm d) 20 to 25 mm, 300 mm
Last Answer : a) 12 to 20 mm, 200 mm*
Description : In cement pressure grouting holes should be drilled at spacing in both direction at a) 150 – 500 mm b) 450 mm c) 500 – 750 mm* d) 1000 mm
Last Answer : c) 500 – 750 mm*
Description : In case of compaction of soil by sheep foot roller maximum thickness of layer should not exceed buy more than -------------- centimeter of length of their teeth a) 5 centimeter* b) 4 centimeter c) 3 centimeter d) 2 centimeter
Last Answer : a) 5 centimeter*
Description : arthwork in embankment for railway with manual compaction should be done in layers not exceeding-------------- a) 15 centimeter b) 20 centimeters c) 25 centimeters d) 30 centimeters*
Last Answer : d) 30 centimeters*
Description : A clay subjected to pressure in excess to its present over-burden, is said to be (A) Pre-compressed (B) Pre-consolidated (C) Over-consolidated (D) All the above
Description : Liquids (A) Cannot be compressed (B) Occupy definite volume (C) Are not affected by change in pressure and temperature (D) None of the above
Description : Whitworth compressed steel is obtained when molten steel is subjected to a pressure of (A) 5 kg/mm2 (B) 9 kg/mm2 (C) 13 kg/mm2 (D) 15 kg/mm
Description : In simplex method, we add _______ variables in the case of “=” a. Slack variable b. Surplus variable c. Artificial variable d. None of the above
Last Answer : c. Artificial variable
Description : In simplex method, we add .......................... in the case of constraints with sign “=” a. Surplus variable b. Artificial variable c. Slack variable d. None of these
Last Answer : b. Artificial variable
Description : The compression resulting from a long term static load and consequent escape of pore water, is known as (A) Compaction (B) Consolidation (C) Swelling (D) None of these
Last Answer : (B) Consolidation