Description : In guniting/ shotcreting , water cement ratio is kept as a) 0.4 to 0.5 b) 0.3 to 0.4 c) 0.25 to 0.35 d) 0.35 to 0.5*
Last Answer : d) 0.35 to 0.5*
Description : In cement pressure grouting, water cement ratio is kept as a) 0.4 to 0.5* b) 0.3 to 0.4 c) 0.25 to 0.35 d) 0.35 to 0.5
Last Answer : a) 0.4 to 0.5*
Description : Standard bag of cement in ……… kg a) 52 kg b) 30.5kg c) 10.7kg d) 50 kg*
Last Answer : d) 50 kg*
Description : The reverberation time of a 184.2 cubic meters broadcast studio is 0.84 sec. Find the absorption effect of the materials used in metric sabines. A. 35.3 B. 10.96 C. 379.8 D. 109.6
Last Answer : A. 35.3
Description : 32 kmph 11.What is the weight per meter length of 52 kg Rail? a. 54.14 kg b. 50.25 kg c. 51.89 kg* d. 53.85 kg
Last Answer : c. 51.89 kg*
Description : 3.0 lbm of air are contained at 25 psia and 100 ˚F. Given that Rair = 53.35 ft-lbf/lbm- ˚F, what is the volume of the container? A.10.7 ft^3 B.14.7 ft^3 C.15 ft^3 D.24.9 ft^3 Formula: use the ideal gas law pV = mRT T = (100 +460) ˚R V = mRT/p
Last Answer : 24.9 ft^3
Description : Number of bricks required for 1 cubic meter of brick masonry is a)400 b) 450 c) 500* d) 550
Last Answer : c) 500*
Description : If it takes one bag of cement to cover 10 sq. meters of path how many bags of cement will you buy to cover a path that is 21 m long and 2.5 m?
Last Answer : First you need to work out how many square meters are in thepath. To do that multiply 21 by 2.521 X 2.5 = ?sqmYou know one bag of cement will cover 10 sqm so to find out howmany bag are needed for the path divide the answer of 21 X 2.5 by10?/10 =6 bags
Description : Two cubic meters of a gas at 30 degrees Kelvin are heated at a constant pressure until the volume doubles. What is the final temperature of the gas?
Last Answer : 60
Description : A rectangular room is 6m long, 5m wide and 4m high. What is the total volume of the room in cubic meters? A. 24 B. 30 C. 120 D. 240
Last Answer : ANSWER: C
Description : A rectangular room is 6m long, 5m wide and 4m high. What is the total volume of the room in cubic meters? A. 24 B. 30 C. 120 63 D. 240
Description : Water required per bag of cement, is (A) 7 kg (B) 14 kg (C) 21 kg (D) 35 kg
Last Answer : (D) 35 kg
Description : For one bag of cement water required is (a) 10 kg (b) 30 kg (c) 35 kg (d) 39 kg
Last Answer : (c) 35 kg
Description : One bag of cement is equivalent to [ A ] 50 litres [ B ] 35 litres [ C ] 28 litres [ D ] 14 litres
Last Answer : [ B ] 35 litres
Description : The colour of bag containing Portion for 110 UTS ? (i) Red (ii) Green (iii) Pink (iv) Black*
Last Answer : iv) Black*
Description : he colour of bag containing Portion for 90 UTS ? (i) Red (ii) Green * (iii) Pink (iv) Black
Last Answer : ii) Green *
Description : The colour of bag containing Portion for 72 UTS ? (i) Pink (ii) Green (iii) Red * (iv) Black
Last Answer : (iii) Red *
Description : 1. Which of the statements with regard to formation is correct (1) One of the Functions of the formation is to facilitate drainage (2) Width of bank for double railway line is 12.155 meters (3) Width of cutting for double railway track is 11. ... a) 2, 3, 5 b) 3, 4, 5* c) 2, 3, 4 d) 2, 4, 5
Last Answer : b) 3, 4, 5*
Description : The Height Gauge for a level crossing should be located at least --------- from the gate post a) 3 meters b) 5 meters c) 8 meters* d) 10 meters
Last Answer : c) 8 meters*
Description : There should not be any combination joint on level crossing proper and its approaches up to a) 15 meters b) 30 meters c) 40 meters d) 50 meters
Last Answer : d) 50 meters
Description : In case of Shot Welded Rails the fish plated joint should be avoided on Level Crossings within a distance of --------- from end of level crossing a) 3 meters b) 4 meters c) 5 meters d) 6 meters*
Last Answer : d) 6 meters*
Description : Minimum length of check rail for square crossing shall be -------- more than the width of gate a) 1 meters b) 2 meters* c) 3 meters d) 5 meters
Last Answer : b) 2 meters*
Description : Speed breaker of approved design shall be provided on either side of level crossing at ------ within Railway boundary a) 5 meters b) 15 meters c) 20 meters* d0 30 meters
Last Answer : c) 20 meters
Description : Stop boards on either side of approaches of all unmanned level crossings shall be provided at -------------from the centre line of nearest track. a) 3meters b) 5 meters* c) 6 meters d) 10 meters
Last Answer : b) 5 meters*
Description : Fish plated joint shall be avoided in check raisl and on the running rails within--------- from the end of level crossing a) 3 meters* b) 5 meters c) 10 meters d) 12 meters
Last Answer : a) 3 meters*
Description : On Broad Gauge tracks Banner flag at a level crossing shall be provided at a distance of--- ---------- from ends of check rail before opening the gate for road traffic. a) 5 meters* b) 3 meters c) 6 meters d) 30 meters
Last Answer : a) 5 meters*
Description : On Broad gauge tracks whistle indicator shall be provided at a distance of ---------- from level crossing along the track a) 400 meters b) 600 meters* c) 350 meters d) 500 meters
Last Answer : b) 600 meters*
Description : Minimum distance of duty hut from centre line of nearest track on BG is a) 2 meters b) 3 meters c) 4 meters d) 6 meters*
Description : Minimum distance of gate post from centre line of nearest track on BG is a) 2 meters b) 3 meters* c) 4 meters d) 5 meters
Last Answer : b) 3 meters*
Description : The rail joint should be located at ----------- from the end of level crossing a) 2 meters b) 3 meters * c) 5 meters d)6 meters
Last Answer : b) 3 meters
Description : Speed breaker has to be provided on road approaches of level crossing at maximum feasible distance within Railway boundary but not exceeding a) 10 meters b) 15 meters c) 20 meters* d) 200 meters
Last Answer : c) 20 meters*
Description : On an unmanned level crossing stop board should be provided at a distance of --------- from the centre of nearest track a) 5 meters * b) 6 meters c) 3 meters d) 7.5 meters
Last Answer : a) 5 meters
Description : For protection of level crossing gate in an emergency on BG double line the Gateman should place one detonator at one place and 3 detonators at a subsequent place at a distance of ------- a) and------ ... c) 500 meters and 1000 meters d) 600 meters and 1200 meters* e) 800 meters in 1500 meters
Last Answer : d) 600 meters and 1200 meters*
Description : Indication post for detonator should be provided at a distance of ---------meter and --------- meter for BG level crossing a) 400 meters in 800 meters b) 500 meters and 1200 meters c) 600 meters and 1200 meter * d)600 meters and 1000 meters
Last Answer : c) 600 meters and 1200 meter *
Description : What is 0.035 in fraction form?
Last Answer : 7 over 200.
Description : The safe length L of a valley curve for night travel is (A) 2S - (1.50 + 0.035 S)/N if L < S (B) NS²/(1.50 + 0.035 S) if L > S (C) Neither (a) nor (b) (D) Both (a) and (b
Last Answer : Answer: Option D
Description : A slow setting cement will have higher percentage of a) tricalcium aluminate b) tricalcium silicate c) Gypsum d) Dicalcium silicate*
Last Answer : C2s
Description : The constituent of cement which act as Binders are a) Sand and silica b) Silica and carbon c) tricalcium silicate dicalcium silicate and carbon d) tricalcium aluminate,dicalcium silicate and tricalcium silicate *
Last Answer : d) tricalcium aluminate,dicalcium silicate and tricalcium silicate *
Description : The setting and hardening of cement after addition of water is due to a) Binding action of water b) Evaporation of water c) Hydration and hydrolysis of some constituent compounds of cement* d) Additional hardening compounds added to cement
Last Answer : c) Hydration and hydrolysis of some constituent compounds of cement*
Description : Soundness test of cement is done to determine its a) Durability in seawater b) Free lime content* c) Iron oxide content d) Alumina content
Last Answer : b) Free lime content*
Description : The approximate ratio between the strength of cement concrete at seven days and 28 days is a) 3/ 4 b) 2/3* c) 1/2 d) 1/3
Last Answer : b) 2/3*
Description : Le Chatelier apparatus is used to determine which of the following properties for cement A) Soundness* b) Initial setting time c) Compressive strength d) Tensile strength
Last Answer : A) Soundness*
Description : Which type of following cement is used for mass concrete work a) High Alumina cement b) Quick setting cement c) Rapid hardening cement d) Low heat cement*
Last Answer : d) Low heat cement*
Description : fter storage, strength of cement a) Decreases* b) Increases c) Remains same d) Depends upon the type of cement
Last Answer : a) Decreases*
Description : The main ingredients of Portland cement are a) Lime and silica* b) Lime and Alumina c) Alumina magnesia d) Silica and Alumina
Last Answer : a) Lime and silica*
Description : An artificial stone made from pieces of white marble, white cement and other coloring agents, generally used for floor and facing walls is known as a) Topaz b) Marble c) Terrazzo* d) Gneiss
Last Answer : c) Terrazzo*
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*
Description : Which cement should not be used for bridge slabs ro RCC frames a) OPC b) Portland Pozzolana cement * c) Portland furnace slag cement d) Rapid hardening cement
Last Answer : b) Portland Pozzolana cement *
Description : CC Crib stands for a) Cement concrete b) Criss crossing c) Christ church* d) None of the above
Last Answer : c) Christ church*
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*