Description : Ryve's formula for flood estimate in cumecs, is (A) Q = CA3/4 (B) Q = CA2/3 (C) Q = CA1/2 (D) Q = CA1/4
Last Answer : Answer: Option B
Description : In the estimate of design flood, Dickens assumes that high flood in cumecs, is proportional to catchment area raised to the power (A) 1/4 (B) 1/2 (C) 3/4 (D) 2/3
Last Answer : Answer: Option C
Description : For the estimate of high floods in fan-shaped catchment, the formula used is (A) Dicken's formula (B) Ryve's formula (C) Inglis formula (D) None of these
Description : The number of ions in 1 M aqueous s 0lution of Ca3(PO4)2 will be (a) 5 (b) 11 (c) 13 (d) 2
Last Answer : Ans:(a)
Description : Chemical formula of single superphosphate fertilizer is (a) Ca(H2PO4) (b) CaHPO4 (c) Ca3(PO4) (d) Ca(H2PO4) CaSO42H2O
Last Answer : (a) Ca(H2PO4)
Description : Chemical formula of single super phosphate is— a. Ca(H2Po4) b. CaHPo4 c. Ca3(Po4) d. None of these
Last Answer : a. Ca(H2Po4)
Description : Chemical formula of single super phosphate is a. Ca(H2Po4) b. CaHPo4 c. Ca3(Po4) d. None of these
Description : For a given activity, the optimistic time, pessimistic time and the most probable estimates are 5, 17 and 8 days respectively, The expected time is (A) 8 days (B) 9 days (C) 10 days (D) 15 days
Last Answer : (B) 9 days
Description : The formula Q = P - K [1.8T + 32] in which Q is runoff, P is annual rain fall in cm, T is mean annual temperature in centigrade and K is a constant, is known (A) Justin's formula (B) Khosla's formula (C) English formula (D) Vermule's formula
Last Answer : (B) Khosla's formula
Description : To pump water from a water reservoir 3 m deep and maximum water level at 135 m, a pump is installed to lift water up to R.L. 175 m at a constant rate of 36,00,000 litres per hour. If the length of the ... the water horse power of the pump is (A) 400 (B) 450 (C) 500 (D) 600
Last Answer : (D) 600
Description : Consider the following statements The general depth of scour calculated by Lacey's formula in a river represents the depth below the: 1. Maximum flood level in the river 2. Minimum flow water level in the river 3. Normal flow water ... 2, 3 and 4 b) 1, 2 and 3 only c) 2, 3 and 4 only d) 1 only
Last Answer : d) 1 only
Description : You are a project manager for Move It Now trucking company. Your company specializes in moving household goods across the city or across the country. Your project involves upgrading the nationwide computer network for the ... the weighted average or expected value? A. 54 B. 66 C. 60 D. 30
Last Answer : C. 60
Description : A perfect gas has a value of R= 319.2 J/ kf.K and k= 1.26. If 120 kJ are added to 2.27 kf\g of this gas at constant pressure when the initial temp is 32.2°C? Find T2. a. 339.4 K b. 449.4 K c. 559.4K d. 669.4K formula: cp = kR/ k-1 Q= mcp(T2-T1)
Last Answer : 339.4 K
Description : Consider the following statements. In case of flood routing in a river channel by Muskingum method, the coefficient x represents : 1. A dimensionless constant indicating the relative importance of inflow and outflow in determining storage ... , 3 and 4 only (c) 1, 2 and 3 only (d) 2, 3 and 4 only
Last Answer : (b) 1, 3 and 4 only
Description : For estimating the run off of catchments, the mean value of the constant 'K' in the Khosla's formula Qy = Py - K (1.8 Ty + 32) is (A) 1.21 (B) 1.23 (C) 1.25 (D) 1.27
Last Answer : (D) 1.27
Description : The value of the universal gravitational constant, G is (a) 6.67 × 1011 Nm2/kg2 (b) 6.67 × 10+9 Nm2/kg2 (c) 6.67 × 10–9 Nm2/kg2 (d) 6.67 × 10–11 Nm2/kg2
Last Answer : Ans:(d)
Description : The peak of a 4 hour flood hydrograph is 240 m3 /sec. If the rainfall excess is 80 mm and base flow which is constant is 40 m3 /sec, peak of 4hours unit hydrograph will be (A) 20 m3 /sec (B) 25 m3 /sec (C) 30 m3 /sec (D) 35 m3 /sec
Description : Ca3 (Po4) 2 What kind of salt and what is its name ?
Last Answer : This is calcium phosphate. It is a calcium salt of phosphate group
Description : The main constituent of bones is (A) CaF2 (B) Ca3(PO4)2 (C) CaCO3 (D) CaCl2
Last Answer : (B) Ca3(PO4)2
Description : An R.C.C. beam of 25 cm width and 50 cm effective depth has a clear span of 6 metres and carries a U.D.L. of 3000 kg/m inclusive of its self weight. If the lever arm constant for the section is 0.865, the maximum intensity ... , is (A) 8.3 kg/cm2 (B) 7.6 kg/cm2 (C) 21.5 kg/cm2 (D) 11.4 kg/cm2
Last Answer : Answer: Option A
Description : The average of 12 numbers is 7.9. The average of 5 of them is 6.8, while the average of other five is 7.7. what is the average of the remaining 2 numbers? A) 10.25 B) 11.15 C) 12.65 D) 13.25
Last Answer : B) Sum of the remaining 2 numbers = [(12 * 7.9) – (586.8) – (5*7.7)] = 94.8 – 34 – 38.5 = 22.3 Required average = 22.3 / 2 = 11.15
Description : Engineering news formula for obtaining safe bearing capacity of pile for drop hammer, is, (A) Q = Wh/6 (S + 2.5) (B) Q = Wh/2.5 (S + 6) (C) Q = (W × 6)/h (S + 2.5) (D) Q = (W × 2.5)/6 (S + h)
Description : If total run off of a basin of 50 hectares is 0.8 cm, the ordinate of Bernard's distribution graph, may be calculated by the formula (where Q is the discharge in cumecs at the given time) (A) y = 50 Q (B) y = 100 Q (C) y = 200 Q (D) y = 250 Q
Last Answer : Answer: Option D
Description : The hydrologic risk of a 100-year flood occurring during the 2-year service life of a project is (a) 9.8% (b) 9.9% (c) 19.9% (d) 1.99%
Last Answer : (d) 1.99%
Description : If air is at pressure, p, of 3200 lbf/ft2 , and at a temperature, T, of 800 ˚R, what is the specific volume, v? (R=5303 ft-lbf/lbm-˚R, and air can be modeled as an ideal gas.) A.9.8 ft^3/lbm B.11.2 ft^3/lbm C.13.33 ft^3/lbm D.14.2 ft^3/lbm Formula: pv = RT v = RT / p
Last Answer : 13.33 ft^3/lbm
Description : Burge formula Q = 19.6 (A/L2/3) cumecs is based upon (A) Rainfall and drainage area (B) Run off and drainage area (C) Drainage area and its shape (D) Drainage area
Description : In a pressure penstock 4500 m long, water is flowing at a velocity of 4 m/s. If the velocity of the pressure wave traveling in the pipe, due sudden complete closure of a valve at the downstream end, is ... period of oscillation in second under frictionless conditions? (a) 6 (b) 8 (c) 9 (d) 11
Last Answer : (a) 6
Description : P,Q & R are on a journey by scorpio. P drives during the 1st 2 hrs at an average speed of 60 km/hr. Q drives during the next 3 hrs at an average speed of 58 km/hr R drives for the next 4 hrs at an average speed of 62 ... exactly 5 hrs. Their main speed is. a) 60 2/9 b) 62 2/9 c) 60 4/8 d) 62 4 /8
Last Answer : A Distance covered by P = 2*60 = 120 km Distance covered by Q = 3* 58 = 174 km Distance covered by R = 4*62 = 248 km Total distance = (120+174+248)km =542 km Total time taken = 2+3+4 = 9 hrs Mean speed = diatance/ time =(542 / 9)km/hr =60 2/9 km/hr
Description : From the steam table, determine the average constant pressure specific heat (c) of steam at 10 kPa and45.8 ˚C A.1.79 kJ/ kg-˚C B.10.28 kJ/ kg-˚C C.30.57 kJ/ kg-˚C D. 100.1 kJ/ kg-˚C Formula: h = c T ∆ ∆ From the steam table At 47.7 ˚C h= 2588.1 kJ/ kg At 43.8 ˚C h= 2581.1 kJ/ kg
Last Answer : 1.79 kJ/ kg-˚C
Description : The average of 3,8,7 and a is 6 and the average of 19,2,7, a and b is 11. What is the value of b? A) 11 B) 21 C) 31 D) 41
Last Answer : B) We have (3+8+7+a+6/5)=6 24 =a = 30 A=6 Also (19+2+7+a+b/5)=11 19+2+7+6+b=55 34+b=55 b=21
Description : ¾th or ¼th extra space is left in sewer pipes at maximum discharge for A. Low estimates of the average and maximum flows B. Large scale infiltration of storm water C. Unexpected increase in population D. All the above
Last Answer : ANS: D
Description : Sewer pipes are designed for maximum discharge with 25% to 33% vacant cross-sectional area for A. Unexpected large scale infiltration of stream water B. Unexpected increase in the population C. Under estimates of maximum and average flows D. All of the above
Description : The National Council on Radiation Protection and Measurements estimates that the average exposure to ionizing radiation tha individual Americans receive annually from ALL sources is about: w) 60 millirem x) 100 millirem y) 360 millirem z) 500 millirem
Last Answer : ANSWER: Y -- 360 MILLIREM
Description : method requires the following data pertaining annual flood series (i) Mean value (ii) Standard deviation (iii) Length of record (iv) Coefficient of skew The correct answer is (A) (i) and (ii) (B) (i),(i) and (iii) (C) (i), (ii) and (iv) (D) (i), (ii), (iii) and (iv)
Description : Ten cu. ft of air at 300psia and 400°F is cooled to 140°F at constant volume. What is the transferred heat? a.-120Btu b. -220Btu c.-320Btu d. -420Btu formula: Q= mcv(T2-T1)
Last Answer : -420Btu
Description : P,Q, R enter into a partnership.P initially invests Rs 54 lakh and withdraws Rs 18 lakhs after 4 years. Q initially Rs 72 lakh ans adds another Rs 18 lakhs after 6 years and R invests Rs 108 lakh and adds another ... Then for how many years did R invests Rs 126 lakh per annum A) 5 B) 7 C) 8 D) 11
Last Answer : Answer: C) Ratio of their profit P, Q, R is 54*4+36*6:72*6+90*4:108*x+126*(10-x) =12:22:35 - 0.5x Profit of R=profit of P +profit of Q 35-0.5x=12+22 X=2 year The number of years for R invests Rs 126 lakh =10-2=8years
Description : Estimates of a water supply project depends upon the rate of water supply per capita consumption and probable population estimated at the end of the design period of (A) 5 to 10 years (B) 10 to 15 years (C) 15 to 20 years (D) 20 to 30 years
Last Answer : (D) 20 to 30 years
Description : Utilizing the answer to the previous problem, estimate the overall or average increase in temperature ( ΔT) of the concrete roof from the energy absorbed from the sun during a12hour day. Assume that all of the radiation absorbed goes into ... °C b. 8.9°C c. 9.9°C d. 10.9°C formula: ΔQ = m c ΔT
Last Answer : 7.9 °C
Description : The three time estimates for the activities of the network shown in the given figure are shown above their arrows. The earliest expected time for the event 4, is (A) 19 (B) 14 (C) 24 (D) None of these
Last Answer : (A) 19
Description : The object of technical planning, is (A) Preparation of specifications (B) Preparation of estimates (C) Initiating the procurement action of resources (D) All the above
Last Answer : (D) All the above
Description : In PERT analysis, the time estimates of activities and probability of their occurrence follow (A) Normal distribution curve (B) Poisson's distribution curve (C) Beta distribution curve (D) None of the above
Last Answer : (C) Beta distribution curve
Description : If P is population of a city in thousands and Q is fire demand in litres per minute, for proper estimate of water, the Empirical formula Q = 1135 [(P/5) + 10] is suggested by (A) National Board of fire under-writers (B) Freeman (C) Kuichling (D) None of these
Last Answer : (B) Freeman
Description : Most satisfactory formula for an estimate of fire demand Q for a city of population P in thousands for Indian conditions, is (A) Q = 1115 (p/5 + 20) (B) Q = 1640 P (1 - 0.01 P) (C) Q = 3180 P (D) None of these
Last Answer : (C) Q = 3180 P
Description : Pettis formula Q = C (P.B)5/4 cumecs, is based upon (A) Rainfall and drainage area (B) Run off and drainage area (C) Drainage area and its shape (D) Drainage area
Description : The average mean velocity of a stream having depth h, may be obtained by taking the average of the readings of a current meter at a depth of (A) 0.1 h and 0.9 h (B) 0.2 h and 0.8 h (C) 0.3 h and 0.7 h (D) 0.4 h and 0.6 h
Description : The aqueduct or super-passage type of works are generally used when (A) High flood drainage discharge is small (B) High flood drainage discharge is large and short lived (C) High flood drainage discharge is large and continues for a long time (D) None of the above
Description : Which of the following methods is used to estimate flood discharge based on high water marks left over in the past? (A) Slope-area method (B) Area-velocity method (C) Moving boat method (D) Ultrasonic method
Description : In 2000, a part of Rs. 30 lakhs was invested in Company P and the rest was invested in Company Q for one year. The total interest received was Rs. 2.43 lakhs. What was the amount invested in Company P? A. Rs.9 lakh B. Rs.11 lakh C.Rs. 12 lakh D.Rs.18 lakh E. None of these
Last Answer : D.Rs.18 lakh
Description : P, Q, R invested in the ratio of 15:16:17. After the end of the business teram they receives the profit in the ratio 9:10:11. Find the ratio of time in which they invested in the business. A) 934:1699:1578 B)1224:1275:1320 C)1578:1668:8096. D) None
Last Answer : Answer: B) P, Q, R invest the amount in the ratio 15:16:17 T1, T2, T3 are time for investment profit gained =investment × time Profit ratio= 9: 10: 11=15 × T1 :16 × T2 : 17 × T3 T1:T2:T3 =1224:1275:1320
Description : Two mail trains Pand Q of 300 m and 600m, run at speed of 130 km/hr and 160 km/hr respectively, in the direction opposite direction to each other. Find the time required to cross each other after the moment they met? A) 11.17 sec B) 12sec C) 9.10sec D) 21sec
Last Answer : ANSWER:A Explanation: Length of train P = 300 m Length of train Q = 600 m Speed of train p = 130 kmph Convert km/hr into m/s, Speed of train p =(130 *5/18)m/s = 650/18 m/s = 36.11 m/ ... train B) = (300+600)m = 900 m We know, time =distance /speed = 900/ 80.55 = 11.17seconds