Description : If F is the fetch, the straight line distance of open water available in kilometres, the height of the wave in metres is (A) 0.15 (B) 0.20 (C) 0.28 (D) 0.34
Last Answer : (D) 0.34
Description : For calculation of economical diameter D of a pipe in metres for a discharge Q to be pumped in cumecs, Lea suggested the empirical formula (A) D = 0.22 Q (B) D = 1.22 Q (C) D = 2.22 Q (D) D = 3.22 Q
Last Answer : (B) D = 1.22 Q
Description : A problem Drum ( 3 ft. diameter ; 6 ft. height ) is field with a fluid whose density is 50 lb/ft^3. Determine the total volume of the fluid. A. 42.41 ft^3 B.44.35 ft^3 C.45.63 ft^3 D.41.23 ft^3 Formula: Vf = (pi d^2 h) / 4
Last Answer : 42.41 ft^3
Description : As per Berlin's formula, the length of wave in metres is given by (Where nds for two successive waves to pass the same section.) (A) 1.3412 (B) 1.5612 (C) 1.7412 (D) 1.9412
Last Answer : (B) 1.5612
Description : The approximate height of a blast furnace having a useful volume of 2000 m3is about __________ metres (A) 25 (B) 35 (C) 55 (D) 75
Last Answer : (C) 55
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 : For calculating the allowable stress of long columns. The empirical formula 0 y/n) (1 - a l/r), is known as (A) Straight line formula (B) Parabolic formula (C) Perry's formula (D) Rankine's formula
Last Answer : (A) Straight line formula
Description : For calculating the permissible stress 0 y /[(1 + a(l/r)²]is the empirical formula, known as (A) Straight line formula (B) Parabolic formula (C) Perry's formula (D) Rankine's formula
Last Answer : (D) Rankine's formula
Description : For calculating the allowable stress of long columns 0 y/n [1 - a (1/r)²]is the empirical formula, known as (A) Straight line formula (B) Parabolic formula (C) Perry's formula (D) Rankine's formula
Last Answer : (B) Parabolic formula
Description : With the usual meanings of letters, the equation V = 400 I (D10²/4) is used for determining the velocity of ground water flow in metres per day. It is known as (A) Meinzer's formula (B) Slichter's formula (C) Darcy's formula (D) Hazen's formula
Last Answer : Answer: Option B
Description : The equation V = (1000 ID10²/60) × (1.8T + 42) which is used for determining the velocity of ground water flow in metres per day is known as (A) Meinzer's formula (B) Slichter's formula (C) Darcy's formula (D) Hazen formula
Last Answer : Answer: Option D
Description : If C is basic capacity per lane, V is velocity in km/hour, S is stopping distance plus length of the vehicles in metres, the formula C = 1000V/S is applicable to (A) District roads (B) Two lane roads (C) Two lane roads in one direction (D) None of these
Last Answer : Answer: Option C
Description : The fire demand for ascertaining the empirical formula 1136.5 [(P/10) + 10] known as (A) Kuichling's formula (B) Buston's formula (C) Freeman formula (D) Under Writers formula
Last Answer : (C) Freeman formula
Description : What is the molecular formula of a compound with an empirical formula of C2OH4 and a molar mass of 88 grams per mole?
Last Answer : This compound may be dioxane - C4H8O2.
Description : Design of flexible pavements is based on (A) Mathematical analysis (B) Empirical formulae (C) A compromise of pure theory and pure empirical formula (D) None of these
Description : If the cohesive force (c), is 1.5 t/m2 , the density ) of the soil is 2.0 t/m3 , factor of safety (F) is 1.5 and stability factor (Sn) is 0.05, the safe height of a slope, is (A) 5 metres (B) 8 metres (C) 10 metres (D) 12 metres
Last Answer : (C) 10 metres
Description : H2S is being absorbed in a gas absorber unit. The height of the transfer unit based on the overall mass transfer coefficient on the gas side is 0.4 m. The equilibrium data is given by, y = 1.5 x. The bulk concentration of H2S ... by, y = 5x + 0.001 is (A) 2.0 (B) 1.56 (C) 1.0
Last Answer : (A) 2.0
Description : In troposphere (the weather domain), the temperature 't' at height 'h' above the spa level in metres is given by (where, temperature at sea level is 15°C and t is in °C.) (A) t = 15 - 0.0065h (B) t = 15 + 0.0065h (C) t = 0.0035h -15 (D) t = 15 - 0.0035h
Last Answer : (A) t = 15 - 0.0065h
Description : In troposphere (the weather domain), the temperature 't' at height 'h' above the sea level in metres is given by (where, temperature at sea level is 15°C and t is in °C.) (A) t = 15 - 0.0065 h (B) t = 15 + 0.0065 h (C) t = 0.0035 h - 15 (D) t = 15 - 0.0035 h
Last Answer : (A) t = 15 - 0.0065 h
Description : If the VF Corporation will be spending £2 million on marketing activities next year and expects to sell 30 million pairs of jeans, the 30 million pairs represents the company's: A)sales potential B)market potential C)sales forecast D)market sales
Last Answer : D)market sales
Description : Write any four advantages of VF signalling over DC signalling.
Last Answer : Ans: Advantages of VF signaling over DC signaling: 1) Large number of circuits can be easily derived over a single pair of wires (single pair can control 18 stations). 2) Signal attenuation can be ... Can be used over long distances. 5) Can be used where large number of equipment can be controlled
Description : Izzard formula for the time of concentration in minutes for the plots having no channels, is (where Lo is the length of overland flow in metres and Kp rainfall intensity in cm/hour) (A) T = 111 b. L0 1/3/(Kp)2/3 (B) T = 222 b. L0 1/2/(Kp)1/3 (C) T = 333 b. L0/Kp (D) T = 111 b. L0 1/3/(Kp)2/5
Last Answer : Answer: Option A
Description : If A is the projected area of a vehicle in square metres, V is speed of the vehicles in kilometres per hour and C is a constant, then the wind resistance R to the moving vehicles, is given by (A) R = CAV (B) R = CAV2 (C) R = CAV3 (D) R = C 2AV
Description : In order to avoid segregation, fresh concrete should be dropped from a height of [ A ] Less than one meter [ B ] Less than two metres [ C ] More than one metre [ D ] More than two metres
Last Answer : [ A ] Less than one meter
Description : If the velocities of flow of a stream of 10 m depth recorded by a current meter at depths of 2 m and 8 m are 0.7 m and 0.3 m respectively, the discharge per unit width of the stream in cubic metres, is (A) 2 (B) 3 (C) 4 (D) 5
Description : The approximate formula for radial or perpendicular offsets from the tangent, is (A) x/2R (B) x²/2R (C) x/R (D) x²/R
Last Answer : (B) x²/2R
Description : Approximate age of earth is ----? A. 4.14 billion years B. 4.64 billion years C. 4.54 billion years (Answer) D. 4.34 billion years
Last Answer : C. 4.54 billion years (Answer)
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
Description : In a reservoir the average volume of sediment deposition is 0.15 million cubic per year. If the dead storage and total capacity of the reservoir are 8 million cubic metres and 36 million cubic metres respectively, (A) The ... reducing after 60 years (C) Both (a) and (b) (D) Neither (a) nor (b)
Last Answer : (C) Both (a) and (b)
Description : Determine the empirical formula of an oxide of iron that has 69.9% iron & 30.1% dioxygen by mass. -General Knowledge
Last Answer : Given: % of iron by mass = 69.9 % % of oxygen by mass = 30.1 % Relative moles of iron in iron oxide: = Percentage of iron by mass/Atomic mass of iron = 69.9/55.85 = 1.25 Relative moles of oxygen in iron ... to oxygen: = 1.25: 1.88 = 1:1.5 = 2:3 ∴ The empirical formula of the iron oxide is Fe2O3.
Description : The empirical formula of an acid is `CH_(2)O_(2)`, the probable molecular formula of acid may be :-
Last Answer : The empirical formula of an acid is `CH_(2)O_(2)`, the probable molecular formula of acid may be :- A. `CH_(2)O` ... )H_(4)O_(2)` D. `C_(3)H_(6)O_(4)`
Description : The magnetic moment for two complexes of empirical formula `Ni(NH_(3))_(4)(NO_(3))_(2).2H_(2)O` is zero and 2.84 BM respectively. The second complex i
Last Answer : The magnetic moment for two complexes of empirical formula `Ni(NH_(3))_(4)(NO_(3))_(2 ... . D. It produces three-fold freezing point depression.
Last Answer : The magnetic moment for two complexes of empirical formula `Ni(NH_(3))_(4)(NO_(3))_(2).2H_(2)O` is zero and ... (H_(2)O)_(2)](NO_(3))_(2)`, octahedral
Last Answer : The magnetic moment for two complexes of empirical formula `Ni(NH_(3))_(4)(NO_(3))_(2).2H_(2)O` is zero ... two B. zero, zero C. two, zero D. two ,two
Description : What is the empirical formula for hydrogen peroxide?
Last Answer : HO
Description : What is the empirical formula for a molecule containing 46.8 Si and 53 O?
Last Answer : Since the ratio of atomic masses of silicon and oxygen is1:1.988, the empirical formula is SiO2.
Description : Is definitely not an empirical formula C12H16O3 C6H12O4 C12H22O11 C3H8O2?
Last Answer : All are molecular formulas.
Description : so3 is an empirical formula for which of the following A. so4B.s2o6C.s4o2D.s2o3?
Last Answer : B. s2o6
Description : Which best describes an empirical formula?
Last Answer : Apex
Description : What is the total number of ions in the empirical formula NaOH?
Last Answer : Sodium Hydroxide is an ionic compound formed by two ions.
Description : Empirical formula?
Last Answer : A 0.1845g sample of molybdenum metal is covered with hydrochloric acid and heated until the reaction is complete and excess chlorine is driven off. When weighed, the final product of the metal and chlorine had a mass of 0.5936g. What is the empirical formula if the compound?
Description : The empirical formula for chlorophyll-a is: (a) C35 H72 O5N4 Mg (b) C65 H70 O6N4 Mg (c) C55 H72 O5N4 Mg (d) C45 H70 O6N4 Mg
Last Answer : Ans. ((c))
Description : An organic compound (A) has a molecular weight 78 and an empirical formula CH. (A) is resistant to attack by oxidizing agents but undergoes substitution and addition reactions. X-ray analysis shows that the ... suggests that compound (A) is (a) Benzene (b) Cyclohexane (c) Toluene (d) n-Hexane
Last Answer : Benzene
Description : What Is The Empirical Formula Used To Give The Number Of Bolts In Flange Coupling?
Last Answer : n = 0.2d + 3
Description : If two compounds have the same empirical formula but different molecular formula, they must have [MP PMT 1986] (A) Different percentage composition (B) Different molecular weights (C) Same viscosity (D) Same vapour density
Last Answer : (B) Different molecular weights
Description : Give the EMPIRICAL formula for the organic compound cyclopentene.
Last Answer : ANSWER: C5H8
Description : What is the empirical formula for fructose?
Last Answer : ANSWER: CH2O