For the network shown in the given figure, the expected time for the activity
(A) 1-2 is 4
(B) 2-3 is 7
(C) 3-4 is 8
(D) All the above

1 Answer

Answer :

(D) All the above

Related questions

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 : 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 : 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 : 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 : If an activity has its optimistic, most likely and pessimistic times as 2, 3 and 7 respectively, then its expected time and variance are respectively (A) 3.5 and 5/6 (B) 5 and 25/36 (C) 3.5 and 25/36 (D) 4 and 5/6

Last Answer : (C) 3.5 and 25/36

Description : If a is the optimistic time, b is the pessimistic time and m is most likely time of an activity, the expected time of the activity, is (A) (a + m + b)/6 (B) (a + 2m + b)/6 (C) (a + 4m + b)/6 (D) (a + 5m + b)/6

Last Answer : (C) (a + 4m + b)/6

Description : The reduced levels of points, 30 metres apart along the longitudinal section of a road portion between chainages 5 and 9 are shown in the given figure. If there is a uniform up-gradient of the road 120 in 1, the chainage ... 15) chains (B) (6 + 12) chains (C) (6 + 18) chains (D) None of these

Last Answer : (B) (6 + 12) chains

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 : The value of 'A' of Indian type W.C. shown in the given figure is: (A) 25 cm (B) 30 cm (C) 40 cm (D) 45 cm

Last Answer : (B) 30 cm

Description : The value of 'C' of Indian type W.C. shown in the given figure is: (A) 400 mm (B) 450 mm (C) 500 mm (D) 550 mm

Last Answer : (C) 500 mm

Description : The value of 'B' of Indian type W.C. shown in the given figure is: (A) 45 cm (B) 50 cm (C) 30 cm (D) 25 cm

Last Answer : (A) 45 cm

Description : The cross-section of a road partly in banking and partly in cutting is shown in the given figure. The area of the shaded portion is (A) b - rd)²/(r - s) (B) b - rd)²/(r + s) (C) ½ × (b + rd)²/(r - s) (D) b - rd)²/(s - r)

Last Answer : (A) b - rd)²/(r - s)

Description : The area of the cross-section of a road fully in banking shown in the given figure, is (A) [sb² + r² (2bd + sd)²]/(r² - s²) (B) [sb² + r² (2bd + sd)²]/(r² - s5 ) (C) [sb² + r² (2bd + sd)²]/(r - s) (D) None of these

Last Answer : (A) [sb² + r² (2bd + sd)²]/(r² - s²)

Description : In sea urchin DNA, which is double stranded, 17% of the bases were shown to be cytosine. The percentages of the other three bases expected to be present in this DNA are (a) G 17%, A 33%, T 33% (b) G 8.5%, A 50%, T 24.5% (c) G 34%, A 24.5%, T 24.5% (d) G 17%, A 16.5%, T 32.5%.

Last Answer : (a) G 17%, A 33%, T 33%

Description : The equivalent resistance resistance between A and B of network shown in figure is

Last Answer : The equivalent resistance resistance between A and B of network shown in figure is A. `(3R)/(4)` B. `(4R)/(3)` C. 6 R D. 2 R

Description : The effective resistance between points A and C for the network shown figure is

Last Answer : The effective resistance between points A and C for the network shown figure is A. `(2)/(3)R` B. `(3)/(2)R` C. 2R D. `(1)/(2R)`

Description : In the network of resistors shown in the adjoining figure, the equivalent resistance between A and B is

Last Answer : In the network of resistors shown in the adjoining figure, the equivalent resistance between A and B is A. 54 ... `Omega` C. 36 `Omega` D. 9 `Omega`

Description : Consider the following statements regarding the network shown in the figure. The eqivalent resistance of the network between points A and B is indepen

Last Answer : Consider the following statements regarding the network shown in the figure. The eqivalent resistance of the network between ... D. (1), (2) and (3)

Description : Consider the star network shown in figure. The resistance between terminals A and B with C open is 6 ohms, between terminals B and C withAopen is 11 ohms and between terminals C andAwith B open is 9 ohms. Then RA, RB, RC respectively is 

Last Answer : Consider the star network shown in figure. The resistance between terminals A and B with C open is 6 ohms, between terminals B and C withAopen is 11 ohms and between terminals C andAwith B open is 9 ohms. Then RA, RB, RC respectively is  2, 4,7

Description : A vertically immersed surface is shown in the below figure. The distance of its centre of pressure from the water surface is (A) (bd²/12) + (B) (d²/12 ) + (C) b²/12 + (D) d²/12 +

Last Answer : Answer: Option B

Description : Pick up the incorrect statement from the following: (A) The various functions under each activity, are shown by one bar on Bar Charts (B) Bar chart establishes the interdependency of one event on another (C) Only approximate percentage of the completed work is reported (D) None of these

Last Answer : (B) Bar chart establishes the interdependency of one event on another

Description : In the circuit shown in figure switch S is closed at time t=0 Potential difference across `3Omega` resistance at time t is given by

Last Answer : In the circuit shown in figure switch S is closed at time t=0 Potential difference across `3Omega` resistance at time t ... 2t)` D. `18(1-e^(-t//9))`

Description : In the circuit shown in figure switch S is closed at time t=0 Current I from the battery at time t is given by

Last Answer : In the circuit shown in figure switch S is closed at time t=0 Current I from the battery at time t is given by A. ` ... 3(1-e^(-t//9)) D. `3-e^(-2t)`

Description : The first order gas phase reaction as shown in the bellow figure is conducted isothermally in batch mode. The rate of change of conversion with time is given by (A) dXA /dt = k1 (1 - XA ) 2 (1 + 2XA ) (B) dXA /dt = k1 (1 - XA ... 5XA ) (C) dXA /dt = k1 (1 - XA ) (D) dXA /dt = k1 (1 - XA )/(1 + XA )

Last Answer : (C) dXA /dt = k1 (1 - XA

Description : If the expected time of completion of a project is 60 weeks with a standard deviation of 5 weeks, the probability of completing the project in 50 weeks and 65 weeks respectively will be (A) 2.3% and 84.1% (B) 97.7% and 84.1% (C) 97.7 % and 15.9% (D) 15.9% and 97.7%

Last Answer : (A) 2.3% and 84.1%

Description : Figure 'D' shown in the illustration represents a/an ____________. EL-0078 A. DIP IC chip B. integrated diac/triac envelope C. TO-5 flat pack D. 7-segment BCD display

Last Answer : Answer: A

Description : An amusement fair was organised in a circular park for the children of slum clusters. Free food was supplied to them at 4 stalls situated at A, B, C and D as shown in the given figure. -Maths 9th

Last Answer : (i) From figure , it is clear that angle between the lines joining stalls C,D and stalls C, B is ∠BCD . Given, ∠DBC = 60° and ∠BAC = 40° CD is a chord of circle. Here, ∠CBD and ... for society. (iii) Other social issues for which such compaigns are required, are old age home, orphanages, etc.

Description : An amusement fair was organised in a circular park for the children of slum clusters. Free food was supplied to them at 4 stalls situated at A, B, C and D as shown in the given figure. -Maths 9th

Last Answer : (i) From figure , it is clear that angle between the lines joining stalls C,D and stalls C, B is ∠BCD . Given, ∠DBC = 60° and ∠BAC = 40° CD is a chord of circle. Here, ∠CBD and ... for society. (iii) Other social issues for which such compaigns are required, are old age home, orphanages, etc.

Description : Write a code to plot the speed of a passenger train as shown in the figure given below: -Technology

Last Answer : import matplotlib.pyplot as pltimport numpy as npx = np.arange(1, 5)plt.plot(x, x*1.5, label='Normal')plt.plot(x, x*3.0, label='Fast')plt.plot(x, x/3.0, label='Slow')plt.legend()plt.show()

Description : what- camille is provided with the figure shown. it is given that?

Last Answer : symmetric property of congrence

Description : what- bianca is provided with the figure shown. it is given that...?

Last Answer : symmetric property of congruence

Description : what- yuki is provided with the figure shown. it is given that ...?

Last Answer : A+

Description : what- Assaf is provided with the figure shown. it is given that....?

Last Answer : Symmetric Property of Congruence

Description : For the circuit shown in figure given below, the equivalent resistance points A and B is

Last Answer : For the circuit shown in figure given below, the equivalent resistance points A and B is A. `10Omega` B. `5 Omega` C. `(10)/(3)Omega` D. `2Omega`

Description : In the figure shown, a conducting wire PQ of length l=1m, is moved in a uniform magnetic field B=4T with constant velocity v=2m/s towards right. Given

Last Answer : In the figure shown, a conducting wire PQ of length l=1m, is moved in a uniform magnetic field B=4T with ... P_(2) = 32 J//s` D. None of these

Description : In the figure shown, a conducting wire PQ of length l=1m, is moved in a uniform magnetic field B=4T with constant velocity v=2m/s towards right. Given

Last Answer : In the figure shown, a conducting wire PQ of length l=1m, is moved in a uniform magnetic field B=4T with constant ... `16 N` C. `24 N` D. `32 N`

Description : In the figure shown, a conducting wire PQ of length l=1m, is moved in a uniform magnetic field B=4T with constant velocity v=2m/s towards right. Given

Last Answer : In the figure shown, a conducting wire PQ of length l=1m, is moved in a uniform magnetic field B=4T with constant ... `0` B. `2A` C. `4A` D. `6A`

Description : With increase in K2 /K1 in case of a unimolecular type elementary reactions as shown in the bellow figure, the fractional yield of 'R' in mixed reactor (for a given conversion of 'A'). (A) Decreases (B) Increases (C) Increases linearly (D) Remain same

Last Answer : (A) Decreases

Description : The order of the chemical reaction as shown in the bellow figure, whose rate equation is given as -rA = KCA 2 . CB is (A) 0 (B) 1 (C) 2 (D) 3

Last Answer : (D) 3

Description : Decomposition rate of a liquid 'X' which decomposes as per the reaction as shown in the bellow figure is given by: (A) K1 . CX (B) (K1 + K2 + K3 ) CX (C) (K1 + K2 ) CX (D) (K2 + K3 ) CX

Last Answer : (C) (K1 + K2 ) CX

Description : What is the name given to the "picture" of a circuit such as the one shown in figure 3-2?

Last Answer : A schematic diagram.

Description : A child accidentally drops a square ceramic tile. It breaks into smaller pieces as shown in Figure P. To avoid a scolding, she plans to compose a mural of broken pieces to gift to her mother. Which figure out of the given options could she make?

Last Answer :

Description : Top and side views of a photographer's setup for a product shoot are shown in the figure. P is the primary light source, S is the secondary light source, R is the reflector and Q is the camera ... 25% intensity, which one of the given options is the photograph taken using this setup?

Last Answer : D

Description : The difference in the reservoir level and the lowest point of the water mains is 180 m. The  expected pressure due to water hammer is 7.5 kg/cm2  in a pressure conduit of diameter 1 m.  Assuming the efficiency of the ... , is  (A) 10 mm  (B) 15 mm  (C) 20 mm  (D) 25 mm 

Last Answer : (C) 20 mm

Description : The expected out turn of 2.5 cm cement concrete floor per mansion per day (A) 2.5 sqm (B) 5.0 sqm (C) 7.5 sqm (D) 10 sqm

Last Answer : (C) 7.5 sqm

Description : If the maximum spring rise is 2 m and height of the waves expected is 4 m , then the breakwater height above the datum will be (A) 2.5 m (B) 4 m (C) 5 m (D) 7

Last Answer : (D) 7

Description : A kite in the shape of a square with a diagonal 32 cm and an isosceles triangle of base 8 cm and sides 6 cm each is to be made of three different shades as shown in figure. -Maths 9th

Last Answer : Each shade of paper is divided into 3 triangles i.e., I, II, III 8 cm For triangle I: ABCD is a square [Given] ∵ Diagonals of a square are equal and bisect each other. ∴ AC = BD = 32 cm Height of AABD ... are: Area of shade I = 256 cm2 Area of shade II = 256 cm2 and area of shade III = 17.92 cm2

Description : Resistance between points A and B in the circuit shown in figure is a. 4 ohm b. 6ohm c. 10 ohm d. 8 ohm

Last Answer : c. 10 ohm

Description : Pick up the incorrect statement from the following: (A) The activity is the time consuming part of a project (B) The beginning and end of a job, are called events (C) The activity ... maximum time, is called a node (D) Logically and sequentially connected activities and events form a network

Last Answer : (C) The activity which consumes maximum time, is called a node