Description : The turns ratio of device 'B' shown in the illustration is two to one (total). If 220 volts were applied to terminals 'H1' & 'H2', what would be indicated across 'X1' & 'X4' with 'X2' & 'X3' connected and isolated? EL-0082 A. 55 volts B. 110 volts C. 220 volts D. 440 volts
Last Answer : Answer: B
Description : The turns ratio of device 'B' shown in the illustration is two to one (total). If 440 volts were applied to terminals 'H1' & 'H2', what would be indicated across 'X1' & 'X4' with 'X2' & 'X3' connected and isolated? EL-0082 A. 110 volts B. 220 volts C. 880 volts D. 1760 volts
Description : Consider the following LPP: Min. Z = x1+x2+x3 Subject to 3x1 + 4x3 ≤ 5 5x1 + x2 + 6x3 =7 8x1 + 9x3 ≥ 2 x1, x2, x3 ≥ 0 The standard form of this LPP shall be: (1) Min. Z = x1 + x2 + x3 + 0x4 + 0x5 Subject ... + 4x3 + x4 = 5; 5x1 + x2 + 6x3 + x6 = 7; 8x1 + 9x3 - x5 + x7 = 2; x1 to x7 ≥ 0
Last Answer : Answer: 1
Description : The total current density is given as 0.5i + j – 1.5k units. Find the curl of the magnetic field intensity. a) 0.5i – 0.5j + 0.5k b) 0.5i + j -1.5k c) i – j + k d) i + j – k
Last Answer : b) 0.5i + j -1.5k
Description : Find the vector that should be added to the sum of (2i - 5j + 3k) and (4i + 7j - 4k) to give a unit vector along the X-axis.
Last Answer : Find the vector that should be added to the sum of (2i - 5j + 3k) and (4i + 7j - 4k) to give a unit vector along the X-axis.
Description : In under damped vibrating system, if x1 and x2 are the successive values of the amplitude on the same side of the mean position, then the logarithmic decrement is equal to a) x1/x2 b) log (x1/x2) c) ln (x1/x2) d) log (x1.x2)
Last Answer : c) ln (x1/x2)
Description : Determine vectors a × b, given a = 2i + 3j and b = 3i + 5j.
Last Answer : Determine vectors a × b, given a = 2i + 3j and b = 3i + 5j.
Description : Show that vectors a = 2i + 5j - 6k and b = i + 5/2 j - 3k are parallel.
Last Answer : Show that vectors a = 2i + 5j - 6k and b = i + 5/2 j - 3k are parallel.
Description : The molar excess Gibbs free energy, gE, for a binary liquid mixture at T and P is given by, (gE/RT) = A . x1. x2, where A is a constant. The corresponding equation for ln y1, where y1is the activity co-efficient of component 1, is (A) A . x22 (B) Ax1 (C) Ax2 (D) Ax12
Last Answer : (A) A . x22
Description : Consider the two class classification task that consists of the following points: Class C1: [1 1.5] [1 -1.5] Class C2: [-2 2.5] [-2 -2.5] The decision boundary between the two classes using single perceptron is given by: (A) x1+x2+1.5=0 (B) x1+x2-1.5=0 (C) x1+1.5=0 (D) x1-1.5=0
Last Answer : (C) x1+1.5=0
Description : The turns ratio of transforme 'A' shown in the illustration is four to one and all taps are evenly spaced. If 110 volts were applied to terminals 'X1' and 'X3', what would be indicated across 'H1' and 'H2'? EL-0082 A. 37.5 volts B. 55 volts C. 220 volts D. 440 volts
Last Answer : Answer: C
Description : The turns ratio of device 'A' shown in the illustration is four to one and all taps are evenly spaced. If 110 volts were applied to terminals 'X1' and 'X3', what would be indicated across 'H1' and 'H2'? EL-0082 A. 37.5 volts B. 55 volts C. 220 volts D. 440 volts
Description : Big - O estimate for f(x) = (x + 1) log(x2 + 1) + 3x2 is given as (A) O(xlogx) (B) O(x2) (C) O(x3) (D) O(x2logx)
Last Answer : (B) O(x2)
Description : What is the value of prime number x? I. X2 + x is a two digit number greater than 50 II. X3 is a three digit number. If the question can be answered with the help of statement I ... both the statements. If the data in either statement I or statement II alone is sufficient to answer the question
Last Answer : Answer : a
Description : Center point of circle a.[x1+x2]/2; [y1+y2]/2; [z1+z2]/2 b.[x1-x2]/2; [y1-y2]/2; [z1-z2]/2 c.[x1-x2]; [y1-y2]; [z1-z2] d.[x2-x1]; [y2-y1]; [z2-z1]
Last Answer : a.[x1+x2]/2; [y1+y2]/2; [z1+z2]/2
Description : Let x be the mean of x1, x2,….,xn and y be the mean of y1, y2, ……,yn the mean of z is x1, x2,….,xn , y1, y2, ……,yn then z is equal to -Maths 9th
Last Answer : NEED ANSWER
Last Answer : According to question find the value of z
Description : The turns ratio of transformer 'A' shown in the illustration is four to one and all taps are evenly spaced. If 120 volts were applied to terminals 'H1' and 'H3', what would appear at 'X1' and 'X2'? EL-0082 A. 15 volts B. 30 volts C. 480 volts D. 960 volts
Last Answer : Answer: A
Description : The turns ratio of device 'B' shown in the illustration is two to one (total). If 110 volts were applied to terminals 'X1,3' and 'X2,4', what would be indicated across 'H1' and 'H2'? EL-0082 A. 27.5 volts B. 55 volts C. 220 volts D. 440 volts
Last Answer : Answer: D
Description : The turns ratio of device 'B' shown in the illustration is two to one (total). If 440 volts were applied to terminals 'H1' and 'H2', what would be indicated across 'X1,3' and 'X2,4'? EL-0082 A. 55 volts B. 110 volts C. 220 volts D. 880 volts
Description : The turns ratio of device 'A' shown in the illustration is four to one and all taps are evenly spaced. If 120 volts were applied to terminals 'H1' and 'H3', what would appear at 'X1' and 'X2'? EL-0082 A. 15 volts B. 30 volts C. 480 volts D. 960 volts
Description : The turns ratio of device 'A' shown in the illustration is four to one and all the taps are equally spaced. If 120 volts were applied between 'X1' and 'X2', what would be indicated across 'H1' and 'H4'? EL-0082 A. 30 volts B. 120 volts C. 480 volts D. 1440 volts
Description : A set of values X1,X2……..Xn which satisfies the constraints of the LPP is called_______ a. Solution b. Variable c. Linearity d. None of the above
Last Answer : a. Solution
Description : A fuzzy set A on R is ................. iff A(λx1 + (1 – λ)x2) ≥ min [A(x1), A(x2)] for all x1, x2 ∈ R and all λ ∈ [0, 1], where min denotes the minimum operator. (A) Support (B) α-cut (C) Convex (D) Concave
Last Answer : (C) Convex
Description : An artificial neurons receives n inputs x1, x2,...,xn with weights w1,w2,...,wn attached to the input links. The weighted sum ............... is computed to be passed on to a non-linear filter ϕ called activation function to release the output. (A) Σ wi (B) Σ xi (C) Σ wi + Σ xi (D) Σ wi . Σ xi
Last Answer : (D) Σ wi . Σ xi
Description : A perceptron has input weights W1 = -3.9 and W2 = 1.1 with threshold value T = 0.3. What output does it give for the input x1 = 1.3 and x2 = 2.2? (A) -2.65 (B) -2.30 (B) 0 (D) 1
Description : Let x1(t) and x2(t) be periodic with fundamental periods T1 and T2 respectively. Under what condition be the sum x(t) = x1(t) + x2(t) be periodic ? (A) Only for T1 = T2 (B) Always periodic (C) For T1/T2 equal to a rational number (D) Not periodic
Last Answer : Let x1(t) and x2(t) be periodic with fundamental periods T1 and T2 respectively. Under what condition be the sum x(t) = x1(t) + x2(t) be periodic ? (A) Only for T1 = T2 (B) Always periodic (C) For T1/T2 equal to a rational number (D) Not periodic
Description : Check whether the following are quadratic equations: (i) (x+ 1)2=2(x-3) (ii) x - 2x = (- 2) (3-x) (iii) (x - 2) (x + 1) = (x - 1) (x + 3) (iv) (x - 3) (2x + 1) = x (x + 5) (v) (2x - 1) (x - 3) = (x ... vi) x2 + 3x + 1 = (x - 2)2 (vii) (x + 2)3 = 2x(x2 - 1) (viii) x3 -4x2 -x + 1 = (x-2)3 -Maths 10th
Last Answer : this is the correct answer!
Description : Determine which of the following polynomials has (x + 1) a factor: (i) x3+x2+x+1 -Maths 9th
Last Answer : Solution: Let p(x) = x3+x2+x+1 The zero of x+1 is -1. [x+1 = 0 means x = -1] p(−1) = (−1)3+(−1)2+(−1)+1 = −1+1−1+1 = 0 ∴By factor theorem, x+1 is a factor of x3+x2+x+1
Description : Show that, x + 3 is a factor of 69 + 11c – x2 + x3 -Maths 9th
Last Answer : This answer was deleted by our moderators...
Description : Using factor theorem, factorise the polynomial x3 + x2 - 4x - 4. -Maths 9th
Last Answer : Solution :-
Description : If x2 + 1/x2 = 34, find x3 + 1/x3 - 9. -Maths 9th
Description : Find the value of x3 + y3 + z3 – 3xyz if x2 + y2 + z2 = 83 and x + y + z = 15 -Maths 9th
Last Answer : Consider the equation x + y + z = 15 From algebraic identities, we know that (a + b + c)2 = a2 + b2 + c2 + 2(ab + bc + ca) So, (x + y + z)2 = x2 + y2 + z2 + 2(xy + yz + xz) From the question, x2 + y2 + z2 ... y3 + z3 - 3xyz = 15(83 - 71) => x3 + y3 + z3 - 3xyz = 15 12 Or, x3 + y3 + z3 - 3xyz = 180
Description : The standard equation of a cubical spiral transition curve provided on roads, is (A) y = l²/6RL (B) y = x3 /6RL (C) y = x2 /6RL (D) y = x/6RL
Last Answer : Answer: Option B
Description : The initial velocity of an object is vector u = 5i + 10j m/s. Its constant acceleration is vector a = 2i + 3j m/s^2.
Last Answer : The initial velocity of an object is vector u = 5i + 10j m/s. Its constant acceleration is ... Determine the velocity and the displacement after 5 s.
Description : Given v1 = 5i + 2j and v2 = ai - 6j are perpendicular to each other, determine the value of a.
Last Answer : Given v1 = 5i + 2j and v2 = ai - 6j are perpendicular to each other, determine the value of a.
Description : A couple consists of a force P acting at a point A whose coordinates are (-1,2,4) m and force - F acting at a point whose coordinates are (2,3, -2)m. If F = 3i + 2j - 4k in kg units the moment of the couple in kg - m ... .8i - 6j - 3k b.12i - 3j + k c.16i - 12j - 6k d.4i - 3j + k e.8i + 5j + 3k
Last Answer : a. 8i - 6j - 3k
Description : The coordinates of the focus of the parabola described parametrically by `x=5t^2+2.y=10t+4` are
Last Answer : The coordinates of the focus of the parabola described parametrically by `x=5t^2+2.y=10t+4` are A. (7,4) B. (3,4) C. (3,-4) D. (-7,4)
Description : 1. The term ‘Taxonomy’ was coined by
Last Answer : Multiple choice Questions: 1. The term Taxonomy' was coined by (A) Carl Linnaeus (B) A.P. de ... (B) species (C) kingdom (D) family
Description : Accuracy of measurement is determined by
Last Answer : Accuracy of measurement is determined by (A) absolute error (B) percentage error (C) human error (D) personal error
Description : A circular coil of `20turns` and radius `10cm` carries a current of `5A`. It is placed in a uniform magnetic field of `0*10T`. Find the torque acting
Last Answer : A circular coil of `20turns` and radius `10cm` carries a current of `5A`. It is placed in a uniform magnetic ... Nm B. 3.14 Nm C. 0.314 Nm D. zero
Description : If A = 5i + 6j + 4k and B = 2i - 2j + 3k determine the angle between A and B.
Last Answer : If A = 5i + 6j + 4k and B = 2i - 2j + 3k determine the angle between A and B.
Description : For a channel section, the shear centre lies at a distance of (A) dbt/2I (B) d²bt/3I (C) d²b²t/4I (D) db²t/5I
Last Answer : (C) d²b²t/4I
Description : If vectors P = 2i + 3j - k and Q = 2i - 5j + 2k. Find i. P + Q ii. 3P - 2Q
Last Answer : If vectors \(\overset\rightarrow{P}\) = 2i + 3j - k and \(\overset\rightarrow{Q}\) = 2i - ... \overset\rightarrow{P}\) - 2\(\overset\rightarrow{Q}\)
Description : Find unit vector parallel to the resultant of the vectors A = i + 4j - 2k and B = 3i - 5j + k.
Last Answer : Find unit vector parallel to the resultant of the vectors \(\overset\rightarrow{A}\) = i + 4j - 2k and \(\overset\rightarrow{B}\) = 3i - 5j + k.
Description : For v1 = 2i - 3j and v2 = -6i + 5j, determine the magnitude and direction of v1 + v2.
Last Answer : For v1 = 2i - 3j and v2 = -6i + 5j, determine the magnitude and direction of v1 + v2.
Description : For what value of m is x3 -2mx2 +16 divisible by x + 2 ? -Maths 9th
Last Answer : Let p(x) = x3 -2mx2 +16 Since, p(x) is divisible by (x+2), then remainder = 0 P(-2) = 0 ⇒ (-2)3 -2m(-2)2 + 16=0 ⇒ -8-8m+16=0 ⇒ 8 = 8 m m = 1 Hence, the value of m is 1 .
Description : Out of curiosity ... enough reg says that you can get a point again soon, but when?
Last Answer : answer: