Choose the most appropriate word from the options given below to complete the following sentence:
Given the seriousness of the situation that he had to face, his ___ was impressive.

**A. ** beggary

**B. ** nomenclature

**C. ** jealousy

**D. ** nonchalance

**Answer : ****Option D**

**Explaination / Solution: **

No Explaination.

No Explaination.

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The data given in the following table summarizes the monthly budget of an average household.

**A. ** 10%

**B. ** 14%

**C. ** 81%

**D. ** 86%

**Answer : ****Option D**

**Explaination / Solution: **

The approximate percentage of the monthly budget NOT spent on savings is

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The output Y of a 2-bit comparator is logic 1 whenever the 2-bit input A is greater than the 2-bit input B. The number of combinations for which the output is logic 1, is

**A. ** 4

**B. ** 6

**C. ** 8

**D. ** 10

**Answer : ****Option B**

**Explaination / Solution: **

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A half-controlled single-phase bridge rectifier is supplying an R-L load. It is operated at a firing angle α and the load current is continuous. The fraction of cycle that the freewheeling diode conducts is

**A. ** 1/2

**B. **

**C. **

**D. **

**Answer : ****Option D**

**Explaination / Solution: **

No Explaination.

No Explaination.

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In the circuit shown below, the current through the inductor is

**A. **

**B. **

**C. **

**D. ** 0 A

**Answer : ****Option C**

**Explaination / Solution: **

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The unilateral Laplace transform of f (t) is . The unilateral Laplace transform of
t f (t)
is

**A. **

**B. **

**C. **

**D. **

**Answer : ****Option D**

**Explaination / Solution: **

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The figure shows a two-generator system supplying a load of P_{D} = 40 MW, connected at bus 2.

**A. **

**B. **

**C. **

**D. **

**Answer : ****Option A**

**Explaination / Solution: **

The fuel cost of generators G1 and G2 are : and the loss in the line is where the loss coefficient is specified in pu on a
100 MVA base. The most economic power generation schedule in MW is

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A 220 V, 15 kW, 1000 rpm shunt motor with armature resistance of 0.25 Ω has a rated line current of 68 A and a rated field current of 2.2 A. The change in field flux required to obtain a speed of 1600 rpm while drawing a line current of 52.8 A and a field current of 1.8 A is

**A. ** 18.18 % increase

**B. ** 18.18 % decrease

**C. ** 36.36 % increase

**D. ** 36.36 % decrease

**Answer : ****Option D**

**Explaination / Solution: **

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In the following figure, C_{1} and C2 are ideal capacitors. C1 has been charged to 12 V before the ideal
switch S is closed at t = 0. The current i(t) for all t is

**A. ** zero

**B. ** a step function

**C. ** an exponentially decaying function

**D. ** an impulse function

**Answer : ****Option D**

**Explaination / Solution: **

Time constant = RC In the given circuit, R = 0 Rise time = 0; hence capacitor charges instantaneously and the current can be represented as impulse function

Time constant = RC In the given circuit, R = 0 Rise time = 0; hence capacitor charges instantaneously and the current can be represented as impulse function

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Two independent random variables X and Y are uniformly distributed in the interval [–1,1]. The probability that max[X, Y] is less than 1/2 is

**A. ** 3/4

**B. ** 9/16

**C. ** 1/4

**D. ** 2/3

**Answer : ****Option B**

**Explaination / Solution: **

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